H04L1/00	7	Arrangements for detecting or preventing errors in the information received {(correcting synchronisation H04L7/00)}	H04L1/00	H04L1/00		5771
H04L1/0001	8	{Systems modifying transmission characteristics according to link quality, e.g. power backoff (adaptive data allocation for multicarrier modulation H04L5/0044; controlling transmission power for radio systems H04W52/04)}	H04L1/00	H04L1/00		1618
H04L1/0002	9	{by adapting the transmission rate}	H04L1/00	H04L1/00		2840
H04L1/0003	10	{by switching between different modulation schemes}	H04L1/00	H04L1/00		6888
H04L1/0004	11	{applied to control information}	H04L1/00	H04L1/00		427
H04L1/0005	11	{applied to payload information}	H04L1/00	H04L1/00		272
H04L1/0006	9	{by adapting the transmission format}	H04L1/00	H04L1/00		1696
H04L1/0007	10	{by modifying the frame length}	H04L1/00	H04L1/00		1730
H04L1/0008	11	{by supplementing frame payload, e.g. with padding bits}	H04L1/00	H04L1/00		554
H04L1/0009	9	{by adapting the channel coding (H04L1/1812 takes precedence)}	H04L1/00	H04L1/00		6591
H04L1/001	10	{applied to control information}	H04L1/00	H04L1/00		450
H04L1/0011	10	{applied to payload information}	H04L1/00	H04L1/00		280
H04L1/0013	10	{Rate matching, e.g. puncturing or repetition of code symbols}	H04L1/00	H04L1/00		1131
H04L1/0014	9	{by adapting the source coding}	H04L1/00	H04L1/00		1028
H04L1/0015	9	{characterised by the adaptation strategy}	H04L1/00	H04L1/00		1858
H04L1/0016	10	{involving special memory structures, e.g. look-up tables}	H04L1/00	H04L1/00		885
H04L1/0017	10	{where the mode-switching is based on Quality of Service requirement}	H04L1/00	H04L1/00		775
H04L1/0018	11	{based on latency requirement}	H04L1/00	H04L1/00		569
H04L1/0019	10	{in which mode-switching is based on a statistical approach}	H04L1/00	H04L1/00		359
H04L1/002	11	{Algorithms with memory of the previous states, e.g. Markovian models}	H04L1/00	H04L1/00		91
H04L1/0021	11	{in which the algorithm uses adaptive thresholds}	H04L1/00	H04L1/00		349
H04L1/0022	10	{in which mode-switching is influenced by the user}	H04L1/00	H04L1/00		114
H04L1/0023	9	{characterised by the signalling}	H04L1/00	H04L1/00		1132
H04L1/0025	10	{Transmission of mode-switching indication}	H04L1/00	H04L1/00		2673
H04L1/0026	10	{Transmission of channel quality indication}	H04L1/00	H04L1/00		7110
H04L1/0027	10	{Scheduling of signalling, e.g. occurrence thereof}	H04L1/00	H04L1/00		1675
H04L1/0028	10	{Formatting}	H04L1/00	H04L1/00		809
H04L1/0029	11	{Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling (power control H04W52/04)}	H04L1/00	H04L1/00		823
H04L1/003	11	{Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits}	H04L1/00	H04L1/00		443
H04L1/0031	11	{Multiple signaling transmission (H04L1/1664, F15 take precedence)}	H04L1/00	H04L1/00		862
H04L1/0032	10	{Without explicit signalling}	H04L1/00	H04L1/00		178
H04L1/0033	9	{arrangements specific to the transmitter}	H04L1/00	H04L1/00		806
H04L1/0034	10	{where the transmitter decides based on inferences, e.g. use of implicit signalling}	H04L1/00	H04L1/00		242
H04L1/0035	10	{evaluation of received explicit signalling}	H04L1/00	H04L1/00		222
H04L1/0036	9	{arrangements specific to the receiver}	H04L1/00	H04L1/00		1094
H04L1/0038	10	{Blind format detection (for detection of modulation format H04L27/0012)}	H04L1/00	H04L1/00		1390
H04L1/0039	10	{other detection of signalling, e.g. detection of TFCI explicit signalling (H04L1/0046, H04L27/0012 and H04L25/0262 take precedence)}	H04L1/00	H04L1/00		299
H04L1/004	8	{by using forward error control (H04L1/0618 takes precedence; coding, decoding or code conversion, for error detection or correction H03M13/00)}	H04L1/00	H04L1/00		2713
H04L1/0041	9	{Arrangements at the transmitter end}	H04L1/00	H04L1/00		5346
H04L1/0042	10	{Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape (H04L1/0067 takes precedence)}	H04L1/00	H04L1/00		1172
H04L1/0043	10	{Realisations of complexity reduction techniques, e.g. use of look-up tables}	H04L1/00	H04L1/00		438
H04L1/0044	11	{specially adapted for power saving}	H04L1/00	H04L1/00		79
H04L1/0045	9	{Arrangements at the receiver end}	H04L1/00	H04L1/00		4591
H04L1/0046	10	{Code rate detection or code type detection (H04L1/0038 takes precedence; detection of the data rate H04L25/0262; for packet format H04L1/0091)}	H04L1/00	H04L1/00		752
H04L1/0047	10	{Decoding adapted to other signal detection operation (in conjunction with sequence estimation or equalization H04L25/03286)}	H04L1/00	H04L1/00		1202
H04L1/0048	11	{in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder (for spatial equalizer H04L25/03286)}	H04L1/00	H04L1/00		745
H04L1/005	11	{Iterative decoding, including iteration between signal detection and decoding operation}	H04L1/00	H04L1/00		1728
H04L1/0051	12	{Stopping criteria}	H04L1/00	H04L1/00		230
H04L1/0052	10	{Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables}	H04L1/00	H04L1/00		1041
H04L1/0053	11	{specially adapted for power saving}	H04L1/00	H04L1/00		319
H04L1/0054	10	{Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms}	H04L1/00	H04L1/00		2233
H04L1/0055	10	{MAP-decoding}	H04L1/00	H04L1/00		301
H04L1/0056	9	{Systems characterized by the type of code used (H04L1/08 takes precedence)}	H04L1/00	H04L1/00		796
H04L1/0057	10	{Block codes (H04L1/0061, H04L1/0064 take precedence)}	H04L1/00	H04L1/00		6601
H04L1/0058	11	{Block-coded modulation}	H04L1/00	H04L1/00		807
H04L1/0059	10	{Convolutional codes}	H04L1/00	H04L1/00		1469
H04L1/006	11	{Trellis-coded modulation}	H04L1/00	H04L1/00		742
H04L1/0061	10	{Error detection codes}	H04L1/00	H04L1/00		6807
H04L1/0063	11	{Single parity check}	H04L1/00	H04L1/00		662
H04L1/0064	10	{Concatenated codes}	H04L1/00	H04L1/00		290
H04L1/0065	11	{Serial concatenated codes}	H04L1/00	H04L1/00		1237
H04L1/0066	11	{Parallel concatenated codes}	H04L1/00	H04L1/00		1152
H04L1/0067	10	{Rate matching (H04L1/0013 and H04L1/08 take precedence)}	H04L1/00	H04L1/00		993
H04L1/0068	11	{by puncturing}	H04L1/00	H04L1/00		1452
H04L1/0069	12	{Puncturing patterns}	H04L1/00	H04L1/00		542
H04L1/007	10	{Unequal error protection (for format H04L1/0078; for codes per seH03M13/35)}	H04L1/00	H04L1/00		1098
H04L1/0071	10	{Use of interleaving (interleaving per seH03M13/27)}	H04L1/00	H04L1/00		5425
H04L1/0072	9	{Error control for data other than payload data, e.g. control data}	H04L1/00	H04L1/00		1916
H04L1/0073	10	{Special arrangements for feedback channel}	H04L1/00	H04L1/00		608
H04L1/0075	9	{Transmission of coding parameters to receiver (H04L1/0023 takes precedence)}	H04L1/00	H04L1/00		792
H04L1/0076	9	{Distributed coding, e.g. network coding, involving channel coding (coding in both space and time H04L1/0618; cooperative diversity H04B7/022)}	H04L1/00	H04L1/00		690
H04L1/0077	10	{Cooperative coding}	H04L1/00	H04L1/00		239
H04L1/0078	8	{Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location (forward error control, e.g. FEC, CRC H04L1/004; adaptive formatting H04L1/0006; mappings H04L27/00)}	H04L1/00	H04L1/00		560
H04L1/0079	9	{Formats for control data (H04L1/16 takes precedence; training sequences H04L25/00 and H04L27/00)}	H04L1/00	H04L1/00		685
H04L1/008	10	{where the control data relates to payload of a different packet}	H04L1/00	H04L1/00		152
H04L1/0081	10	{Formats specially adapted to avoid errors in the feedback channel (H04L1/1607 takes precedence)}	H04L1/00	H04L1/00		80
H04L1/0082	10	{fields explicitly indicating existence of error in data being transmitted, e.g. so that downstream stations can avoid decoding erroneous packet; relays}	H04L1/00	H04L1/00		181
H04L1/0083	9	{Formatting with frames or packets; Protocol or part of protocol for error control}	H04L1/00	H04L1/00		2005
H04L1/0084	9	{Formats for payload data}	H04L1/00	H04L1/00		252
H04L1/0085	9	{Formatting with cells}	H04L1/00	H04L1/00		37
H04L1/0086	9	{Unequal error protection (H04L27/00 and H04L1/004 take precedence for layer 1/2 aspects, e.g. bit loading)}	H04L1/00	H04L1/00		175
H04L1/0088	10	{in control part}	H04L1/00	H04L1/00		56
H04L1/0089	10	{in payload}	H04L1/00	H04L1/00		45
H04L1/009	9	{arrangements specific to transmitters}	H04L1/00	H04L1/00		234
H04L1/0091	9	{arrangements specific to receivers, e.g. format detection (detection of data rate H04L25/0262; detection of coding rate H04L1/0046)}	H04L1/00	H04L1/00		291
H04L2001/0092	8	{Error control systems characterised by the topology of the transmission link}	H04L1/00	H04L1/00		838
H04L2001/0093	9	{Point-to-multipoint}	H04L1/00	H04L1/00		2467
H04L2001/0094	9	{Bus}	H04L1/00	H04L1/00		343
H04L2001/0095	9	{Ring}	H04L1/00	H04L1/00		50
H04L2001/0096	9	{Channel splitting in point-to-point links}	H04L1/00	H04L1/00		493
H04L2001/0097	9	{Relays}	H04L1/00	H04L1/00		1670
H04L2001/0098	8	{Unequal error protection}	H04L1/00	H04L1/00		483
H04L1/02	8	by diversity reception	H04L1/02	H04L1/02		694
H04L1/04	9	using frequency diversity	H04L1/04	H04L1/04		568
H04L1/06	9	using space diversity	H04L1/06	H04L1/06		2495
H04L1/0606	10	{Space-frequency coding}	H04L1/06	H04L1/06		355
H04L1/0612	10	{Space-time modulation}	H04L1/06	H04L1/06		112
H04L1/0618	10	{Space-time coding}	H04L1/06	H04L1/06		975
H04L1/0625	11	{Transmitter arrangements}	H04L1/06	H04L1/06		574
H04L1/0631	11	{Receiver arrangements}	H04L1/06	H04L1/06		506
H04L1/0637	11	{Properties of the code}	H04L1/06	H04L1/06		78
H04L1/0643	12	{block codes}	H04L1/06	H04L1/06		436
H04L1/065	12	{by means of convolutional encoding}	H04L1/06	H04L1/06		65
H04L1/0656	12	{Cyclotomic systems, e.g. Bell Labs Layered Space-Time [BLAST]}	H04L1/06	H04L1/06		211
H04L1/0662	12	{Limited orthogonality systems}	H04L1/06	H04L1/06		43
H04L1/0668	12	{Orthogonal systems, e.g. using Alamouti codes}	H04L1/06	H04L1/06		415
H04L1/0675	11	{characterised by the signaling}	H04L1/06	H04L1/06		175
H04L1/0681	12	{adapting space time parameters, i.e. modifying the space time matrix}	H04L1/06	H04L1/06		70
H04L1/0687	12	{Full feedback}	H04L1/06	H04L1/06		54
H04L1/0693	12	{Partial feedback, e.g. partial channel state information [CSI]}	H04L1/06	H04L1/06		282
H04L1/08	8	by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)}	H04L1/08	H04L1/08		6792
H04L1/12	8	by using return channel	H04L1/12	H04L1/12		304
H04L2001/125	9	{Arrangements for preventing errors in the return channel}	H04L1/12	H04L1/12		425
H04L1/14	9	in which the signals are sent back to the transmitter to be checked {; echo systems}	H04L1/14	H04L1/14		277
H04L1/16	9	in which the return channel carries supervisory signals, e.g. repetition request signals	H04L1/16	H04L1/16		2517
H04L1/1607	10	Details of the supervisory signal	H04L1/1607	H04L1/1607		4280
H04L1/1614	11	{using bitmaps}	H04L1/1607	H04L1/16		2077
H04L1/1621	11	{Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers}	H04L1/1607	H04L1/16		798
H04L1/1628	11	{List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers, e.g. of sequence numbers (H04L1/1614 takes precedence)}	H04L1/1607	H04L1/16		499
H04L1/1635	11	{Cumulative acknowledgement, i.e. the acknowledgement message applying to all previous messages}	H04L1/1607	H04L1/16		399
H04L1/1642	11	{Formats specially adapted for sequence numbers}	H04L1/1607	H04L1/16		668
H04L1/165	12	{Variable formats}	H04L1/1607	H04L1/16		69
H04L1/1657	11	{Implicit acknowledgement of correct or incorrect reception, e.g. with a moving window}	H04L1/1607	H04L1/16		358
H04L1/1664	11	{the supervisory signal being transmitted together with payload signals; piggybacking}	H04L1/1607	H04L1/16		899
H04L1/1671	11	{the supervisory signal being transmitted together with control information}	H04L1/1607	H04L1/16		3296
H04L1/1678	12	{where the control information is for timing, e.g. time stamps}	H04L1/1607	H04L1/16		324
H04L1/1685	11	{the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal}	H04L1/1607	H04L1/16		1418
H04L1/1692	11	{Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts}	H04L1/1607	H04L1/16		382
H04L1/18	10	Automatic repetition systems, e.g. Van Duuren systems	H04L1/18	H04L1/18		4251
H04L1/1803	11	Stop-and-wait protocols	H04L1/1803	H04L1/1803		295
H04L1/1806	11	Go-back-N protocols	H04L1/1806	H04L1/1806		464
H04L1/1809	11	Selective-repeat protocols	H04L1/1809	H04L1/1809		1273
H04L1/1812	11	Hybrid protocols; Hybrid automatic repeat request&#160;[HARQ]	H04L1/1812	H04L1/1812		10642
H04L1/1816	12	{with retransmission of the same, encoded, message}	H04L1/1812	H04L1/18		735
H04L1/1819	12	{with retransmission of additional or different redundancy}	H04L1/1812	H04L1/18		3431
H04L1/1822	11	involving configuration of automatic repeat request [ARQ] with parallel processes	H04L1/1822	H04L1/1822		2930
H04L1/1825	11	Adaptation of specific ARQ protocol parameters according to transmission conditions	H04L1/1825	H04L1/1825		1564
H04L1/1829	11	Arrangements specially adapted for the receiver end	H04L1/1829	H04L1/1829		1210
H04L1/1832	12	{Details of sliding window management}	H04L1/1829	H04L1/18		362
H04L1/1835	12	{Buffer management}	H04L1/1829	H04L1/18		1182
H04L1/1838	13	{for semi-reliable protocols, e.g. for less sensitive applications such as streaming video (buffer level management for video bitstream receiver H04N21/44004)}	H04L1/1829	H04L1/18		270
H04L1/1841	13	{Resequencing}	H04L1/1829	H04L1/18		516
H04L1/1845	13	{Combining techniques, e.g. code combining}	H04L1/1829	H04L1/18		1031
H04L1/1848	12	{Time-out mechanisms}	H04L1/1829	H04L1/18		1218
H04L1/1851	13	{using multiple timers}	H04L1/1829	H04L1/18		289
H04L1/1854	12	{Scheduling and prioritising arrangements}	H04L1/1829	H04L1/18		5735
H04L1/1858	12	{Transmission or retransmission of more than one copy of acknowledgement message}	H04L1/1829	H04L1/18		1044
H04L1/1861	12	{Physical mapping arrangements (for ACK signaling see also H04L5/0053)}	H04L1/1829	H04L1/18		4737
H04L1/1864	12	{ARQ related signaling (H04L1/1607 takes precedence)}	H04L1/1829	H04L1/18		3238
H04L1/1867	11	Arrangements specially adapted for the transmitter end	H04L1/1867	H04L1/1867		1708
H04L1/187	12	{Details of sliding window management}	H04L1/1867	H04L1/18		502
H04L1/1874	12	{Buffer management}	H04L1/1867	H04L1/18		1269
H04L1/1877	13	{for semi-reliable protocols, e.g. for less sensitive applications like streaming video (buffer level management for video bitstream control arrangements H04N21/44004)}	H04L1/1867	H04L1/18		422
H04L1/188	12	{Time-out mechanisms}	H04L1/1867	H04L1/18		1834
H04L1/1883	13	{using multiple timers}	H04L1/1867	H04L1/18		310
H04L1/1887	12	{Scheduling and prioritising arrangements}	H04L1/1867	H04L1/18		4740
H04L1/189	12	{Transmission or retransmission of more than one copy of a message}	H04L1/1867	H04L1/18		1873
H04L1/1893	12	{Physical mapping arrangements (physical resource mapping in general H04L5/00)}	H04L1/1867	H04L1/18		2028
H04L1/1896	12	{ARQ related signaling}	H04L1/1867	H04L1/18		4887
H04L1/20	8	using signal quality detector	H04L1/20	H04L1/20		3257
H04L1/201	9	{Frame classification, e.g. bad, good or erased (frame indication per seH04L1/0082)}	H04L1/20	H04L1/20		259
H04L1/203	9	{Details of error rate determination, e.g. BER, FER or WER}	H04L1/20	H04L1/20		1640
H04L1/205	9	{jitter monitoring}	H04L1/20	H04L1/20		568
H04L1/206	9	{for modulated signals}	H04L1/20	H04L1/20		554
H04L1/208	9	{involving signal re-encoding}	H04L1/20	H04L1/20		160
H04L1/22	8	using redundant apparatus to increase reliability	H04L1/22	H04L1/22		3029
H04L1/24	8	Testing correct operation	H04L1/24	H04L1/24		1351
H04L1/241	9	{using pseudo-errors}	H04L1/24	H04L1/24		175
H04L1/242	9	{by comparing a transmitted test signal with a locally generated replica}	H04L1/24	H04L1/24		414
H04L1/243	10	{at the transmitter, using a loop-back}	H04L1/24	H04L1/24		461
H04L1/244	10	{test sequence generators}	H04L1/24	H04L1/24		246
H04L1/245	9	{by using the properties of transmission codes}	H04L1/24	H04L1/24		102
H04L1/246	10	{two-level transmission codes, e.g. binary}	H04L1/24	H04L1/24		162
H04L1/247	10	{three-level transmission codes, e.g. ternary}	H04L1/24	H04L1/24		96
H04L1/248	9	{Distortion measuring systems (measurement of non-linear distortion G01R23/20; measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time, duration G01R29/02)}	H04L1/24	H04L1/24		367
H04L5/00	7	Arrangements affording multiple use of the transmission path	H04L5/00	H04L5/00		8465
H04L5/0001	8	{Arrangements for dividing the transmission path (two-way operation using the same type of signal, i.e. duplex H04L5/14)}	H04L5/00	H04L5/00		288
H04L5/0003	9	{Two-dimensional division}	H04L5/00	H04L5/00		122
H04L5/0005	10	{Time-frequency}	H04L5/00	H04L5/00		2152
H04L5/0007	11	{the frequencies being orthogonal, e.g. OFDM(A) or DMT}	H04L5/00	H04L5/00		13250
H04L5/0008	12	{Wavelet-division}	H04L5/00	H04L5/00		302
H04L5/001	12	{the frequencies being arranged in component carriers}	H04L5/00	H04L5/00		13580
H04L5/0012	12	{Hopping in multicarrier systems}	H04L5/00	H04L5/00		1595
H04L5/0014	9	{Three-dimensional division}	H04L5/00	H04L5/00		153
H04L5/0016	10	{Time-frequency-code}	H04L5/00	H04L5/00		1378
H04L5/0017	11	{in which a distinct code is applied, as a temporal sequence, to each frequency}	H04L5/00	H04L5/00		87
H04L5/0019	11	{in which one code is applied, as a temporal sequence, to all frequencies}	H04L5/00	H04L5/00		89
H04L5/0021	11	{in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA}	H04L5/00	H04L5/00		366
H04L5/0023	10	{Time-frequency-space}	H04L5/00	H04L5/00		10381
H04L5/0025	11	{Spatial division following the spatial signature of the channel}	H04L5/00	H04L5/00		288
H04L5/0026	9	{Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]}	H04L5/00	H04L5/00		908
H04L5/0028	9	{Variable division (indication of the divided channel H04L5/0092)}	H04L5/00	H04L5/00		390
H04L5/003	8	{Arrangements for allocating sub-channels of the transmission path}	H04L5/00	H04L5/00		2002
H04L5/0032	9	{Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation}	H04L5/00	H04L5/00		1706
H04L5/0033	10	{each allocating device acting autonomously, i.e. without negotiation with other allocating devices}	H04L5/00	H04L5/00		426
H04L5/0035	10	{Resource allocation in a cooperative multipoint environment}	H04L5/00	H04L5/00		4144
H04L5/0037	9	{Inter-user or inter-terminal allocation}	H04L5/00	H04L5/00		3088
H04L5/0039	10	{Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another}	H04L5/00	H04L5/00		662
H04L5/0041	10	{Frequency-non-contiguous}	H04L5/00	H04L5/00		681
H04L5/0042	9	{Intra-user or intra-terminal allocation}	H04L5/00	H04L5/00		793
H04L5/0044	9	{Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH}	H04L5/00	H04L5/00		10328
H04L5/0046	10	{Determination of the number of bits transmitted on different sub-channels}	H04L5/00	H04L5/00		1359
H04L5/0048	9	{Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)}	H04L5/00	H04L5/00		26163
H04L5/005	10	{of common pilots, i.e. pilots destined for multiple users or terminals}	H04L5/00	H04L5/00		4953
H04L5/0051	10	{of dedicated pilots, i.e. pilots destined for a single user or terminal}	H04L5/00	H04L5/00		11387
H04L5/0053	9	{Allocation of signalling, i.e. of overhead other than pilot signals}	H04L5/00	H04L5/00		28319
H04L5/0055	10	{Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}	H04L5/00	H04L5/00		10669
H04L5/0057	10	{Physical resource allocation for CQI}	H04L5/00	H04L5/00		5038
H04L5/0058	9	{Allocation criteria}	H04L5/00	H04L5/00		1326
H04L5/006	10	{Quality of the received signal, e.g. BER, SNR, water filling}	H04L5/00	H04L5/00		3067
H04L5/0062	10	{Avoidance of ingress interference, e.g. ham radio channels}	H04L5/00	H04L5/00		1236
H04L5/0064	10	{Rate requirement of the data, e.g. scalable bandwidth, data priority}	H04L5/00	H04L5/00		3246
H04L5/0066	10	{Requirements on out-of-channel emissions}	H04L5/00	H04L5/00		268
H04L5/0067	10	{Allocation algorithms which involve graph matching}	H04L5/00	H04L5/00		59
H04L5/0069	10	{Allocation based on distance or geographical location}	H04L5/00	H04L5/00		527
H04L5/0071	10	{Allocation based on fairness other than the proportional kind}	H04L5/00	H04L5/00		93
H04L5/0073	10	{Allocation arrangements that take into account other cell interferences}	H04L5/00	H04L5/00		2535
H04L5/0075	10	{Allocation using proportional fairness}	H04L5/00	H04L5/00		101
H04L5/0076	10	{Allocation utility-based}	H04L5/00	H04L5/00		159
H04L5/0078	9	{Timing of allocation}	H04L5/00	H04L5/00		1874
H04L5/008	10	{once only, on installation}	H04L5/00	H04L5/00		152
H04L5/0082	10	{at predetermined intervals}	H04L5/00	H04L5/00		1639
H04L5/0083	11	{symbol-by-symbol}	H04L5/00	H04L5/00		264
H04L5/0085	10	{when channel conditions change}	H04L5/00	H04L5/00		533
H04L5/0087	10	{when data requirements change}	H04L5/00	H04L5/00		471
H04L5/0089	11	{due to addition or removal of users or terminals}	H04L5/00	H04L5/00		86
H04L5/0091	8	{Signalling for the administration of the divided path, e.g. signalling of configuration information}	H04L5/00	H04L5/00		6302
H04L5/0092	9	{Indication of how the channel is divided}	H04L5/00	H04L5/00		3935
H04L5/0094	9	{Indication of how sub-channels of the path are allocated}	H04L5/00	H04L5/00		15061
H04L5/0096	9	{Indication of changes in allocation}	H04L5/00	H04L5/00		1427
H04L5/0098	10	{Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands}	H04L5/00	H04L5/00		3435
H04L5/02	8	Channels characterised by the type of signal	H04L5/02	H04L5/02		407
H04L5/023	9	{Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] (multicarrier modulation H04L27/2601)}	H04L5/02	H04L5/02		1165
H04L5/026	10	{using code division (code allocation applied as frequency-domain sequences H04L5/0021)}	H04L5/02	H04L5/02		362
H04L5/04	9	the signals being represented by different amplitudes or polarities, e.g. quadriplex	H04L5/04	H04L5/04		365
H04L5/06	9	the signals being represented by different frequencies (combined with time-division multiplexing H04L5/26)	H04L5/06	H04L5/06		1264
H04L5/08	10	each combination of signals in different channels being represented by a fixed frequency	H04L5/08	H04L5/08		112
H04L5/10	10	with dynamo-electric generation of carriers; with mechanical filters or demodulators	H04L5/10	H04L5/10		272
H04L5/12	9	the signals being represented by different phase modulations of a single carrier	H04L5/12	H04L5/12		207
H04L5/14	8	Two-way operation using the same type of signal, i.e. duplex	H04L5/14	H04L5/14		6535
H04L5/1407	9	{Artificial lines or their setting}	H04L5/14	H04L5/14		275
H04L5/1415	9	{using control lines}	H04L5/14	H04L5/14		110
H04L5/1423	9	{for simultaneous baseband signals}	H04L5/14	H04L5/14		621
H04L5/143	9	{for modulated signals (H04L5/1469 takes precedence)}	H04L5/14	H04L5/14		669
H04L5/1438	9	{Negotiation of transmission parameters prior to communication (modified according to link quality H04L1/0001)}	H04L5/14	H04L5/14		682
H04L5/1446	10	{of transmission speed}	H04L5/14	H04L5/14		322
H04L5/1453	10	{of modulation type}	H04L5/14	H04L5/14		111
H04L5/1461	9	{Suppression of signals in the return path, i.e. bidirectional control circuits}	H04L5/14	H04L5/14		805
H04L5/1469	9	{using time-sharing}	H04L5/14	H04L5/14		3336
H04L5/1476	10	{operating bitwise}	H04L5/14	H04L5/14		38
H04L5/1484	10	{operating bytewise}	H04L5/14	H04L5/14		112
H04L5/1492	11	{with time compression, e.g. operating according to the ping-pong technique}	H04L5/14	H04L5/14		109
H04L5/16	9	Half-duplex systems; Simplex/duplex switching; Transmission of break signals {non-automatically inverting the direction of transmission}	H04L5/16	H04L5/16		1709
H04L5/18	9	Automatic changing of the traffic direction	H04L5/18	H04L5/18		125
H04L5/20	8	using different combinations of lines, e.g. phantom working	H04L5/20	H04L5/20		254
H04L5/22	8	using time-division multiplexing	H04L5/22	H04L5/22		858
H04L5/225	9	{combined with the use of transition coding (transition coding H04L25/493)}	H04L5/22	H04L5/22		66
H04L5/24	9	with start-stop synchronous converters	H04L5/24	H04L5/24		189
H04L5/245	10	{with a number of discharge tubes or semiconductor elements which successively connect the different channels to the transmission channels (details not particular to receiver or transmitter H04L13/00; apparatus or local circuits for transmitting or receiving dot-and-dash codes H04L15/00; apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements H04L17/00; apparatus or local circuits for step-by-step systems H04L19/00; apparatus or local circuits for mosaic printer telegraph systems H04L21/00; apparatus or local circuits for systems adapted for orthogonal signalling H04L23/02)}	H04L5/24	H04L5/24		224
H04L5/26	9	combined with the use of different frequencies	H04L5/26	H04L5/26		184
H04L7/00	7	Arrangements for synchronising receiver with transmitter {(synchronisation of generators of electric oscillations or pulses H03L7/00)}	H04L7/00	H04L7/00		1668
H04L7/0004	8	{Initialisation of the receiver (H04L7/0075 and H04L7/10 take precedence)}	H04L7/00	H04L7/00		433
H04L7/0008	8	{Synchronisation information channels, e.g. clock distribution lines}	H04L7/00	H04L7/00		2332
H04L7/0012	9	{by comparing receiver clock with transmitter clock}	H04L7/00	H04L7/00		630
H04L7/0016	8	{correction of synchronization errors}	H04L7/00	H04L7/00		822
H04L7/002	9	{correction by interpolation}	H04L7/00	H04L7/00		89
H04L7/0025	10	{interpolation of clock signal}	H04L7/00	H04L7/00		513
H04L7/0029	10	{interpolation of received data signal}	H04L7/00	H04L7/00		633
H04L7/0033	9	{Correction by delay}	H04L7/00	H04L7/00		417
H04L7/0037	10	{Delay of clock signal}	H04L7/00	H04L7/00		691
H04L7/0041	10	{Delay of data signal}	H04L7/00	H04L7/00		430
H04L7/0045	9	{Correction by a latch cascade}	H04L7/00	H04L7/00		173
H04L7/005	9	{Correction by an elastic buffer}	H04L7/00	H04L7/00		341
H04L7/0054	8	{Detection of the synchronisation error by features other than the received signal transition (by means of signal transition H04L7/033)}	H04L7/00	H04L7/00		558
H04L7/0058	9	{detection of error based on equalizer tap values}	H04L7/00	H04L7/00		168
H04L7/0062	9	{detection of error based on data decision error, e.g. Mueller type detection}	H04L7/00	H04L7/00		417
H04L7/0066	9	{detection of error based on transmission code rule}	H04L7/00	H04L7/00		256
H04L7/007	9	{detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation}	H04L7/00	H04L7/00		273
H04L7/0075	8	{with photonic or optical means}	H04L7/00	H04L7/00		816
H04L7/0079	8	{Receiver details}	H04L7/00	H04L7/00		742
H04L7/0083	9	{taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks}	H04L7/00	H04L7/00		898
H04L7/0087	9	{Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection}	H04L7/00	H04L7/00		743
H04L7/0091	8	{Transmitter details}	H04L7/00	H04L7/00		533
H04L7/0095	8	{with mechanical means}	H04L7/00	H04L7/00		342
H04L7/02	8	Speed or phase control by the received code signals, the signals containing no special synchronisation information {(H04L7/0075 takes precedence)}	H04L7/02	H04L7/02		1189
H04L7/027	9	extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit	H04L7/027	H04L7/027		977
H04L7/0272	10	{with squaring loop}	H04L7/027	H04L7/027		14
H04L7/0274	10	{with Costas loop}	H04L7/027	H04L7/027		30
H04L7/0276	10	{Self-sustaining, e.g. by tuned delay line and a feedback path to a logical gate}	H04L7/027	H04L7/027		98
H04L7/0278	10	{Band edge detection}	H04L7/027	H04L7/027		96
H04L7/033	9	using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop	H04L7/033	H04L7/033		3386
H04L7/0331	10	{with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock (H04L7/0337 takes precedence)}	H04L7/033	H04L7/033		1491
H04L7/0332	10	{with an integrator-detector}	H04L7/033	H04L7/033		134
H04L7/0334	10	{Processing of samples having at least three levels, e.g. soft decisions}	H04L7/033	H04L7/033		584
H04L7/0335	11	{Gardner detector}	H04L7/033	H04L7/033		63
H04L7/0337	10	{Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals}	H04L7/033	H04L7/033		1224
H04L7/0338	11	{the correction of the phase error being performed by a feed forward loop}	H04L7/033	H04L7/033		495
H04L7/04	8	Speed or phase control by synchronisation signals {(H04L7/0075 takes precedence)}	H04L7/04	H04L7/04		1218
H04L7/041	9	{using special codes as synchronising signal}	H04L7/04	H04L7/04		978
H04L7/042	10	{Detectors therefor, e.g. correlators, state machines (digital correlators in general G06F17/15)}	H04L7/04	H04L7/04		1443
H04L7/043	10	{Pseudo-noise [PN] codes variable during transmission (synchronisation of spread spectrum receivers H04B1/69)}	H04L7/04	H04L7/04		273
H04L7/044	10	{using a single bit, e.g. start stop bit}	H04L7/04	H04L7/04		319
H04L2007/045	10	{Fill bit or bits, idle words}	H04L7/04	H04L7/04		189
H04L7/046	10	{using a dotting sequence}	H04L7/04	H04L7/04		612
H04L2007/047	10	{using a sine signal or unmodulated carrier}	H04L7/04	H04L7/04		129
H04L7/048	9	{using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal}	H04L7/04	H04L7/04		526
H04L7/06	9	the synchronisation signals differing from the information signals in amplitude, polarity or frequency {or length}	H04L7/06	H04L7/06		456
H04L7/065	10	{and superimposed by modulation}	H04L7/06	H04L7/06		55
H04L7/08	9	the synchronisation signals recurring cyclically	H04L7/08	H04L7/08		722
H04L7/10	9	Arrangements for initial synchronisation	H04L7/10	H04L7/10		952
H04L9/00	7	{Cryptographic mechanisms or cryptographic} arrangements for secret or secure communications; Network security protocols<br><br><u>NOTE</u><br><br>This group covers: <br>1.1 Cryptographic mechanisms including cryptographic protocols  and cryptographic algorithms, whereby a cryptographic protocol is a distributed cryptographic algorithm defined by a sequence of steps precisely specifying the actions required of two or more entities to achieve specific security objectives (e.g. cryptographic protocol for key agreement), and whereby a cryptographic algorithm is specifying the steps followed by a single entity to achieve specific security objectives (e.g. cryptographic algorithm for symmetric key encryption). <br>1.2 H04L9/00 focuses on cryptographic mechanisms such as encryption schemes, digital signatures, hash functions, random number generation, key management, said cryptographic mechanisms providing information security such as privacy or confidentiality, data integrity, message authentication, entity authentication, authorization, validation, certification, time-stamping, anonymity, revocation, non-repudiation. <br>1.3 H04L9/00 covers also countermeasures against attacks on cryptographic mechanisms. <br>This group does not cover: <br>2.1 Networking architectures or network communication protocols for securing the traffic flowing through data packet networks and providing secure exchanges among applications communicating through data packet networks, which are covered by H04L63/00. Attention is drawn to the Note 1. after group H04L63/00<br>2.2 Security arrangements for protecting computers or computer systems against unauthorised activity, which are covered by G06F21/00<br> In subgroups H04L9/001 -  H04L9/38, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place. 	H04L9/00	H04L9/00		2147
H04L9/001	8	{using chaotic signals}	H04L9/00	H04L9/00		2572
H04L9/002	8	{Countermeasures against attacks on cryptographic mechanisms (network architectures or network communication protocols for protection against malicious traffic H04L63/1441)}	H04L9/00	H04L9/00		2199
H04L9/003	9	{for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]}	H04L9/00	H04L9/00		1376
H04L9/004	9	{for fault attacks}	H04L9/00	H04L9/00		451
H04L9/005	9	{for timing attacks}	H04L9/00	H04L9/00		112
H04L9/006	8	{involving public key infrastructure [PKI] trust models (network architecture or network communication protocol for supporting authentication of entities using certificates in a packet data network H04L63/0823)}	H04L9/00	H04L9/00		1186
H04L9/007	9	{involving hierarchical structures}	H04L9/00	H04L9/00		147
H04L9/008	8	{involving homomorphic encryption}	H04L9/00	H04L9/00		4380
H04L9/06	8	the encryption apparatus using shift registers or memories for block-wise {or stream} coding, e.g. DES systems {or RC4; Hash functions; Pseudorandom sequence generators}	H04L9/06	H04L9/06		1520
H04L9/0618	9	{Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation}	H04L9/06	H04L9/06		2754
H04L9/0625	10	{with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI}	H04L9/06	H04L9/06		1363
H04L9/0631	10	{Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms}	H04L9/06	H04L9/06		4027
H04L9/0637	10	{Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]}	H04L9/06	H04L9/06		3621
H04L9/0643	9	{Hash functions, e.g. MD5, SHA, HMAC or f9 MAC}	H04L9/06	H04L9/06		10517
H04L9/065	9	{Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3}	H04L9/06	H04L9/06		1246
H04L9/0656	10	{Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam&apos;s cipher}	H04L9/06	H04L9/06		963
H04L9/0662	11	{with particular pseudorandom sequence generator}	H04L9/06	H04L9/06		1857
H04L9/0668	12	{producing a non-linear pseudorandom sequence}	H04L9/06	H04L9/06		262
H04L9/08	8	Key distribution {or management, e.g. generation, sharing or updating, of cryptographic keys or passwords (network architectures or network communication protocols for supporting key management in a packet data network H04L63/06)}	H04L9/08	H04L9/08		3138
H04L9/0816	9	{Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use}	H04L9/08	H04L9/08		1143
H04L9/0819	10	{Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network H04L63/062)}	H04L9/08	H04L9/08		4101
H04L9/0822	11	{using key encryption key}	H04L9/08	H04L9/08		4338
H04L9/0825	11	{using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates}	H04L9/08	H04L9/08		7960
H04L9/0827	11	{involving distinctive intermediate devices or communication paths (network architectures or network communication protocols using different networks H04L63/18)}	H04L9/08	H04L9/08		759
H04L9/083	11	{involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]}	H04L9/08	H04L9/08		2890
H04L9/0833	12	{involving conference or group key (network architectures or network communication protocols for key management in group communication in a packet data network H04L63/065)}	H04L9/08	H04L9/08		1194
H04L9/0836	13	{using tree structure or hierarchical structure}	H04L9/08	H04L9/08		784
H04L9/0838	10	{Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these (network architectures or network communication protocols for key exchange in a packet data network H04L63/061)}	H04L9/08	H04L9/08		3708
H04L9/0841	11	{involving Diffie-Hellman or related key agreement protocols}	H04L9/08	H04L9/08		1445
H04L9/0844	12	{with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys}	H04L9/08	H04L9/08		1490
H04L9/0847	11	{involving identity based encryption [IBE] schemes}	H04L9/08	H04L9/08		412
H04L9/085	10	{Secret sharing or secret splitting, e.g. threshold schemes}	H04L9/08	H04L9/08		5324
H04L9/0852	10	{Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared H04B10/00; wavelength-division multiplex systems H04J14/02; WDM arrangements H04J14/03)}	H04L9/08	H04L9/08		5585
H04L9/0855	11	{involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes}	H04L9/08	H04L9/08		646
H04L9/0858	11	{Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding}	H04L9/08	H04L9/08		1751
H04L9/0861	9	{Generation of secret information including derivation or calculation of cryptographic keys or passwords}	H04L9/08	H04L9/08		9671
H04L9/0863	10	{involving passwords or one-time passwords (network architectures or network communication protocols for using one-time keys in a packet data network H04L63/067)}	H04L9/08	H04L9/08		3833
H04L9/0866	10	{involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics}	H04L9/08	H04L9/08		5967
H04L9/0869	10	{involving random numbers or seeds}	H04L9/08	H04L9/08		11066
H04L9/0872	10	{using geo-location information, e.g. location data, time, relative position or proximity to other entities}	H04L9/08	H04L9/08		1094
H04L9/0875	10	{based on channel impulse response [CIR]}	H04L9/08	H04L9/08		305
H04L9/0877	10	{using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]}	H04L9/08	H04L9/08		1914
H04L9/088	9	{Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms (network architectures or network communication protocols for using time-dependent keys in a packet data network H04L63/068)}	H04L9/08	H04L9/08		3688
H04L9/0891	9	{Revocation or update of secret information, e.g. encryption key update or rekeying}	H04L9/08	H04L9/08		6476
H04L9/0894	9	{Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage}	H04L9/08	H04L9/08		7739
H04L9/0897	10	{involving additional devices, e.g. trusted platform module [TPM], smartcard or USB}	H04L9/08	H04L9/08		2844
H04L9/10	8	with particular housing, physical features or manual controls	H04L9/10	H04L9/10		122
H04L9/12	8	Transmitting and receiving encryption devices synchronised or initially set up in a particular manner	H04L9/12	H04L9/12		2092
H04L9/14	8	using a plurality of keys or algorithms	H04L9/14	H04L9/14		7419
H04L9/16	9	the keys or algorithms being changed during operation	H04L9/16	H04L9/16		1017
H04L9/30	8	Public key, i.e. encryption algorithm being computationally infeasible to invert or user&apos;s encryption keys not requiring secrecy	H04L9/30	H04L9/30		4676
H04L9/3006	9	{underlying computational problems or public-key parameters}	H04L9/30	H04L9/30		409
H04L9/3013	10	{involving the discrete logarithm problem, e.g. ElGamal or Diffie-Hellman systems}	H04L9/30	H04L9/30		456
H04L9/302	10	{involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes}	H04L9/30	H04L9/30		1476
H04L9/3026	10	{details relating to polynomials generation, e.g. generation of irreducible polynomials}	H04L9/30	H04L9/30		355
H04L9/3033	10	{details relating to pseudo-prime or prime number generation, e.g. primality test}	H04L9/30	H04L9/30		539
H04L9/304	9	{based on error correction codes, e.g. McEliece}	H04L9/30	H04L9/30		352
H04L9/3066	9	{involving algebraic varieties, e.g. elliptic or hyper-elliptic curves}	H04L9/30	H04L9/30		3132
H04L9/3073	10	{involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing}	H04L9/30	H04L9/30		1563
H04L9/3093	9	{involving Lattices or polynomial equations, e.g. NTRU scheme}	H04L9/30	H04L9/30		836
H04L9/32	8	including means for verifying the identity or authority of a user of the system {or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials}	H04L9/32	H04L9/32		8414
H04L9/321	9	{involving a third party or a trusted authority}	H04L9/32	H04L9/32		3704
H04L9/3213	10	{using tickets or tokens, e.g. Kerberos (network architectures or network communication protocols for entities authentication using tickets in a packet data network H04L63/0807)}	H04L9/32	H04L9/32		6227
H04L9/3215	9	{using a plurality of channels (network architectures or network communication protocols using different networks H04L63/18)}	H04L9/32	H04L9/32		924
H04L9/3218	9	{using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs}	H04L9/32	H04L9/32		1894
H04L9/3221	10	{interactive zero-knowledge proofs}	H04L9/32	H04L9/32		768
H04L9/3226	9	{using a predetermined code, e.g. password, passphrase or PIN (network architectures or network communication protocols for supporting authentication of entities using passwords in a packet data network H04L63/083)}	H04L9/32	H04L9/32		7779
H04L9/3228	10	{One-time or temporary data, i.e. information which is sent for every authentication or authorization, e.g. one-time-password, one-time-token or one-time-key}	H04L9/32	H04L9/32		3056
H04L9/3231	10	{Biological data, e.g. fingerprint, voice or retina (network architectures or network communication protocols for supporting authentication of entities using biometrical features in a packet data network H04L63/0861)}	H04L9/32	H04L9/32		5257
H04L9/3234	9	{involving additional secure or trusted devices, e.g. TPM, smartcard, USB or software token (network architectures or network communication protocols for supporting authentication of entities using an additional device in a packet data network H04L63/0853)}	H04L9/32	H04L9/32		4095
H04L9/3236	9	{using cryptographic hash functions}	H04L9/32	H04L9/32		8708
H04L9/3239	10	{involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD}	H04L9/32	H04L9/32		11336
H04L9/3242	10	{involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC}	H04L9/32	H04L9/32		4063
H04L9/3247	9	{involving digital signatures}	H04L9/32	H04L9/32		24964
H04L9/3249	10	{using RSA or related signature schemes, e.g. Rabin scheme}	H04L9/32	H04L9/32		1113
H04L9/3252	10	{using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes}	H04L9/32	H04L9/32		1229
H04L9/3255	10	{using group based signatures, e.g. ring or threshold signatures}	H04L9/32	H04L9/32		1293
H04L9/3257	10	{using blind signatures}	H04L9/32	H04L9/32		368
H04L9/3263	9	{involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements (network architectures or network communication protocols for supporting authentication of entities using certificates in a packet data network H04L63/0823)}	H04L9/32	H04L9/32		8532
H04L9/3265	10	{using certificate chains, trees or paths; Hierarchical trust model}	H04L9/32	H04L9/32		1173
H04L9/3268	10	{using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]}	H04L9/32	H04L9/32		4614
H04L9/3271	9	{using challenge-response}	H04L9/32	H04L9/32		4183
H04L9/3273	10	{for mutual authentication (network architectures or network communication protocols for achieving mutual authentication in a packet data network H04L63/0869)}	H04L9/32	H04L9/32		1800
H04L9/3278	10	{using physically unclonable functions [PUF]}	H04L9/32	H04L9/32		1960
H04L9/3297	9	{involving time stamps, e.g. generation of time stamps}	H04L9/32	H04L9/32		5401
H04L9/34	8	Bits, or blocks of bits, of the telegraphic message being interchanged in time {(for speech signals H04K1/06)}	H04L9/34	H04L9/34		123
H04L9/36	8	with means for detecting characters not meant for transmission	H04L9/36	H04L9/36		145
H04L9/38	8	Encryption being effected by mechanical apparatus, e.g. rotating cams, switches, keytape punchers	H04L9/38	H04L9/38		212
H04L9/40	8	Network security protocols<br><br><u>NOTE</u><br><br>When allocating H04L9/40 to patent documents, attention should be made to check whether other subgroups from H04L63/00 need to be allocated also for a complete classification.<br><br><u>WARNING</u><br>Group H04L9/40 is impacted by reclassification into groups H04L61/09, H04L63/00, H04L65/60, H04L65/61, H04L65/611, H04L65/612, H04L65/613, H04L65/65, H04L65/70, H04L65/75, H04L65/752, H04L65/756, H04L67/01, H04L67/1001, H04L67/10015, H04L67/131, H04L67/133, H04L67/1396 and H04L67/50. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L9/40	H04L9/40		34650
H04L9/50	8	{using hash chains, e.g. blockchains or hash trees}	H04L9/00	H04L9/50		24627
H04L12/00	7	Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00)	H04L12/00	H04L12/00		2246
H04L12/02	8	Details	H04L12/02	H04L12/02		1422
H04L12/04	9	Switchboards	H04L12/04	H04L12/04		304
H04L12/06	9	Answer-back mechanisms or circuits	H04L12/06	H04L12/06		303
H04L12/08	9	Allotting numbers to messages; Counting characters, words or messages	H04L12/08	H04L12/08		84
H04L12/10	9	Current supply arrangements	H04L12/10	H04L12/10		4808
H04L12/12	9	Arrangements for remote connection or disconnection of substations or of equipment thereof	H04L12/12	H04L12/12		5645
H04L12/14	9	Charging, metering or billing arrangements specially adapted for data communications, e.g. authentication, authorisation and accounting [AAA] framework<br><br><u>WARNING</u><br>Group H04L12/14 is incomplete pending reclassification of documents from group G06Q50/40. <br>Groups G06Q50/40 and H04L12/14 should be considered in order to perform a complete search.	H04L12/14	H04L12/14		3766
H04L12/1403	10	{Architecture for metering, charging or billing}	H04L12/14	H04L12/14		1765
H04L12/1407	11	{Policy-and-charging control [PCC] architecture}	H04L12/14	H04L12/14		1866
H04L12/141	10	{Indication of costs}	H04L12/14	H04L12/14		190
H04L12/1414	11	{in real-time}	H04L12/14	H04L12/14		171
H04L12/1417	12	{Advice of charge with threshold, e.g. user indicating maximum cost}	H04L12/14	H04L12/14		139
H04L12/1421	11	{Indication of expected costs}	H04L12/14	H04L12/14		139
H04L12/1425	10	{involving dedicated fields in the data packet for billing purposes}	H04L12/14	H04L12/14		224
H04L12/1428	10	{Invoice generation, e.g. customization, lay-out, database processing, algorithms for calculating the bill or formatting invoices as WWW pages (invoicing in general G06Q30/04)}	H04L12/14	H04L12/14		247
H04L12/1432	10	{Metric aspects}	H04L12/14	H04L12/14		406
H04L12/1435	11	{volume-based}	H04L12/14	H04L12/14		586
H04L12/1439	11	{time-based}	H04L12/14	H04L12/14		473
H04L12/1442	10	{at network operator level}	H04L12/14	H04L12/14		148
H04L12/1446	11	{inter-operator billing}	H04L12/14	H04L12/14		209
H04L12/145	11	{trading network capacity or selecting route based on tariff}	H04L12/14	H04L12/14		162
H04L12/1453	10	{Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network}	H04L12/14	H04L12/14		237
H04L12/1457	11	{using an account}	H04L12/14	H04L12/14		265
H04L12/146	11	{using digital cash}	H04L12/14	H04L12/14		66
H04L12/1464	11	{using a card, such as credit card, prepay card or SIM}	H04L12/14	H04L12/14		93
H04L12/1467	11	{involving prepayment}	H04L12/14	H04L12/14		480
H04L12/1471	11	{splitting of costs}	H04L12/14	H04L12/14		229
H04L12/1475	12	{the splitting involving a third party}	H04L12/14	H04L12/14		85
H04L12/1478	12	{the splitting involving only the communication parties}	H04L12/14	H04L12/14		19
H04L12/1482	11	{involving use of telephony infrastructure for billing for the transport of data, e.g. call detail record [CDR] or intelligent network infrastructure}	H04L12/14	H04L12/14		220
H04L12/1485	10	{Tariff-related aspects}	H04L12/14	H04L12/14		744
H04L12/1489	11	{dependent on congestion}	H04L12/14	H04L12/14		85
H04L12/1492	11	{negotiation of tariff}	H04L12/14	H04L12/14		122
H04L12/1496	11	{involving discounts}	H04L12/14	H04L12/14		186
H04L12/16	9	Arrangements for providing special services to substations	H04L12/16	H04L12/16		885
H04L12/18	10	for broadcast or conference {, e.g. multicast}	H04L12/18	H04L12/18		3890
H04L12/1804	11	{for stock exchange and similar applications}	H04L12/18	H04L12/18		404
H04L12/1809	11	{for auctioneering devices}	H04L12/18	H04L12/18		67
H04L12/1813	11	{for computer conferences, e.g. chat rooms (instant messaging H04L51/04; protocols for multimedia communication H04L65/1101; arrangements for multi-party communication H04L65/403; telephonic conference arrangements H04M3/56; television conference systems H04N7/15)}	H04L12/18	H04L12/18		2262
H04L12/1818	12	{Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties}	H04L12/18	H04L12/18		2453
H04L12/1822	12	{Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission}	H04L12/18	H04L12/18		3864
H04L12/1827	12	{Network arrangements for conference optimisation or adaptation}	H04L12/18	H04L12/18		2334
H04L12/1831	12	{Tracking arrangements for later retrieval, e.g. recording contents, participants activities or behavior, network status}	H04L12/18	H04L12/18		1518
H04L12/1836	11	{with heterogeneous network architecture}	H04L12/18	H04L12/18		584
H04L12/184	12	{with heterogeneous receivers, e.g. layered multicast}	H04L12/18	H04L12/18		80
H04L12/1845	11	{broadcast or multicast in a specific location, e.g. geocast (protocols for adapting network applications to user terminal location H04L67/52; services specially adapted for wireless communication networks making use of the location of users or terminals H04W4/02)}	H04L12/18	H04L12/18		480
H04L12/185	11	{with management of multicast group membership}	H04L12/18	H04L12/18		3460
H04L12/1854	11	{with non-centralised forwarding system, e.g. chaincast}	H04L12/18	H04L12/18		584
H04L12/1859	11	{adapted to provide push services, e.g. data channels}	H04L12/18	H04L12/18		1400
H04L12/1863	11	{comprising mechanisms for improved reliability, e.g. status reports (arrangements for detecting or preventing errors by carrying supervisory signal the return channel H04L1/16)}	H04L12/18	H04L12/18		517
H04L12/1868	12	{Measures taken after transmission, e.g. acknowledgments}	H04L12/18	H04L12/18		829
H04L12/1872	13	{avoiding ACK or NACK implosion}	H04L12/18	H04L12/18		38
H04L12/1877	12	{Measures taken prior to transmission}	H04L12/18	H04L12/18		621
H04L12/1881	11	{with schedule organisation, e.g. priority, sequence management}	H04L12/18	H04L12/18		804
H04L12/1886	11	{with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains}	H04L12/18	H04L12/18		1172
H04L12/189	11	{in combination with wireless systems (selective distribution or broadcast in wireless communication networks H04W4/06)}	H04L12/18	H04L12/18		3430
H04L12/1895	11	{for short real-time information, e.g. alarms, notifications, alerts, updates}	H04L12/18	H04L12/18		1175
H04L12/22	9	Arrangements for preventing the taking of data from a data transmission channel without authorisation (means for verifying the identity or the authority of a user of a secure or secret communication system H04L9/32)	H04L12/22	H04L12/22		869
H04L12/28	8	characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] (wireless communication networks H04W{; arrangements for dividing the transmission path H04W40/00})	H04L12/28	H04L12/28		6995
H04L12/2801	9	{Broadband local area networks}	H04L12/28	H04L12/28		2429
H04L12/2803	9	{Home automation networks}	H04L12/28	H04L12/28		5400
H04L12/2805	10	{Home Audio Video Interoperability [HAVI] networks}	H04L12/28	H04L12/28		839
H04L12/2807	10	{Exchanging configuration information on appliance services in a home automation network (arrangements for maintenance or administration involving network analysis for automatically determining the actual topology of a network H04L41/12; hardware or software tools for network management using graphical user interfaces H04L41/22; address allocation H04L61/50)}	H04L12/28	H04L12/28		2625
H04L12/2809	11	{indicating that an appliance service is present in a home automation network (monitoring functionality H04L43/0817; discovery or management thereof, e.g. service location protocol [SLP] or web services, H04L67/51)}	H04L12/28	H04L12/28		1648
H04L12/281	11	{indicating a format for calling an appliance service function in a home automation network (for remote control or remote monitoring of applications H04L67/025)}	H04L12/28	H04L12/28		635
H04L12/2812	11	{describing content present in a home automation network, e.g. audio video content (retrieval from the Internet G06F16/95)}	H04L12/28	H04L12/28		713
H04L12/2814	11	{Exchanging control software or macros for controlling appliance services in a home automation network (arrangements for maintenance or administration involving configuration of the network and network elements H04L41/08)}	H04L12/28	H04L12/28		1234
H04L12/2816	10	{Controlling appliance services of a home automation network by calling their functionalities (arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00)}	H04L12/28	H04L12/28		4317
H04L12/2818	11	{from a device located outside both the home and the home network (access arrangements H04L12/2856; for remote control or remote monitoring of applications H04L67/025; arrangements for transmitting signals characterised by the use of a wireless eletrical link G08C17/00; telephonic communication systems adapted for combination with remote control systems H04M11/007)}	H04L12/28	H04L12/28		1789
H04L12/282	11	{based on user interaction within the home (receiver circuitry for displaying additional information being controlled by a remote control apparatus H04N21/42204)}	H04L12/28	H04L12/28		3737
H04L12/2821	11	{Avoiding conflicts related to the use of home appliances (cryptographic protocols H04L9/00; protocols for network security H04L63/00)}	H04L12/28	H04L12/28		365
H04L12/2823	10	{Reporting information sensed by appliance or service execution status of appliance services in a home automation network (device-related reporting H04L43/065; arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00)}	H04L12/28	H04L12/28		1487
H04L12/2825	11	{Reporting to a device located outside the home and the home network (access arrangements H04L12/2856; for remote control or remote monitoring of applications H04L67/025; telephonic communication systems adapted for combination with telemetering systems H04M11/002)}	H04L12/28	H04L12/28		1258
H04L12/2827	11	{Reporting to a device within the home network; wherein the reception of the information reported automatically triggers the execution of a home appliance functionality}	H04L12/28	H04L12/28		1136
H04L12/2829	12	{involving user profiles according to which the execution of a home appliance functionality is automatically triggered}	H04L12/28	H04L12/28		678
H04L12/283	10	{Processing of data at an internetworking point of a home automation network}	H04L12/28	H04L12/28		671
H04L12/2832	11	{Interconnection of the control functionalities between home networks (single bridge functionality H04L12/4625)}	H04L12/28	H04L12/28		558
H04L12/2834	11	{Switching of information between an external network and a home network (access arrangements H04L12/2856)}	H04L12/28	H04L12/28		1716
H04L12/2836	11	{Protocol conversion between an external network and a home network (controlling appliance services of a home automation network from a device located outside the home and the home network H04L12/2818; protocol conversion H04L69/08; adaptation of digital video signals for transport over a specific home network H04N7/24)}	H04L12/28	H04L12/28		618
H04L12/2838	10	{Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths (adaptations of television systems for transmission by electric cable for domestic distribution H04N7/106; hybrid transport H04L12/6418; home network arrangements specially adapted for distribution of digital video signals H04N7/24)}	H04L12/28	H04L12/28		1214
H04L2012/284	10	{characterised by the type of medium used}	H04L12/28	H04L12/28		75
H04L2012/2841	11	{Wireless}	H04L12/28	H04L12/28		2980
H04L2012/2843	11	{Mains power line}	H04L12/28	H04L12/28		646
H04L2012/2845	11	{Telephone line}	H04L12/28	H04L12/28		429
H04L2012/2847	10	{characterised by the type of home appliance used}	H04L12/28	H04L12/28		104
H04L2012/2849	11	{Audio/video appliances}	H04L12/28	H04L12/28		1905
H04L2012/285	11	{Generic home appliances, e.g. refrigerators}	H04L12/28	H04L12/28		2305
H04L12/2852	9	{Metropolitan area networks}	H04L12/28	H04L12/28		226
H04L12/2854	9	{Wide area networks, e.g. public data networks}	H04L12/28	H04L12/28		781
H04L12/2856	10	{Access arrangements, e.g. Internet access (asynchronous transfer mode networks H04L12/5601; broadband local area networks H04L12/2801; optical access or distribution networks H04Q11/0067; access to open networks H04L12/5691; digital subscriber line end-user equipment and bit-level processing of data on a PSTN-based network H04M11/00; home network gateways H04L12/2834; wireless access networks H04W)}<br><br><u>NOTE</u><br><br>This group covers: <br>access to a public data network, such as an IP network, for subscribers, i.e. customers of a network service provider, over a wired network. <br>communication of generic types of data between end-user equipments, located typically at the subscriber premises, and an access server, which acts as interface between the access network and the public data network. <br>This group does not cover: <br>wireless access networks, which are covered by H04W<br>optical distribution networks, which are covered by H04Q11/0067<br>bit-level, or PHY layer, processing of data between digital subscriber line equipments, which is covered by H04M11/06<br>design of DSL, digital subscriber line, modems, which is covered by H04M11/06<br>exchange of data related to functionalities of home network appliances between a home network and an external network, which is covered by H04L12/2803<br>management of WDM parameters in optical multiplex systems, which is covered by H04J14/02<br>circuit-switched access networks, which are covered by H04M7/1205<br>access arrangements for providing telephone service in networks other than PSTN/ISDN, which are covered by H04M7/0066<br>In this group the following terms or expressions are used with the meaning indicated: <br>ATM means Asynchronous Transfer Mode <br>LAN means Local Area Network <br>BRAS means Broadband Remote Access Server <br>DSLAM means Digital Subscriber Line Access Multiplexer <br>MSAN means MultiService Access Node <br>DSL means Digital Subscriber Line <br>IP means Internet Protocol <br>WDM means Wavelength Division Multiplexing <br>SDH means Synchronous Digital Hierarchy <br>OTN means Optical Transport Network <br>PSTN means Public Switched Telephone Network <br>ISDN means Integrated Services Digital Network <br>TDM means Time-Division Multiplexing <br>TDMA means Time Division Multiple Access 	H04L12/28	H04L12/28		2509
H04L12/2858	11	{Access network architectures}	H04L12/28	H04L12/28		188
H04L12/2859	12	{Point-to-point connection between the data network and the subscribers (encapsulation H04L12/4633; virtual LANs H04L12/4641; routing of packets H04L45/00)}	H04L12/28	H04L12/28		475
H04L12/2861	12	{Point-to-multipoint connection from the data network to the subscribers}	H04L12/28	H04L12/28		413
H04L12/2863	11	{Arrangements for combining access network resources elements, e.g. channel bonding (modem pooling H04L25/14; routing of packets H04L45/00; multichannel or multilink protocols H04L69/14)}	H04L12/28	H04L12/28		149
H04L12/2865	12	{Logical combinations}	H04L12/28	H04L12/28		96
H04L12/2867	12	{Physical combinations}	H04L12/28	H04L12/28		122
H04L12/2869	11	{Operational details of access network equipments (admission control or resource allocation in access networks H04L12/5692)}	H04L12/28	H04L12/28		415
H04L12/287	12	{Remote access server, e.g. BRAS}	H04L12/28	H04L12/28		315
H04L12/2872	13	{Termination of subscriber connections}	H04L12/28	H04L12/28		219
H04L12/2874	13	{Processing of data for distribution to the subscribers}	H04L12/28	H04L12/28		378
H04L12/2876	13	{Handling of subscriber policies (group policies management H04L41/0893)}	H04L12/28	H04L12/28		225
H04L12/2878	12	{Access multiplexer, e.g. DSLAM (generic distributed time multiplexers, e.g. TDM/TDMA H04J3/1694)}	H04L12/28	H04L12/28		310
H04L12/2879	13	{characterised by the network type on the uplink side, i.e. towards the service provider network}	H04L12/28	H04L12/28		44
H04L12/2881	14	{IP/Ethernet DSLAM}	H04L12/28	H04L12/28		140
H04L12/2883	14	{ATM DSLAM}	H04L12/28	H04L12/28		122
H04L12/2885	14	{Arrangements interfacing with optical systems (optical network equipment H04B10/00; optical multiplexers H04J14/05 and H04J14/07)}	H04L12/28	H04L12/28		362
H04L12/2887	13	{characterised by the offered subscriber services}	H04L12/28	H04L12/28		35
H04L12/2889	14	{Multiservice, e.g. MSAN}	H04L12/28	H04L12/28		151
H04L12/289	14	{Single service}	H04L12/28	H04L12/28		34
H04L12/2892	13	{characterised by the access multiplexer architecture}	H04L12/28	H04L12/28		50
H04L12/2894	14	{Centralized processing}	H04L12/28	H04L12/28		17
H04L12/2896	14	{Distributed processing, e.g. on line cards}	H04L12/28	H04L12/28		73
H04L12/2898	12	{Subscriber equipments (DSL modems H04M11/062; cable modems H04L12/2801)}	H04L12/28	H04L12/28		1279
H04L12/40	9	Bus networks	H04L12/40	H04L12/40		7699
H04L12/40006	10	{Architecture of a communication node (current supply arrangements H04L12/10; intermediate storage or scheduling H04L49/90)}<br><br><u>NOTE</u><br><br> In this group the following terms or expressions are used with the meaning indicated: <br>a bus controller is a microprocessor dedicated to input and output of data by a node on a bus; <br>a bus master is a device controlling which node accesses the bus at a particular time; <br>a bus guardian is a device monitoring the timing of node accesses on the bus; <br>a bus interface enhancer is a hardware or software arrangement managing the bus controller or the bus interface to modify its behaviour or providing a transparent interface to the bus controller. 	H04L12/40	H04L12/40		4169
H04L12/40013	11	{Details regarding a bus controller}	H04L12/40	H04L12/40		2584
H04L12/40019	11	{Details regarding a bus master}	H04L12/40	H04L12/40		549
H04L12/40026	11	{Details regarding a bus guardian}	H04L12/40	H04L12/40		229
H04L12/40032	11	{Details regarding a bus interface enhancer}	H04L12/40	H04L12/40		1667
H04L12/40039	11	{Details regarding the setting of the power status of a node according to activity on the bus}	H04L12/40	H04L12/40		752
H04L12/40045	11	{Details regarding the feeding of energy to the node from the bus}	H04L12/40	H04L12/40		1076
H04L12/40052	10	{High-speed IEEE 1394 serial bus (bus transfer protocol on a daisy chain bus using an embedded synchronisation G06F13/426)}	H04L12/40	H04L12/40		335
H04L12/40058	11	{Isochronous transmission}	H04L12/40	H04L12/40		442
H04L12/40065	11	{Bandwidth and channel allocation (home automation networks H04L12/2803; flow control H04L47/10)}	H04L12/40	H04L12/40		201
H04L12/40071	11	{Packet processing; Packet format (adaptation of digital video signals for transport over a specific network H04N21/2381, H04N21/4363, H04N21/4381; packet switches H04L49/00; intermediate storage or scheduling H04L49/90)}	H04L12/40	H04L12/40		495
H04L12/40078	11	{Bus configuration (home automation networks H04L12/2803; arrangements for maintenance or administration H04L41/00)}	H04L12/40	H04L12/40		419
H04L12/40084	11	{Bus arbitration}	H04L12/40	H04L12/40		191
H04L12/40091	11	{Bus bridging (LAN interconnection over a bridge based backbone H04L12/462; single bridge functionality H04L12/462)}	H04L12/40	H04L12/40		279
H04L12/40097	11	{Interconnection with other networks (LAN interconnection over a bridge based backbone H04L12/462; single bridge functionality H04L12/462)}	H04L12/40	H04L12/40		220
H04L12/40104	11	{Security; Encryption; Content protection (cryptographic protocols H04L9/00; protocols for network security H04L63/00)}	H04L12/40	H04L12/40		367
H04L12/40117	11	{Interconnection of audio or video/imaging devices (home automation networks H04L12/2803; bitstream network arrangements specially adapted for distribution of digital video signals H04N7/24)}	H04L12/40	H04L12/40		686
H04L12/40123	11	{Interconnection of computers and peripherals (printer information exchange with computer G06F3/1293)}	H04L12/40	H04L12/40		241
H04L12/4013	10	{Management of data rate on the bus (systems modifying transmission characteristics according to link quality H04L1/0001)}	H04L12/40	H04L12/40		650
H04L12/40136	11	{Nodes adapting their rate to the physical link properties (LAN switches H04L49/351)}	H04L12/40	H04L12/40		272
H04L12/40143	10	{involving priority mechanisms (hybrid switching fabrics H04L12/6402; intermediate storage or scheduling H04L49/90; time-division multiplex systems H04J3/00)}	H04L12/40	H04L12/40		512
H04L12/4015	11	{by scheduling the transmission of messages at the communication node}	H04L12/40	H04L12/40		361
H04L12/40156	11	{by using dedicated slots associated with a priority level}	H04L12/40	H04L12/40		121
H04L12/40163	11	{by assigning priority to messages according to a message field}	H04L12/40	H04L12/40		210
H04L12/40169	10	{Flexible bus arrangements (arrangements for maintenance or administration involving management of faults; events, alarms H04L41/06; automatic restoration of network faults H04L41/0654)}	H04L12/40	H04L12/40		1254
H04L12/40176	11	{involving redundancy (error detection or correction of the data by redundancy in hardware using active fault-masking in interconnections G06F11/2002; error detection or correction of the data by redundancy in hardware using active fault-masking in storage systems using spares or by reconfiguring G06F11/2053)}	H04L12/40	H04L12/40		518
H04L12/40182	12	{by using a plurality of communication lines}	H04L12/40	H04L12/40		572
H04L12/40189	12	{by using a plurality of bus systems}	H04L12/40	H04L12/40		335
H04L12/40195	12	{by using a plurality of nodes}	H04L12/40	H04L12/40		371
H04L12/40202	12	{by using a plurality of master stations}	H04L12/40	H04L12/40		133
H04L2012/40208	10	{characterized by the use of a particular bus standard}<br><br><u>NOTE</u><br><br>In this group the following terms or expressions are used with the meaning indicated: <br>Controller-area network (CAN or CAN-bus) designates a computer network protocol and bus standard developed in 1983 by Intel Corporation and Robert Bosch GmbH to allow microcontrollers and devices to communicate with each other without a host computer; <br>PROFIBUS (Process Field Bus) designatesa standard for field bus communication in automation technology first implemented in 1989 by BMBF, the german department of education and research; <br>Modbus designates a serial communications protocol published by Modicon in 1979 for use with its programmable logic controller; <br>LIN-Bus (Local Interconnect Network) designates a computer networking bus-system released in 1999 used within current automotive network architectures; <br>FlexRay designates an automotive network communications protocol developed by the FlexRay Consortium; <br>LON or LonWorks designates a network standard operating on twisted pair or electrical wiring or coaxial cable and used for building automation; <br>ASI or AS-Interface (Actuator Sensor Interface) designates the simplest of the industrial networking protocols used in programmable logic controller systems	H04L12/40	H04L12/40		452
H04L2012/40215	11	{Controller Area Network CAN}	H04L12/40	H04L12/40		8572
H04L2012/40221	11	{Profibus}	H04L12/40	H04L12/40		299
H04L2012/40228	11	{Modbus}	H04L12/40	H04L12/40		823
H04L2012/40234	11	{Local Interconnect Network LIN}	H04L12/40	H04L12/40		557
H04L2012/40241	11	{Flexray}	H04L12/40	H04L12/40		386
H04L2012/40247	11	{LON}	H04L12/40	H04L12/40		36
H04L2012/40254	11	{Actuator Sensor Interface ASI}	H04L12/40	H04L12/40		77
H04L2012/4026	10	{Bus for use in automation systems}	H04L12/40	H04L12/40		999
H04L2012/40267	10	{Bus for use in transportation systems}	H04L12/40	H04L12/40		180
H04L2012/40273	11	{the transportation system being a vehicle}	H04L12/40	H04L12/40		6100
H04L2012/4028	11	{the transportation system being an aircraft}	H04L12/40	H04L12/40		582
H04L2012/40286	11	{the transportation system being a waterborne vessel}	H04L12/40	H04L12/40		95
H04L2012/40293	11	{the transportation system being a train}	H04L12/40	H04L12/40		312
H04L12/403	10	with centralised control, e.g. polling	H04L12/403	H04L12/403		2984
H04L12/4035	11	{in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit (TDM/TDMA multiplex systems per seH04J3/1694; hybrid switching systems H04L12/64)}	H04L12/403	H04L12/403		464
H04L12/407	10	with decentralised control	H04L12/407	H04L12/407		454
H04L12/413	11	with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]	H04L12/413	H04L12/413		2246
H04L12/4135	12	{using bit-wise arbitration}	H04L12/413	H04L12/413		486
H04L12/417	11	with deterministic access, e.g. token passing	H04L12/417	H04L12/417		848
H04L12/42	9	Loop networks	H04L12/42	H04L12/42		2077
H04L2012/421	10	{Interconnected ring systems}	H04L12/42	H04L12/42		189
H04L12/422	10	{Synchronisation for ring networks (Time Division Multiplex ring networks, e.g. SDH/SONET H04J3/085)}	H04L12/42	H04L12/42		236
H04L12/423	10	with centralised control, e.g. polling	H04L12/423	H04L12/423		404
H04L12/427	10	with decentralised control	H04L12/427	H04L12/427		129
H04L12/43	11	with synchronous transmission, e.g. time division multiplex [TDM], slotted rings	H04L12/43	H04L12/43		559
H04L12/433	11	with asynchronous transmission, e.g. token ring, register insertion	H04L12/433	H04L12/433		891
H04L12/437	10	Ring fault isolation or reconfiguration {(for SDH/SONET ring networks H04J3/085)}	H04L12/437	H04L12/437		2337
H04L12/44	9	Star or tree networks	H04L12/44	H04L12/44		1972
H04L2012/445	10	{with switching in a hub, e.g. ETHERNET switch}	H04L12/44	H04L12/44		207
H04L12/46	9	Interconnection of networks	H04L12/46	H04L12/46		2858
H04L12/4604	10	{LAN interconnection over a backbone network, e.g. Internet, Frame Relay}	H04L12/46	H04L12/46		662
H04L12/4608	11	{LAN interconnection over ATM networks}	H04L12/46	H04L12/46		304
H04L12/4612	11	{LAN interconnection over narrowband networks, e.g. N-ISDN, PSTN, X.25}	H04L12/46	H04L12/46		106
H04L12/4616	11	{LAN interconnection over a LAN backbone}	H04L12/46	H04L12/46		101
H04L12/462	11	{LAN interconnection over a bridge based backbone}	H04L12/46	H04L12/46		1342
H04L12/4625	12	{Single bridge functionality, e.g. connection of two networks over a single bridge}	H04L12/46	H04L12/46		3134
H04L2012/4629	11	{using multilayer switching, e.g. layer 3 switching}	H04L12/46	H04L12/46		267
H04L12/4633	10	{Interconnection of networks using encapsulation techniques, e.g. tunneling}	H04L12/46	H04L12/46		7486
H04L12/4637	10	{Interconnected ring systems}	H04L12/46	H04L12/46		379
H04L12/4641	10	{Virtual LANs, VLANs, e.g. virtual private networks [VPN] (LAN interconnection over a bridge based backbone H04L12/462; encapsulation techniques H04L12/4633; routing of packets H04L45/00; packet switches H04L49/00; virtual private networks for security H04L63/0272)}<br><br><u>NOTE</u><br><br>This group covers: <br>a group of hosts with a common set of requirements that communicate as if they were attached to the same broadcast domain, regardless of their physical location. <br>This group does not cover: <br>group multicasting, which is covered by group H04L12/18<br>configuration of switches supporting VLANs, which is covered by group H04L41/08<br>multiprotocol label switching [MPLS], which is covered by group H04L45/00<br>spanning tree protocols [STP], which are covered by group H04L12/462<br>arrangements for network security, which are covered by group H04L63/0272<br>encapsulation techniques, which are covered by group H04L12/4633<br>access arrangements, which are covered by group H04L12/2856<br>In this group the following terms or expressions are used with the meaning indicated: <br>B-Tag means Backbone VLAN Tag <br>C-Tag means Customer VLAN Tag <br>GARP means Generic Attribute Registration Protocol <br>GVRP means GARP VLAN Registration Protocol <br>I-SID means Service Instance Identifier <br>MVRP means Multiple VLAN Registration Protocol <br>PBB means Provider Backbone Bridges <br>S-Tag means Service VLAN Tag <br>VLAN means Virtual Local Area Network <br>VPN means Virtual Private Network <br>VTP means VLAN Trunking Protocol	H04L12/46	H04L12/46		10049
H04L12/4645	11	{Details on frame tagging (routing of packets H04L45/00; support for virtual LAN H04L49/354)}	H04L12/46	H04L12/46		812
H04L12/465	12	{wherein a single frame includes a plurality of VLAN tags}	H04L12/46	H04L12/46		177
H04L12/4654	13	{wherein a VLAN tag represents a customer VLAN, e.g. C-Tag}	H04L12/46	H04L12/46		70
H04L12/4658	13	{wherein a VLAN tag represents a service provider backbone VLAN, e.g. B-Tag, S-Tag}	H04L12/46	H04L12/46		90
H04L12/4662	13	{wherein a VLAN tag represents a service instance, e.g. I-SID in PBB}	H04L12/46	H04L12/46		84
H04L12/4666	12	{Operational details on the addition or the stripping of a tag in a frame, e.g. at a provider edge node}	H04L12/46	H04L12/46		212
H04L12/467	11	{Arrangements for supporting untagged frames, e.g. port-based VLANs}	H04L12/46	H04L12/46		271
H04L12/4675	11	{Dynamic sharing of VLAN information amongst network nodes (configuration of the network or of network elements H04L41/08)}	H04L12/46	H04L12/46		473
H04L12/4679	12	{Arrangements for the registration or de-registration of VLAN attribute values, e.g. VLAN identifiers, port VLAN membership}	H04L12/46	H04L12/46		259
H04L12/4683	12	{characterized by the protocol used}	H04L12/46	H04L12/46		42
H04L12/4687	13	{MVRP [multiple VLAN registration protocol]}	H04L12/46	H04L12/46		19
H04L12/4691	13	{GVRP [GARP VLAN registration protocol]}	H04L12/46	H04L12/46		40
H04L12/4695	13	{VTP [VLAN trunking protocol]}	H04L12/46	H04L12/46		18
H04L12/50	8	Circuit switching systems, i.e. systems in which the path is physically permanent during the communication	H04L12/50	H04L12/50		233
H04L12/52	9	using time division techniques (in digital transmission systems H04L5/22)	H04L12/52	H04L12/52		287
H04L12/525	10	{involving a stored program control}	H04L12/52	H04L12/52		205
H04L12/54	8	Store-and-forward switching systems&#160; (packet switching systems H04L45/00, H04L47/00)	H04L12/54	H04L12/54		714
H04L12/56	9	{Packet switching systems}	H04L12/54	H04L12/56		1724
H04L12/5601	10	{Transfer mode dependent, e.g. ATM}	H04L12/54	H04L12/56		4426
H04L12/5602	11	{Bandwidth control in ATM Networks, e.g. leaky bucket}	H04L12/54	H04L12/56		1137
H04L2012/5603	11	{Access techniques}	CPCONLY	H04L2012/5603		557
H04L2012/5604	12	{Medium of transmission, e.g. fibre, cable, radio}	CPCONLY	H04L2012/5604		15
H04L2012/5605	13	{Fibre}	CPCONLY	H04L2012/5605		271
H04L2012/5606	13	{Metallic}	CPCONLY	H04L2012/5606		103
H04L2012/5607	13	{Radio}	CPCONLY	H04L2012/5607		461
H04L2012/5608	13	{Satellite}	CPCONLY	H04L2012/5608		89
H04L2012/5609	12	{Topology}	CPCONLY	H04L2012/5609		21
H04L2012/561	13	{Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics}	CPCONLY	H04L2012/561		457
H04L2012/5612	13	{Ring}	CPCONLY	H04L2012/5612		182
H04L2012/5613	13	{Bus (including DQDB)}	CPCONLY	H04L2012/5613		136
H04L2012/5614	11	{User Network Interface}	CPCONLY	H04L2012/5614		224
H04L2012/5615	12	{Network termination, e.g. NT1, NT2, PBX}	CPCONLY	H04L2012/5615		506
H04L2012/5616	12	{Terminal equipment, e.g. codecs, synch.}	CPCONLY	H04L2012/5616		644
H04L2012/5617	12	{Virtual LANs; Emulation of LANs}	CPCONLY	H04L2012/5617		135
H04L2012/5618	12	{Bridges, gateways [GW] or interworking units [IWU]}	CPCONLY	H04L2012/5618		374
H04L2012/5619	11	{Network Node Interface, e.g. tandem connections, transit switching}	CPCONLY	H04L2012/5619		556
H04L2012/562	12	{Routing}	CPCONLY	H04L2012/562		448
H04L2012/5621	12	{Virtual private network [VPN]; Private-network - network-interface (P-NNI)}	CPCONLY	H04L2012/5621		182
H04L2012/5623	12	{Network design, dimensioning, topology or optimisation}	CPCONLY	H04L2012/5623		66
H04L2012/5624	12	{Path aspects, e.g. path bundling}	CPCONLY	H04L2012/5624		200
H04L2012/5625	11	{Operations, administration and maintenance [OAM]}	CPCONLY	H04L2012/5625		611
H04L2012/5626	12	{Network management, e.g. Intelligent nets}	CPCONLY	H04L2012/5626		300
H04L2012/5627	12	{Fault tolerance and recovery}	CPCONLY	H04L2012/5627		782
H04L2012/5628	11	{Testing}	CPCONLY	H04L2012/5628		368
H04L2012/5629	11	{Admission control}	CPCONLY	H04L2012/5629		169
H04L2012/563	12	{Signalling, e.g. protocols, reference model}	CPCONLY	H04L2012/563		1052
H04L2012/5631	12	{Resource management and allocation}	CPCONLY	H04L2012/5631		340
H04L2012/5632	13	{Bandwidth allocation}	CPCONLY	H04L2012/5632		749
H04L2012/5634	14	{In-call negotiation}	CPCONLY	H04L2012/5634		117
H04L2012/5635	14	{Backpressure, e.g. for ABR}	CPCONLY	H04L2012/5635		396
H04L2012/5636	13	{Monitoring or policing, e.g. compliance with allocated rate, corrective actions}	CPCONLY	H04L2012/5636		661
H04L2012/5637	14	{Leaky Buckets}	CPCONLY	H04L2012/5637		112
H04L2012/5638	11	{Services, e.g. multimedia, GOS, QOS}	CPCONLY	H04L2012/5638		293
H04L2012/5639	12	{Tariffs or charging}	CPCONLY	H04L2012/5639		88
H04L2012/564	12	{Connection-oriented}	CPCONLY	H04L2012/564		45
H04L2012/5641	13	{Unicast/point-to-point}	CPCONLY	H04L2012/5641		61
H04L2012/5642	13	{Multicast/broadcast/point-multipoint, e.g. VOD}	CPCONLY	H04L2012/5642		348
H04L2012/5643	13	{Concast/multipoint-to-point}	CPCONLY	H04L2012/5643		51
H04L2012/5645	12	{Connectionless}	CPCONLY	H04L2012/5645		137
H04L2012/5646	12	{Cell characteristics, e.g. loss, delay, jitter, sequence integrity}	CPCONLY	H04L2012/5646		210
H04L2012/5647	13	{Cell loss}	CPCONLY	H04L2012/5647		343
H04L2012/5648	14	{Packet discarding, e.g. EPD, PTD}	CPCONLY	H04L2012/5648		153
H04L2012/5649	13	{Cell delay or jitter}	CPCONLY	H04L2012/5649		472
H04L2012/565	13	{Sequence integrity}	CPCONLY	H04L2012/565		179
H04L2012/5651	13	{Priority, marking, classes}	CPCONLY	H04L2012/5651		964
H04L2012/5652	13	{Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly}	CPCONLY	H04L2012/5652		1347
H04L2012/5653	14	{using the ATM adaptation layer [AAL]}	CPCONLY	H04L2012/5653		298
H04L2012/5654	15	{using the AAL1}	CPCONLY	H04L2012/5654		151
H04L2012/5656	15	{using the AAL2}	CPCONLY	H04L2012/5656		385
H04L2012/5657	15	{using the AAL3/4}	CPCONLY	H04L2012/5657		35
H04L2012/5658	15	{using the AAL5}	CPCONLY	H04L2012/5658		349
H04L2012/5659	15	{usint the AALX}	CPCONLY	H04L2012/5659		7
H04L2012/566	14	{using the ATM layer}	CPCONLY	H04L2012/566		42
H04L2012/5661	15	{Minicells}	CPCONLY	H04L2012/5661		29
H04L2012/5662	15	{Macrocells or frames}	CPCONLY	H04L2012/5662		51
H04L2012/5663	12	{Support of N-ISDN}	CPCONLY	H04L2012/5663		210
H04L2012/5664	12	{Support of Video, e.g. MPEG}	CPCONLY	H04L2012/5664		154
H04L2012/5665	12	{Interaction of ATM with other protocols}	CPCONLY	H04L2012/5665		469
H04L2012/5667	13	{IP over ATM}	CPCONLY	H04L2012/5667		415
H04L2012/5668	13	{Next hop resolution protocol [NHRP]}	CPCONLY	H04L2012/5668		13
H04L2012/5669	13	{Multiprotocol over ATM [MPOA]}	CPCONLY	H04L2012/5669		52
H04L2012/567	13	{Frame Relay over ATM}	CPCONLY	H04L2012/567		106
H04L2012/5671	12	{Support of voice}	CPCONLY	H04L2012/5671		395
H04L2012/5672	11	{Multiplexing, e.g. coding, scrambling}	CPCONLY	H04L2012/5672		916
H04L2012/5673	12	{Coding or scrambling}	CPCONLY	H04L2012/5673		84
H04L2012/5674	12	{Synchronisation, timing recovery or alignment}	CPCONLY	H04L2012/5674		425
H04L2012/5675	12	{Timeslot assignment, e.g. TDMA}	CPCONLY	H04L2012/5675		151
H04L2012/5676	12	{Code Division Multiple Access [CDMA]}	CPCONLY	H04L2012/5676		48
H04L2012/5678	11	{Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management}	CPCONLY	H04L2012/5678		175
H04L2012/5679	12	{Arbitration or scheduling}	CPCONLY	H04L2012/5679		1055
H04L2012/568	12	{Load balancing, smoothing or shaping}	CPCONLY	H04L2012/568		267
H04L2012/5681	12	{Buffer or queue management}	CPCONLY	H04L2012/5681		1214
H04L2012/5682	13	{Threshold; Watermark}	CPCONLY	H04L2012/5682		264
H04L2012/5683	13	{for avoiding head of line blocking}	CPCONLY	H04L2012/5683		87
H04L2012/5684	12	{Characteristics of traffic flows}	CPCONLY	H04L2012/5684		115
H04L2012/5685	11	{Addressing issues}	CPCONLY	H04L2012/5685		293
H04L2012/5686	11	{Use of neural networks}	CPCONLY	H04L2012/5686		26
H04L2012/5687	11	{Security aspects}	CPCONLY	H04L2012/5687		65
H04L12/5691	10	{Access to open networks; Ingress point selection, e.g. ISP selection}	H04L12/54	H04L12/56		159
H04L12/5692	11	{Selection among different networks}	H04L12/54	H04L12/56		1152
H04L12/64	8	Hybrid switching systems	H04L12/64	H04L12/64		752
H04L12/6402	9	{Hybrid switching fabrics}	H04L12/64	H04L12/64		185
H04L2012/6405	10	{Space}	H04L12/64	H04L12/64		2
H04L2012/6408	10	{Shared Medium, e.g. memory, bus, ring}	H04L12/64	H04L12/64		22
H04L2012/641	10	{Time switching}	H04L12/64	H04L12/64		11
H04L2012/6413	10	{Switch peripheries}	H04L12/64	H04L12/64		20
H04L2012/6416	10	{Switch multicast}	H04L12/64	H04L12/64		6
H04L12/6418	9	{Hybrid transport}	H04L12/64	H04L12/64		3597
H04L2012/6421	10	{Medium of transmission, e.g. fibre, cable, radio, satellite}	H04L12/64	H04L12/64		115
H04L2012/6424	10	{Access arrangements}	H04L12/64	H04L12/64		59
H04L2012/6427	11	{Subscriber Access Module; Concentrator; Group equipment}	H04L12/64	H04L12/64		115
H04L2012/6429	10	{Terminal adapters}	H04L12/64	H04L12/64		55
H04L2012/6432	10	{Topology}	H04L12/64	H04L12/64		8
H04L2012/6435	11	{Bus}	H04L12/64	H04L12/64		49
H04L2012/6437	11	{Ring}	H04L12/64	H04L12/64		44
H04L2012/644	11	{Star}	H04L12/64	H04L12/64		26
H04L2012/6443	10	{Network Node Interface, e.g. Routing, Path finding}	H04L12/64	H04L12/64		122
H04L2012/6445	10	{Admission control}	H04L12/64	H04L12/64		10
H04L2012/6448	11	{Medium Access Control [MAC]}	H04L12/64	H04L12/64		66
H04L2012/6451	12	{Deterministic, e.g. Token, DQDB}	H04L12/64	H04L12/64		39
H04L2012/6454	12	{Random, e.g. Ethernet}	H04L12/64	H04L12/64		72
H04L2012/6456	11	{Channel and bandwidth allocation}	H04L12/64	H04L12/64		85
H04L2012/6459	11	{Multiplexing, e.g. TDMA, CDMA}	H04L12/64	H04L12/64		204
H04L2012/6462	11	{Movable boundaries in packets or frames}	H04L12/64	H04L12/64		70
H04L2012/6464	10	{Priority}	H04L12/64	H04L12/64		93
H04L2012/6467	10	{Information loss recovery, e.g. error correction, prediction}	H04L12/64	H04L12/64		46
H04L2012/647	10	{Frame Relay, X.25}	H04L12/64	H04L12/64		39
H04L2012/6472	10	{Internet}	H04L12/64	H04L12/64		270
H04L2012/6475	10	{N-ISDN, Public Switched Telephone Network [PSTN]}	H04L12/64	H04L12/64		237
H04L2012/6478	10	{Digital subscriber line, e.g. DSL, ADSL, HDSL, XDSL, VDSL}	H04L12/64	H04L12/64		199
H04L2012/6481	10	{Speech, voice}	H04L12/64	H04L12/64		401
H04L2012/6483	10	{Video, e.g. MPEG}	H04L12/64	H04L12/64		57
H04L2012/6486	10	{Signalling Protocols}	H04L12/64	H04L12/64		166
H04L2012/6489	10	{Buffer Management, Threshold setting, Scheduling, Shaping}	H04L12/64	H04L12/64		138
H04L2012/6491	10	{Echo cancellation}	H04L12/64	H04L12/64		40
H04L2012/6494	10	{Silence suppression}	H04L12/64	H04L12/64		51
H04L2012/6497	10	{Feedback to the source}	H04L12/64	H04L12/64		12
H04L12/66	8	Arrangements for connecting between networks having differing types of switching systems, e.g. gateways	H04L12/66	H04L12/66		14730
H04L13/00	7	Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00	H04L13/00	H04L13/00		544
H04L13/02	8	Details not particular to receiver or transmitter	H04L13/02	H04L13/02		65
H04L13/04	9	Driving mechanisms; Clutches	H04L13/04	H04L13/04		177
H04L13/06	9	Tape or page guiding or feeding devices	H04L13/06	H04L13/06		607
H04L13/08	9	Intermediate storage means	H04L13/08	H04L13/08		499
H04L13/10	9	Distributors	H04L13/10	H04L13/10		66
H04L13/12	10	Non-mechanical distributors, e.g. relay distributors	H04L13/12	H04L13/12		31
H04L13/14	11	Electronic distributors	H04L13/14	H04L13/14		73
H04L13/16	8	of transmitters, e.g. code-bars, code-discs	H04L13/16	H04L13/16		244
H04L13/18	8	of receivers	H04L13/18	H04L13/18		68
H04L13/182	9	{Printing mechanisms}	H04L13/18	H04L13/18		248
H04L13/184	10	{Photographic printing and recording}	H04L13/18	H04L13/18		52
H04L13/186	9	{Page printing; tabulating}	H04L13/18	H04L13/18		147
H04L13/188	9	{Projection of the printed matter}	H04L13/18	H04L13/18		55
H04L15/00	7	Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code (teaching apparatus therefor G09B; telegraph tapping keys H01H21/86)	H04L15/00	H04L15/00		97
H04L15/03	8	Keys structurally combined with sound generators	H04L15/03	H04L15/03		4
H04L15/04	8	Apparatus or circuits at the transmitting end	H04L15/04	H04L15/04		74
H04L15/06	9	with a restricted number of keys, e.g. separate key for each type of code element	H04L15/06	H04L15/06		13
H04L15/08	10	with a single key which transmits dots in one position and dashes in a second position	H04L15/08	H04L15/08		281
H04L15/10	10	combined with perforating apparatus	H04L15/10	H04L15/10		13
H04L15/12	9	with keyboard co-operating with code-bars	H04L15/12	H04L15/12		18
H04L15/14	10	combined with perforating apparatus	H04L15/14	H04L15/14		16
H04L15/16	9	with keyboard co-operating with code discs	H04L15/16	H04L15/16		136
H04L15/18	9	Automatic transmitters, e.g. controlled by perforated tape	H04L15/18	H04L15/18		94
H04L15/20	10	with optical sensing means	H04L15/20	H04L15/20		26
H04L15/22	9	Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals	H04L15/22	H04L15/22		141
H04L15/24	8	Apparatus or circuits at the receiving end	H04L15/24	H04L15/24		58
H04L15/26	9	operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals	H04L15/26	H04L15/26		222
H04L15/28	9	Code reproducing apparatus	H04L15/28	H04L15/28		24
H04L15/285	10	{Telegraph sounders; Apparatus for acoustic reception}	H04L15/28	H04L15/28		155
H04L15/30	10	Writing recorders	H04L15/30	H04L15/30		248
H04L15/32	10	Perforating recorders	H04L15/32	H04L15/32		36
H04L15/34	9	Apparatus for recording received coded signals after translation, e.g. as type-characters	H04L15/34	H04L15/34		88
H04L17/00	7	Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code	H04L17/00	H04L17/00		256
H04L17/02	8	Apparatus or circuits at the transmitting end	H04L17/02	H04L17/02		133
H04L17/04	9	with keyboard co-operating with code-bars	H04L17/04	H04L17/04		137
H04L17/06	10	Contact operating means	H04L17/06	H04L17/06		140
H04L17/08	10	combined with perforating apparatus	H04L17/08	H04L17/08		183
H04L17/10	9	with keyboard co-operating with code-discs	H04L17/10	H04L17/10		1
H04L17/12	9	Automatic transmitters, e.g. controlled by perforated tape	H04L17/12	H04L17/12		275
H04L17/14	10	with optical sensing means	H04L17/14	H04L17/14		49
H04L17/16	8	Apparatus or circuits at the receiving end	H04L17/16	H04L17/16		189
H04L17/18	9	Code selection mechanisms	H04L17/18	H04L17/18		195
H04L17/20	9	using perforating recorders	H04L17/20	H04L17/20		189
H04L17/22	9	using mechanical translation and type-bar printing	H04L17/22	H04L17/22		213
H04L17/24	9	using mechanical translation and type-head printing, e.g. type-wheel, type-cylinder	H04L17/24	H04L17/24		331
H04L17/26	9	using aggregate motion translation	H04L17/26	H04L17/26		138
H04L17/28	9	using pneumatic or hydraulic translation	H04L17/28	H04L17/28		29
H04L17/30	9	using electric or electronic translation	H04L17/30	H04L17/30		194
H04L19/00	7	Apparatus or local circuits for step-by-step systems	H04L19/00	H04L19/00		507
H04L21/00	7	Apparatus or local circuits for mosaic printer telegraph systems	H04L21/00	H04L21/00		224
H04L21/02	8	at the transmitting end	H04L21/02	H04L21/02		67
H04L21/04	8	at the receiving end	H04L21/04	H04L21/04		113
H04L23/00	7	Apparatus or local circuits for systems other than those covered by groups H04L15/00&#160;-&#160;H04L21/00	H04L23/00	H04L23/00		77
H04L23/02	8	adapted for orthogonal signalling	H04L23/02	H04L23/02		271
H04L25/00	7	Baseband systems	H04L25/00	H04L25/00		391
H04L25/02	8	Details {; arrangements for supplying electrical power along data transmission lines (systems for transmitting signals via power distribution lines H04B3/54)}	H04L25/02	H04L25/02		1769
H04L25/0202	9	{Channel estimation}	H04L25/02	H04L25/02		2666
H04L25/0204	10	{of multiple channels}	H04L25/02	H04L25/02		4278
H04L25/021	10	{Estimation of channel covariance}	H04L25/02	H04L25/02		408
H04L25/0212	10	{of impulse response}	H04L25/02	H04L25/02		1635
H04L25/0214	11	{of a single coefficient}	H04L25/02	H04L25/02		86
H04L25/0216	11	{with estimation of channel length}	H04L25/02	H04L25/02		329
H04L25/0218	11	{with detection of nulls}	H04L25/02	H04L25/02		87
H04L25/022	10	{of frequency response}	H04L25/02	H04L25/02		1665
H04L25/0222	10	{Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency}	H04L25/02	H04L25/02		758
H04L25/0224	10	{using sounding signals}	H04L25/02	H04L25/02		4823
H04L25/0226	11	{sounding signals per se}	H04L25/02	H04L25/02		2238
H04L25/0228	11	{with direct estimation from sounding signals}	H04L25/02	H04L25/02		1693
H04L25/023	12	{with extension to other symbols}	H04L25/02	H04L25/02		240
H04L25/0232	13	{by interpolation between sounding signals}	H04L25/02	H04L25/02		845
H04L25/0234	14	{by non-linear interpolation}	H04L25/02	H04L25/02		95
H04L25/0236	13	{using estimation of the other symbols}	H04L25/02	H04L25/02		275
H04L25/0238	10	{using blind estimation}	H04L25/02	H04L25/02		309
H04L25/024	10	{channel estimation algorithms}	H04L25/02	H04L25/02		1132
H04L25/0242	11	{using matrix methods}	H04L25/02	H04L25/02		1731
H04L25/0244	12	{with inversion}	H04L25/02	H04L25/02		233
H04L25/0246	12	{with factorisation}	H04L25/02	H04L25/02		273
H04L25/0248	12	{Eigen-space methods}	H04L25/02	H04L25/02		375
H04L25/025	11	{using least-mean-square [LMS] method}	H04L25/02	H04L25/02		501
H04L25/0252	11	{using third or higher order statistics}	H04L25/02	H04L25/02		22
H04L25/0254	11	{using neural network algorithms}	H04L25/02	H04L25/02		925
H04L25/0256	11	{Channel estimation using minimum mean square error criteria}	H04L25/02	H04L25/02		721
H04L25/0258	11	{Channel estimation using zero-forcing criteria}	H04L25/02	H04L25/02		104
H04L25/026	9	{Arrangements for coupling transmitters, receivers or transceivers to transmission lines; Line drivers (duplexing arrangements H04L5/14)}	H04L25/02	H04L25/02		188
H04L25/0262	9	{Arrangements for detecting the data rate of an incoming signal}	H04L25/02	H04L25/02		540
H04L25/0264	9	{Arrangements for coupling to transmission lines (duplexing arrangements H04L5/14; line equalisers, line build-out devices H04L25/03878)}	H04L25/02	H04L25/02		380
H04L25/0266	10	{Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling}	H04L25/02	H04L25/02		890
H04L25/0268	11	{with modulation and subsequent demodulation}	H04L25/02	H04L25/02		237
H04L25/027	11	{specifically for telegraph signals (induction coil interrupters H01H51/34; dynamo-electric generators H02K)}	H04L25/02	H04L25/02		17
H04L25/0272	10	{Arrangements for coupling to multiple lines, e.g. for differential transmission}	H04L25/02	H04L25/02		2127
H04L25/0274	11	{Arrangements for ensuring balanced coupling}	H04L25/02	H04L25/02		210
H04L25/0276	11	{Arrangements for coupling common mode signals}	H04L25/02	H04L25/02		391
H04L25/0278	10	{Arrangements for impedance matching}	H04L25/02	H04L25/02		1249
H04L25/028	10	{Arrangements specific to the transmitter end}	H04L25/02	H04L25/02		1173
H04L25/0282	11	{Provision for current-mode coupling}	H04L25/02	H04L25/02		319
H04L25/0284	11	{Arrangements to ensure DC-balance}	H04L25/02	H04L25/02		83
H04L25/0286	11	{Provision of wave shaping within the driver (wave shaping per seH04L25/03834)}	H04L25/02	H04L25/02		233
H04L25/0288	12	{the shape being matched to the transmission line (pre-equalisation per seH04L25/03343)}	H04L25/02	H04L25/02		122
H04L25/029	11	{Provision of high-impedance states}	H04L25/02	H04L25/02		97
H04L25/0292	10	{Arrangements specific to the receiver end}	H04L25/02	H04L25/02		999
H04L25/0294	11	{Provision for current-mode coupling}	H04L25/02	H04L25/02		134
H04L25/0296	11	{Arrangements to ensure DC-balance}	H04L25/02	H04L25/02		80
H04L25/0298	10	{Arrangement for terminating transmission lines}	H04L25/02	H04L25/02		482
H04L25/03	9	Shaping networks in transmitter or receiver, e.g. adaptive shaping networks	H04L25/03	H04L25/03		1066
H04L25/03006	10	{Arrangements for removing intersymbol interference}	H04L25/03	H04L25/03		1912
H04L25/03012	11	{operating in the time domain (H04L25/03165, H04L25/03178 take precedence)}	H04L25/03	H04L25/03		623
H04L25/03019	12	{adaptive, i.e. capable of adjustment during data reception}	H04L25/03	H04L25/03		995
H04L25/03025	13	{using a two-tap delay line}	H04L25/03	H04L25/03		71
H04L25/03031	13	{using only passive components (H04L25/03025 takes precedence)}	H04L25/03	H04L25/03		45
H04L25/03038	13	{with a non-recursive structure (H04L25/03031 takes precedence)}	H04L25/03	H04L25/03		1136
H04L25/03044	14	{using fractionally spaced delay lines or combinations of fractionally integrally spaced taps}	H04L25/03	H04L25/03		150
H04L25/0305	14	{using blind adaptation}	H04L25/03	H04L25/03		172
H04L25/03057	13	{with a recursive structure (H04L25/03031 takes precedence)}	H04L25/03	H04L25/03		1892
H04L25/03063	14	{using fractionally spaced delay lines or combinations of fractionally and integrally spaced taps}	H04L25/03	H04L25/03		93
H04L25/0307	14	{using blind adaptation}	H04L25/03	H04L25/03		154
H04L25/03076	14	{not using decision feedback}	H04L25/03	H04L25/03		75
H04L25/03082	13	{Theoretical aspects of adaptive time domain methods}	H04L25/03	H04L25/03		40
H04L25/03089	14	{Theory of blind algorithms, recursive or not}	H04L25/03	H04L25/03		77
H04L25/03095	14	{Theory of fractional equalisers, recursive or not}	H04L25/03	H04L25/03		5
H04L25/03101	14	{Theory of the Kalman algorithm}	H04L25/03	H04L25/03		26
H04L25/03108	14	{Theory of recursive equalisers, other than Kalman}	H04L25/03	H04L25/03		10
H04L25/03114	12	{non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals}	H04L25/03	H04L25/03		152
H04L25/03121	13	{using a two-tap delay line}	H04L25/03	H04L25/03		16
H04L25/03127	13	{using only passive components (H04L25/03121 takes precedence)}	H04L25/03	H04L25/03		204
H04L25/03133	13	{with a non-recursive structure (H04L25/03127 takes precedence)}	H04L25/03	H04L25/03		361
H04L25/0314	14	{using fractionally spaced delay lines or combinations of fractionally integrally spaced taps}	H04L25/03	H04L25/03		32
H04L25/03146	13	{with a recursive structure (H04L25/03127 takes precedence)}	H04L25/03	H04L25/03		382
H04L25/03152	13	{Theoretical aspects of non-adaptive time domain methods}	H04L25/03	H04L25/03		2
H04L25/03159	11	{operating in the frequency domain (H04L25/03165, H04L25/03178 take precedence)}	H04L25/03	H04L25/03		1720
H04L25/03165	11	{using neural networks}	H04L25/03	H04L25/03		285
H04L25/03171	11	{Arrangements involving maximum a posteriori probability [MAP] detection}<br><br><u>NOTE</u><br><br>This group contains provisionally all documents which deal with turbo equalisation.	H04L25/03	H04L25/03		360
H04L25/03178	11	{Arrangements involving sequence estimation techniques}	H04L25/03	H04L25/03		440
H04L25/03184	12	{Details concerning the metric}	H04L25/03	H04L25/03		136
H04L25/03191	13	{in which the receiver makes a selection between different metrics}	H04L25/03	H04L25/03		37
H04L25/03197	13	{methods of calculation involving metrics}	H04L25/03	H04L25/03		154
H04L25/03203	12	{Trellis search techniques}	H04L25/03	H04L25/03		207
H04L25/0321	13	{Sorting arrangements therefor}	H04L25/03	H04L25/03		18
H04L25/03216	13	{using the M-algorithm}	H04L25/03	H04L25/03		66
H04L25/03222	13	{using the T-algorithm}	H04L25/03	H04L25/03		10
H04L25/03229	13	{with state-reduction using grouping of states}	H04L25/03	H04L25/03		63
H04L25/03235	13	{with state-reduction using feedback filtering}	H04L25/03	H04L25/03		65
H04L25/03242	13	{Methods involving sphere decoding}	H04L25/03	H04L25/03		204
H04L25/03248	12	{Arrangements for operating in conjunction with other apparatus}<br><br><u>NOTE</u><br><br>This group covers arrangements in which the sequence estimator is specially adapted to provide signals to, or receive signals from, the other apparatus. The group does not cover the mere juxtaposition of elements.	H04L25/03	H04L25/03		62
H04L25/03254	13	{Operation with other circuitry for removing intersymbol interference}	H04L25/03	H04L25/03		82
H04L25/03261	14	{with impulse-response shortening filters}	H04L25/03	H04L25/03		84
H04L25/03267	14	{with decision feedback equalisers}	H04L25/03	H04L25/03		403
H04L25/03273	13	{with carrier recovery circuitry}	H04L25/03	H04L25/03		80
H04L25/0328	13	{with interference cancellation circuitry (adaptations for interference cancellation within a sequence estimator H04L25/03305; interference related aspects of direct sequence spread spectrum H04B1/7097; interference related aspects of frequency hopping spread spectrum H04B1/715; see also H04B1/10)}	H04L25/03	H04L25/03		312
H04L25/03286	13	{with channel-decoding circuitry}	H04L25/03	H04L25/03		189
H04L25/03292	13	{with channel estimation circuitry}	H04L25/03	H04L25/03		324
H04L25/03299	13	{with noise-whitening circuitry}	H04L25/03	H04L25/03		119
H04L25/03305	12	{Joint sequence estimation and interference removal (joint detection of several desired signals H04L25/03331)}	H04L25/03	H04L25/03		400
H04L25/03312	12	{Arrangements specific to the provision of output signals}	H04L25/03	H04L25/03		66
H04L25/03318	13	{Provision of soft decisions}	H04L25/03	H04L25/03		414
H04L25/03324	13	{Provision of tentative decisions}	H04L25/03	H04L25/03		43
H04L25/03331	12	{Arrangements for the joint estimation of multiple sequences}	H04L25/03	H04L25/03		242
H04L25/03337	12	{Arrangements involving per-survivor processing}	H04L25/03	H04L25/03		57
H04L25/03343	11	{Arrangements at the transmitter end}	H04L25/03	H04L25/03		2476
H04L2025/0335	11	{characterised by the type of transmission}	H04L25/03	H04L25/03		7
H04L2025/03356	12	{Baseband transmission}	H04L25/03	H04L25/03		125
H04L2025/03363	13	{Multilevel (H04L2025/03369 takes precedence)}	H04L25/03	H04L25/03		131
H04L2025/03369	13	{Partial response}	H04L25/03	H04L25/03		74
H04L2025/03375	12	{Passband transmission}	H04L25/03	H04L25/03		211
H04L2025/03382	13	{Single of vestigal sideband}	H04L25/03	H04L25/03		187
H04L2025/03388	13	{ASK}	H04L25/03	H04L25/03		35
H04L2025/03394	13	{FSK}	H04L25/03	H04L25/03		18
H04L2025/03401	13	{PSK}	H04L25/03	H04L25/03		194
H04L2025/03407	14	{Continuous phase}	H04L25/03	H04L25/03		82
H04L2025/03414	13	{Multicarrier}	H04L25/03	H04L25/03		1239
H04L2025/0342	13	{QAM}	H04L25/03	H04L25/03		335
H04L2025/03426	12	{transmission using multiple-input and multiple-output channels}	H04L25/03	H04L25/03		1301
H04L2025/03433	11	{characterised by equaliser structure}	H04L25/03	H04L25/03		125
H04L2025/03439	12	{Fixed structures}	H04L25/03	H04L25/03		8
H04L2025/03445	13	{Time domain}	H04L25/03	H04L25/03		89
H04L2025/03452	14	{Systolic arrays}	H04L25/03	H04L25/03		2
H04L2025/03458	14	{Lattice}	H04L25/03	H04L25/03		19
H04L2025/03464	14	{Neural networks}	H04L25/03	H04L25/03		57
H04L2025/03471	14	{Tapped delay lines (H04L2025/03464 takes precedence)}	H04L25/03	H04L25/03		89
H04L2025/03477	15	{not time-recursive}	H04L25/03	H04L25/03		325
H04L2025/03484	15	{time-recursive}	H04L25/03	H04L25/03		66
H04L2025/0349	16	{as a feedback filter}	H04L25/03	H04L25/03		544
H04L2025/03496	16	{as a prediction filter}	H04L25/03	H04L25/03		70
H04L2025/03503	16	{as a combination of feedback and prediction filters}	H04L25/03	H04L25/03		117
H04L2025/03509	15	{fractionally spaced (H04L2025/03515 takes precedence)}	H04L25/03	H04L25/03		94
H04L2025/03515	15	{irregularly spaced}	H04L25/03	H04L25/03		4
H04L2025/03522	13	{Frequency domain}	H04L25/03	H04L25/03		322
H04L2025/03528	13	{Other transform domain}	H04L25/03	H04L25/03		20
H04L2025/03535	12	{Variable structures}	H04L25/03	H04L25/03		83
H04L2025/03541	13	{Switching between domains, e.g. between time and frequency}	H04L25/03	H04L25/03		39
H04L2025/03547	13	{Switching between time domain structures}	H04L25/03	H04L25/03		48
H04L2025/03554	14	{between neural networks and tapped delay lines}	H04L25/03	H04L25/03		1
H04L2025/0356	14	{Switching the time direction of equalisation}	H04L25/03	H04L25/03		23
H04L2025/03566	14	{between different tapped delay line structures}	H04L25/03	H04L25/03		67
H04L2025/03573	15	{between recursive and non-recursive}	H04L25/03	H04L25/03		19
H04L2025/03579	15	{Modifying the tap spacing}	H04L25/03	H04L25/03		22
H04L2025/03585	15	{Modifying the length}	H04L25/03	H04L25/03		48
H04L2025/03592	11	{Adaptation methods}	H04L25/03	H04L25/03		49
H04L2025/03598	12	{Algorithms}	H04L25/03	H04L25/03		76
H04L2025/03605	13	{Block algorithms}	H04L25/03	H04L25/03		196
H04L2025/03611	13	{Iterative algorithms}	H04L25/03	H04L25/03		260
H04L2025/03617	14	{Time recursive algorithms (H04L2025/03643 takes precedence)}	H04L25/03	H04L25/03		382
H04L2025/03624	15	{Zero-forcing}	H04L25/03	H04L25/03		114
H04L2025/0363	15	{Feature restoration, e.g. constant modulus}	H04L25/03	H04L25/03		70
H04L2025/03636	14	{Algorithms using least mean square [LMS]}	H04L25/03	H04L25/03		219
H04L2025/03643	14	{Order recursive}	H04L25/03	H04L25/03		16
H04L2025/03649	14	{Algorithms using recursive least square [RLS]}	H04L25/03	H04L25/03		35
H04L2025/03656	14	{Initialisation}	H04L25/03	H04L25/03		47
H04L2025/03662	15	{to a fixed value}	H04L25/03	H04L25/03		46
H04L2025/03668	15	{to the value at the end of a previous adaptation period}	H04L25/03	H04L25/03		34
H04L2025/03675	13	{Blind algorithms using gradient methods}	H04L25/03	H04L25/03		31
H04L2025/03681	13	{Control of adaptation}	H04L25/03	H04L25/03		102
H04L2025/03687	14	{of step size}	H04L25/03	H04L25/03		98
H04L2025/03694	15	{Stop and go}	H04L25/03	H04L25/03		31
H04L2025/037	14	{Detection of convergence state}	H04L25/03	H04L25/03		75
H04L2025/03707	14	{Detection or avoidance of local extrema}	H04L25/03	H04L25/03		18
H04L2025/03713	13	{Subspace algorithms}	H04L25/03	H04L25/03		8
H04L2025/03719	13	{Super-exponential}	H04L25/03	H04L25/03		
H04L2025/03726	12	{Switching between algorithms}	H04L25/03	H04L25/03		99
H04L2025/03732	13	{according to the convergence state}	H04L25/03	H04L25/03		43
H04L2025/03738	12	{Manual adaptation}	H04L25/03	H04L25/03		1
H04L2025/03745	12	{Timing of adaptation}	H04L25/03	H04L25/03		57
H04L2025/03751	13	{only once, at installation (H04L2025/03738 takes precedence)}	H04L25/03	H04L25/03		9
H04L2025/03757	13	{only on the request of a user}	H04L25/03	H04L25/03		2
H04L2025/03764	13	{only during predefined intervals}	H04L25/03	H04L25/03		23
H04L2025/0377	14	{during the reception of training signals}	H04L25/03	H04L25/03		133
H04L2025/03777	11	{characterised by the signalling}	H04L25/03	H04L25/03		29
H04L2025/03783	12	{Details of reference signals}	H04L25/03	H04L25/03		86
H04L2025/03789	13	{Codes therefore}	H04L25/03	H04L25/03		58
H04L2025/03796	13	{Location of reference signals}	H04L25/03	H04L25/03		76
H04L2025/03802	12	{Signalling on the reverse channel}	H04L25/03	H04L25/03		313
H04L2025/03808	13	{Transmission of equaliser coefficients}	H04L25/03	H04L25/03		224
H04L2025/03815	13	{Transmission of a training request}	H04L25/03	H04L25/03		49
H04L25/03821	11	{Inter-carrier interference cancellation [ICI]}	H04L25/03	H04L25/03		514
H04L25/03828	10	{Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties (partial response systems H04L25/497)}	H04L25/03	H04L25/03		417
H04L25/03834	11	{using pulse shaping}	H04L25/03	H04L25/03		887
H04L25/0384	12	{Design of pulse shapes (pulse shape for impulse radio H04B1/7172)}	H04L25/03	H04L25/03		69
H04L25/03847	12	{Shaping by selective switching of amplifying elements}	H04L25/03	H04L25/03		31
H04L25/03853	12	{Shaping by digital methods other than look up tables or up/down converters}	H04L25/03	H04L25/03		66
H04L25/03859	12	{shaping using look up tables for partial waveforms}	H04L25/03	H04L25/03		37
H04L25/03866	11	{using scrambling}	H04L25/03	H04L25/03		979
H04L25/03872	12	{Parallel scrambling or descrambling}	H04L25/03	H04L25/03		104
H04L25/03878	10	{Line equalisers; line build-out devices}	H04L25/03	H04L25/03		887
H04L25/03885	11	{adaptive}	H04L25/03	H04L25/03		933
H04L25/03891	10	{Spatial equalizers (MIMO diversity systems H04B7/0413)}	H04L25/03	H04L25/03		528
H04L25/03898	11	{codebook-based design (selection of codebook or precoding matrix for MIMO diversity systems H04B7/0456)}	H04L25/03	H04L25/03		295
H04L25/03904	12	{cooperative design, e.g. exchanging of codebook information between base stations}	H04L25/03	H04L25/03		64
H04L25/0391	12	{construction details of matrices}	H04L25/03	H04L25/03		201
H04L25/03917	13	{according to the size of the codebook}	H04L25/03	H04L25/03		7
H04L25/03923	13	{according to the rank}	H04L25/03	H04L25/03		55
H04L25/03929	12	{with layer mapping, e.g. codeword-to layer design (for space-time coding H04L1/0618)}	H04L25/03	H04L25/03		90
H04L25/03936	12	{multi-resolution codebooks}	H04L25/03	H04L25/03		17
H04L25/03942	12	{switching between different codebooks}	H04L25/03	H04L25/03		50
H04L25/03949	11	{equalizer selection or adaptation based on feedback (multiple signaling inclusive of a precoding command for adapting the transmitter H04L1/0031; feedback for transmit diversity systems H04B7/0619; selection of codebook or precoding matrix for MIMO diversity systems H04B7/0456)}	H04L25/03	H04L25/03		215
H04L25/03955	12	{in combination with downlink estimations, e.g. downlink path losses}	H04L25/03	H04L25/03		74
H04L25/03961	11	{design criteria}	H04L25/03	H04L25/03		42
H04L25/03968	12	{mean-square error [MSE]}	H04L25/03	H04L25/03		131
H04L25/03974	12	{throughput maximization}	H04L25/03	H04L25/03		19
H04L25/0398	10	{Restoration of channel reciprocity}	H04L25/03	H04L25/03		56
H04L25/03987	10	{Equalisation for sparse channels}	H04L25/03	H04L25/03		86
H04L25/03993	10	{Noise whitening}	H04L25/03	H04L25/03		154
H04L25/05	9	Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate	H04L25/05	H04L25/05		608
H04L25/06	9	DC level restoring means; Bias distortion correction {; Decision circuits providing symbol by symbol detection}	H04L25/06	H04L25/06		645
H04L25/061	10	{providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset (removal of DC offset in coupling arrangements H04L25/029, H04L25/0296)}	H04L25/06	H04L25/06		802
H04L25/062	11	{Setting decision thresholds using feedforward techniques only}	H04L25/06	H04L25/06		616
H04L25/063	11	{Setting decision thresholds using feedback techniques only}	H04L25/06	H04L25/06		392
H04L25/064	12	{Subtraction of the threshold from the signal, which is then compared to a supplementary fixed threshold}	H04L25/06	H04L25/06		55
H04L25/065	11	{Binary decisions}	H04L25/06	H04L25/06		125
H04L25/066	11	{Multilevel decisions, not including self-organising maps}	H04L25/06	H04L25/06		81
H04L25/067	10	{providing soft decisions, i.e. decisions together with an estimate of reliability (H04L25/068 and H04L25/069 take precedence; sequence estimation techniques H04L25/03178)}	H04L25/06	H04L25/06		1173
H04L25/068	10	{by sampling faster than the nominal bit rate}	H04L25/06	H04L25/06		225
H04L25/069	10	{by detecting edges or zero crossings}	H04L25/06	H04L25/06		141
H04L25/08	9	Modifications for reducing interference; Modifications for reducing effects due to line faults {; Receiver end arrangements for detecting or overcoming line faults}	H04L25/08	H04L25/08		984
H04L25/085	10	{Arrangements for reducing interference in line transmission systems, e.g. by differential transmission}	H04L25/08	H04L25/08		634
H04L25/10	9	Compensating for variations in line balance	H04L25/10	H04L25/10		109
H04L25/12	9	Compensating for variations in line impedance	H04L25/12	H04L25/12		196
H04L25/14	9	Channel dividing arrangements {, i.e. in which a single bit stream is divided between several baseband channels and reassembled at the receiver}	H04L25/14	H04L25/14		1204
H04L25/20	9	Repeater circuits; Relay circuits	H04L25/20	H04L25/20		350
H04L25/202	10	{using mechanical devices (H04L25/205 takes precedence)}	H04L25/20	H04L25/20		90
H04L25/205	10	{using tuning forks or vibrating reeds}	H04L25/20	H04L25/20		44
H04L25/207	10	{using electromagnetic switches}	H04L25/20	H04L25/20		206
H04L25/22	10	Repeaters for converting two wires to four wires; Repeaters for converting single current to double current	H04L25/22	H04L25/22		209
H04L25/24	10	Relay circuits using discharge tubes or semiconductor devices {(H04L25/22 takes precedence)}	H04L25/24	H04L25/24		371
H04L25/242	11	{with retiming}	H04L25/24	H04L25/24		260
H04L25/245	12	{for start-stop signals (detection of start or stop bits H04J3/0602)}	H04L25/24	H04L25/24		113
H04L25/247	12	{for synchronous signals}	H04L25/24	H04L25/24		38
H04L25/26	10	Circuits with optical sensing means {, i.e. using opto-couplers for isolation}	H04L25/26	H04L25/26		213
H04L25/38	8	Synchronous or start-stop systems, e.g. for Baudot code	H04L25/38	H04L25/38		100
H04L25/40	9	Transmitting circuits; Receiving circuits {(repeater circuits, relay circuits H04L25/20)}	H04L25/40	H04L25/40		350
H04L25/42	10	using mechanical distributors	H04L25/42	H04L25/42		131
H04L25/44	10	using relay distributors	H04L25/44	H04L25/44		32
H04L25/45	10	using electronic distributors	H04L25/45	H04L25/45		347
H04L25/46	10	using tuning forks or vibrating reeds	H04L25/46	H04L25/46		23
H04L25/49	10	using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels {; Baseband coding techniques specific to data transmission systems (spectral shaping H04L25/03828)}	H04L25/49	H04L25/49		1294
H04L25/4902	11	{Pulse width modulation; Pulse position modulation}	H04L25/49	H04L25/49		1638
H04L25/4904	11	{using self-synchronising codes, e.g. split-phase codes}	H04L25/49	H04L25/49		995
H04L25/4906	11	{using binary codes}	H04L25/49	H04L25/49		494
H04L25/4908	12	{using mBnB codes}	H04L25/49	H04L25/49		578
H04L25/491	13	{using 1B2B codes}	H04L25/49	H04L25/49		47
H04L25/4912	14	{using CMI or 2-HDB-3 code}	H04L25/49	H04L25/49		113
H04L25/4915	12	{using pattern inversion or substitution (H04L25/4908 takes precedence)}	H04L25/49	H04L25/49		126
H04L25/4917	11	{using multilevel codes}	H04L25/49	H04L25/49		920
H04L25/4919	12	{using balanced multilevel codes (H04L25/4927 takes precedence)}	H04L25/49	H04L25/49		159
H04L25/4921	13	{using quadrature encoding, e.g. carrierless amplitude-phase coding}	H04L25/49	H04L25/49		79
H04L25/4923	12	{using ternary codes (H04L25/4927 takes precedence)}	H04L25/49	H04L25/49		214
H04L25/4925	13	{using balanced bipolar ternary codes}	H04L25/49	H04L25/49		327
H04L25/4927	12	{using levels matched to the quantisation levels of the channel}	H04L25/49	H04L25/49		267
H04L25/493	11	by transition coding, i.e. the time-position or direction of a transition being encoded before transmission	H04L25/493	H04L25/493		287
H04L25/497	11	by correlative coding, e.g. partial response coding or echo modulation coding {transmitters and receivers for partial response systems (transversal equalizers at the transmitter end H04L25/03343)}	H04L25/497	H04L25/497		635
H04L25/4975	12	{Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS}	H04L25/497	H04L25/497		139
H04L27/00	7	Modulated-carrier systems	H04L27/00	H04L27/00		1704
H04L27/0002	8	{analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line (duplex arrangements H04L5/143)}	H04L27/00	H04L27/00		647
H04L27/0004	8	{using wavelets}	H04L27/00	H04L27/00		209
H04L27/0006	8	{Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio (for spectrum sharing between different networks H04W16/14)}	H04L27/00	H04L27/00		1752
H04L27/0008	8	{arrangements for allowing a transmitter or receiver to use more than one type of modulation (negotiating modulation type for two-way transmission paths H04L5/1453)}	H04L27/00	H04L27/00		2097
H04L27/001	8	{using chaotic signals (for secret or secure communication H04L9/001)}	H04L27/00	H04L27/00		304
H04L27/0012	8	{arrangements for identifying the type of modulation}	H04L27/00	H04L27/00		1583
H04L27/0014	8	{Carrier regulation (of chaotic carriers H04L27/001; for multicarrier receivers H04L27/2657)}	H04L27/00	H04L27/00		3119
H04L2027/0016	9	{Stabilisation of local oscillators}	H04L27/00	H04L27/00		427
H04L2027/0018	9	{Arrangements at the transmitter end}	H04L27/00	H04L27/00		227
H04L2027/002	10	{using feedback from a remote receiver}	H04L27/00	H04L27/00		50
H04L2027/0022	10	{using the carrier of the associated receiver of a transceiver}	H04L27/00	H04L27/00		48
H04L2027/0024	9	{at the receiver end}	H04L27/00	H04L27/00		303
H04L2027/0026	10	{Correction of carrier offset}	H04L27/00	H04L27/00		1609
H04L2027/0028	11	{at passband only}	H04L27/00	H04L27/00		322
H04L2027/003	11	{at baseband only}	H04L27/00	H04L27/00		592
H04L2027/0032	11	{at baseband and passband}	H04L27/00	H04L27/00		108
H04L2027/0034	11	{using hypothesis testing}	H04L27/00	H04L27/00		80
H04L2027/0036	11	{using a recovered symbol clock}	H04L27/00	H04L27/00		148
H04L2027/0038	11	{using an equaliser}	H04L27/00	H04L27/00		124
H04L2027/004	12	{the equaliser providing control signals}	H04L27/00	H04L27/00		30
H04L2027/0042	12	{the equaliser providing the offset correction per se}	H04L27/00	H04L27/00		67
H04L2027/0044	9	{Control loops for carrier regulation}	H04L27/00	H04L27/00		29
H04L2027/0046	10	{Open loops}	H04L27/00	H04L27/00		254
H04L2027/0048	11	{Frequency multiplication}	H04L27/00	H04L27/00		95
H04L2027/0051	11	{Harmonic tracking}	H04L27/00	H04L27/00		65
H04L2027/0053	10	{Closed loops}	H04L27/00	H04L27/00		224
H04L2027/0055	11	{single phase}	H04L27/00	H04L27/00		323
H04L2027/0057	11	{quadrature phase}	H04L27/00	H04L27/00		466
H04L2027/0059	11	{more than two phases}	H04L27/00	H04L27/00		24
H04L2027/0061	11	{remodulation}	H04L27/00	H04L27/00		33
H04L2027/0063	10	{Elements of loops}	H04L27/00	H04L27/00		26
H04L2027/0065	11	{Frequency error detectors (H04L2027/0067 takes precedence)}	H04L27/00	H04L27/00		487
H04L2027/0067	11	{Phase error detectors}	H04L27/00	H04L27/00		750
H04L2027/0069	11	{Loop filters}	H04L27/00	H04L27/00		190
H04L2027/0071	10	{Control of loops}	H04L27/00	H04L27/00		32
H04L2027/0073	11	{Detection of synchronisation state}	H04L27/00	H04L27/00		87
H04L2027/0075	11	{Error weighting}	H04L27/00	H04L27/00		36
H04L2027/0077	12	{stop and go}	H04L27/00	H04L27/00		18
H04L2027/0079	11	{Switching between loops}	H04L27/00	H04L27/00		41
H04L2027/0081	12	{between loops of different bandwidths}	H04L27/00	H04L27/00		67
H04L2027/0083	9	{Signalling arrangements}	H04L27/00	H04L27/00		43
H04L2027/0085	10	{with no special signals for synchronisation}	H04L27/00	H04L27/00		59
H04L2027/0087	10	{Out-of-band signals, (e.g. pilots)}	H04L27/00	H04L27/00		163
H04L2027/0089	10	{In-band signals}	H04L27/00	H04L27/00		42
H04L2027/0091	11	{Continuous signals}	H04L27/00	H04L27/00		29
H04L2027/0093	11	{Intermittant signals}	H04L27/00	H04L27/00		85
H04L2027/0095	12	{in a preamble or similar structure}	H04L27/00	H04L27/00		309
H04L2027/0097	10	{Adaptive synchronisation signals}	H04L27/00	H04L27/00		29
H04L27/01	8	Equalisers {(baseband equalizers at the transmitter end H04L25/03343; in analogue transmission systems H04B3/04, H04B7/005)}	H04L27/01	H04L27/01		1140
H04L27/02	8	Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation (H04L27/32 takes precedence)	H04L27/02	H04L27/02		1333
H04L27/04	9	Modulator circuits; Transmitter circuits	H04L27/04	H04L27/04		1672
H04L27/06	9	Demodulator circuits; Receiver circuits	H04L27/06	H04L27/06		1334
H04L27/063	10	{Superheterodyne receivers}	H04L27/06	H04L27/06		92
H04L27/066	10	{Carrier recovery circuits (H04L27/2271 takes precedence)}	H04L27/06	H04L27/06		316
H04L27/08	9	Amplitude regulation arrangements	H04L27/08	H04L27/08		362
H04L27/10	8	Frequency-modulated carrier systems, i.e. using frequency-shift keying (H04L27/32 takes precedence)	H04L27/10	H04L27/10		1191
H04L27/103	9	{Chirp modulation (for spread spectrum techniques H04B1/69)}	H04L27/10	H04L27/10		271
H04L27/106	9	{M-ary FSK}	H04L27/10	H04L27/10		174
H04L27/12	9	Modulator circuits; Transmitter circuits	H04L27/12	H04L27/12		1335
H04L27/122	10	{using digital generation of carrier signals (digital function generators G06F1/02, H04L17/10; generating pulses having stepped portions using digital techniques H03K4/026)}	H04L27/12	H04L27/12		228
H04L27/125	10	{using a controlled oscillator in an open loop}	H04L27/12	H04L27/12		16
H04L27/127	10	{using a controlled oscillator in a feedback loop}	H04L27/12	H04L27/12		21
H04L27/14	9	Demodulator circuits; Receiver circuits	H04L27/14	H04L27/14		1223
H04L27/142	10	{Compensating direct current components occurring during the demodulation and which are caused by mistuning}	H04L27/14	H04L27/14		116
H04L27/144	10	with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements	H04L27/144	H04L27/144		188
H04L27/148	11	using filters, including PLL-type filters	H04L27/148	H04L27/148		322
H04L27/152	11	using controlled oscillators, e.g. PLL arrangements	H04L27/152	H04L27/152		125
H04L27/1525	12	{using quadrature demodulation}	H04L27/152	H04L27/152		214
H04L27/156	10	with demodulation using temporal properties of the received signal, e.g. detecting pulse width	H04L27/156	H04L27/156		270
H04L27/1563	11	{using transition or level detection}	H04L27/156	H04L27/156		343
H04L27/1566	11	{using synchronous sampling}	H04L27/156	H04L27/156		104
H04L27/16	9	Frequency regulation arrangements	H04L27/16	H04L27/16		364
H04L27/18	8	Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence)	H04L27/18	H04L27/18		1287
H04L27/183	9	{Multiresolution systems}	H04L27/18	H04L27/18		206
H04L27/186	9	{in which the information is carried by both the individual signal points and the subset to which the individual signal points belong, e.g. coset coding or related schemes}	H04L27/18	H04L27/18		135
H04L27/20	9	Modulator circuits; Transmitter circuits	H04L27/20	H04L27/20		1178
H04L27/2003	10	{for continuous phase modulation (frequency shift keying H04L27/10)}	H04L27/20	H04L27/20		213
H04L27/2007	11	{in which the phase change within each symbol period is constrained (coset coding H04L27/186)}	H04L27/20	H04L27/20		35
H04L27/201	12	{in which the allowed phase changes vary with time, e.g. multi-h modulation}	H04L27/20	H04L27/20		17
H04L27/2014	12	{in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying (H04L27/201 takes precedence)}	H04L27/20	H04L27/20		167
H04L27/2017	12	{in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation (H04L27/201 takes precedence)}	H04L27/20	H04L27/20		342
H04L27/2021	11	{in which the phase change per symbol period is not constrained}	H04L27/20	H04L27/20		4
H04L27/2025	12	{in which the phase changes in a piecewise linear manner within each symbol period}	H04L27/20	H04L27/20		90
H04L27/2028	12	{in which the phase changes are non-linear}	H04L27/20	H04L27/20		20
H04L27/2032	10	{for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner}	H04L27/20	H04L27/20		104
H04L27/2035	11	{using a single or unspecified number of carriers}	H04L27/20	H04L27/20		252
H04L27/2039	12	{using microwave technology}	H04L27/20	H04L27/20		47
H04L27/2042	12	{with more than two phase states}	H04L27/20	H04L27/20		49
H04L27/2046	13	{in which the data are represented by carrier phase}	H04L27/20	H04L27/20		51
H04L27/205	13	{in which the data are represented by the change in phase of the carrier}	H04L27/20	H04L27/20		57
H04L27/2053	11	{using more than one carrier, e.g. carriers with different phases}	H04L27/20	H04L27/20		125
H04L27/2057	12	{with a separate carrier for each phase state}	H04L27/20	H04L27/20		94
H04L27/206	12	{using a pair of orthogonal carriers, e.g. quadrature carriers}	H04L27/20	H04L27/20		293
H04L27/2064	13	{using microwave technology}	H04L27/20	H04L27/20		31
H04L27/2067	13	{with more than two phase states (H04L27/2064 takes precedence)}	H04L27/20	H04L27/20		100
H04L27/2071	14	{in which the data are represented by the carrier phase, e.g. systems with differential coding}	H04L27/20	H04L27/20		355
H04L27/2075	14	{in which the data are represented by the change in carrier phase}	H04L27/20	H04L27/20		75
H04L27/2078	14	{in which the phase change per symbol period is constrained (coset coding H04L27/186)}	H04L27/20	H04L27/20		49
H04L27/2082	15	{for offset or staggered quadrature phase shift keying}	H04L27/20	H04L27/20		121
H04L27/2085	14	{with more than one phase shift per symbol period}	H04L27/20	H04L27/20		25
H04L27/2089	14	{with unbalanced quadrature channels}	H04L27/20	H04L27/20		46
H04L27/2092	11	{with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)}	H04L27/20	H04L27/20		136
H04L27/2096	10	{Arrangements for directly or externally modulating an optical carrier (optical modulation H04B10/503)}	H04L27/20	H04L27/20		203
H04L27/22	9	Demodulator circuits; Receiver circuits	H04L27/22	H04L27/22		1494
H04L27/223	10	{Demodulation in the optical domain (optical demodulation H04B10/676)}	H04L27/22	H04L27/22		173
H04L27/227	10	using coherent demodulation	H04L27/227	H04L27/227		348
H04L27/2271	11	{wherein the carrier recovery circuit uses only the demodulated signals}	H04L27/227	H04L27/227		70
H04L27/2272	12	{using phase locked loops (H04L27/2273 takes precedence)}	H04L27/227	H04L27/227		258
H04L27/2273	12	{associated with quadrature demodulation, e.g. Costas loop}	H04L27/227	H04L27/227		617
H04L27/2275	11	{wherein the carrier recovery circuit uses the received modulated signals}	H04L27/227	H04L27/227		287
H04L27/2276	12	{using frequency multiplication or harmonic tracking}	H04L27/227	H04L27/227		207
H04L27/2277	12	{using remodulation}	H04L27/227	H04L27/227		72
H04L27/2278	12	{using correlation techniques, e.g. for spread spectrum signals}	H04L27/227	H04L27/227		191
H04L27/233	10	using non-coherent demodulation	H04L27/233	H04L27/233		236
H04L27/2331	11	{wherein the received signal is demodulated using one or more delayed versions of itself}	H04L27/233	H04L27/233		351
H04L27/2332	11	{using a non-coherent carrier}	H04L27/233	H04L27/233		632
H04L27/2334	11	{using filters}	H04L27/233	H04L27/233		152
H04L27/2335	11	{using temporal properties of the received signal}	H04L27/233	H04L27/233		58
H04L27/2337	12	{using digital techniques to measure the time between zero-crossings}	H04L27/233	H04L27/233		77
H04L27/2338	11	{using sampling (H04L27/2331&#160;-&#160;H04L27/2335 take precedence)}	H04L27/233	H04L27/233		201
H04L27/24	9	Half-wave signalling systems	H04L27/24	H04L27/24		151
H04L27/26	8	Systems using multi-frequency codes (H04L27/32 takes precedence)	H04L27/26	H04L27/26		4723
H04L27/2601	9	{Multicarrier modulation systems}	H04L27/26	H04L27/26		3322
H04L27/2602	10	{Signal structure}	H04L27/26	H04L27/26		4787
H04L27/26025	11	{Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)}	H04L27/26	H04L27/26		2626
H04L27/2603	11	{Signal structure ensuring backward compatibility with legacy system}	H04L27/26	H04L27/26		777
H04L27/26035	11	{Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences (using different training sequence per antenna H04B7/0684; code allocation H04J13/16)}	H04L27/26	H04L27/26		419
H04L27/2604	11	{Multiresolution systems (by means of multiresolution subcarriers H04L27/183, H04L27/3488)}	H04L27/26	H04L27/26		198
H04L27/2605	11	{Symbol extensions, e.g. Zero Tail, Unique Word [UW]}	H04L27/26	H04L27/26		1220
H04L27/2607	12	{Cyclic extensions}	H04L27/26	H04L27/26		2634
H04L27/261	11	{Details of reference signals}	H04L27/26	H04L27/26		2250
H04L27/2613	12	{Structure of the reference signals}	H04L27/26	H04L27/26		4242
H04L27/26132	13	{using repetition}	H04L27/26	H04L27/26		575
H04L27/26134	13	{Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain}	H04L27/26	H04L27/26		748
H04L27/26136	13	{Pilot sequence conveying additional information}	H04L27/26	H04L27/26		445
H04L27/2614	10	{Peak power aspects}	H04L27/26	H04L27/26		2037
H04L27/2615	11	{Reduction thereof using coding}	H04L27/26	H04L27/26		378
H04L27/2617	12	{using block codes}	H04L27/26	H04L27/26		105
H04L27/2618	11	{Reduction thereof using auxiliary subcarriers}	H04L27/26	H04L27/26		310
H04L27/262	11	{Reduction thereof by selection of pilot symbols}	H04L27/26	H04L27/26		292
H04L27/2621	11	{Reduction thereof using phase offsets between subcarriers}	H04L27/26	H04L27/26		449
H04L27/2623	11	{Reduction thereof by clipping}	H04L27/26	H04L27/26		449
H04L27/2624	12	{by soft clipping}	H04L27/26	H04L27/26		255
H04L27/2626	10	{Arrangements specific to the transmitter only}	H04L27/26	H04L27/26		1680
H04L27/26265	11	{Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding}	H04L27/26	H04L27/26		261
H04L27/2627	11	{Modulators}	H04L27/26	H04L27/26		1282
H04L27/2628	12	{Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators (H04L27/2634 takes precedence)}	H04L27/26	H04L27/26		1217
H04L27/263	13	{modification of IFFT/IDFT modulator for performance improvement}	H04L27/26	H04L27/26		170
H04L27/2631	13	{with polyphase implementation}	H04L27/26	H04L27/26		71
H04L27/2633	13	{using partial FFTs}	H04L27/26	H04L27/26		75
H04L27/2634	12	{Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation}	H04L27/26	H04L27/26		742
H04L27/2636	13	{with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]}	H04L27/26	H04L27/26		1465
H04L27/26362	13	{Subcarrier weighting equivalent to time domain filtering, e.g. weighting per subcarrier multiplication (arrangements for removing intersymbol interference at the transmitter end H04L25/03343)}	H04L27/26	H04L27/26		110
H04L27/2637	12	{with direct modulation of individual subcarriers}	H04L27/26	H04L27/26		206
H04L27/2639	12	{Modulators using other transforms, e.g. discrete cosine transforms, Orthogonal Time Frequency and Space [OTFS] or hermetic transforms}	H04L27/26	H04L27/26		350
H04L27/264	12	{Pulse-shaped multi-carrier, i.e. not using rectangular window}	H04L27/26	H04L27/26		191
H04L27/26412	13	{Filtering over the entire frequency band, e.g. filtered orthogonal frequency-division multiplexing [OFDM]}	H04L27/26	H04L27/26		113
H04L27/26414	13	{Filtering per subband or per resource block, e.g. universal filtered multicarrier [UFMC] or generalized frequency division multiplexing [GFDM]}	H04L27/26	H04L27/26		100
H04L27/26416	13	{Filtering per subcarrier, e.g. filterbank multicarrier [FBMC]}	H04L27/26	H04L27/26		221
H04L27/2642	12	{Wavelet transform modulators (wavelet-division H04L5/0008)}	H04L27/26	H04L27/26		42
H04L27/2643	12	{using symbol repetition, e.g. time domain realization of distributed FDMA}	H04L27/26	H04L27/26		62
H04L27/2644	12	{with oversampling}	H04L27/26	H04L27/26		101
H04L27/2646	11	{using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length}	H04L27/26	H04L27/26		871
H04L27/2647	10	{Arrangements specific to the receiver only (equalisation H04L27/01)}	H04L27/26	H04L27/26		3888
H04L27/2649	11	{Demodulators}	H04L27/26	H04L27/26		803
H04L27/265	12	{Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators (H04L27/26524 takes precedence)}	H04L27/26	H04L27/26		1156
H04L27/2651	13	{Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement}	H04L27/26	H04L27/26		238
H04L27/2652	13	{with polyphase implementation}	H04L27/26	H04L27/26		51
H04L27/26522	13	{using partial FFTs}	H04L27/26	H04L27/26		61
H04L27/26524	12	{Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation}	H04L27/26	H04L27/26		325
H04L27/26526	13	{with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]}	H04L27/26	H04L27/26		371
H04L27/2653	12	{with direct demodulation of individual subcarriers}	H04L27/26	H04L27/26		118
H04L27/26532	12	{Demodulators using other transforms, e.g. discrete cosine transforms, Orthogonal Time Frequency and Space [OTFS] or hermetic transforms}	H04L27/26	H04L27/26		162
H04L27/26534	12	{Pulse-shaped multi-carrier, i.e. not using rectangular window}	H04L27/26	H04L27/26		25
H04L27/26536	13	{Filtering over the entire frequency band, e.g. filtered orthogonal frequency division multiplexing [OFDM]}	H04L27/26	H04L27/26		39
H04L27/26538	13	{Filtering per subband or per resource block, e.g. universal filtered multicarrier [UFMC] or generalized frequency division multiplexing [GFDM]}	H04L27/26	H04L27/26		74
H04L27/2654	13	{Filtering per subcarrier, e.g. filterbank multicarrier [FBMC]}	H04L27/26	H04L27/26		185
H04L27/26542	12	{Wavelet transform demodulators&#160; (wavelet-division &#160;H04L5/0008)}	H04L27/26	H04L27/26		10
H04L27/26544	12	{Demodulators for signals generated by symbol repetition (synchronisation arrangements H04L27/2655)}	H04L27/26	H04L27/26		3
H04L27/26546	12	{with oversampling}	H04L27/26	H04L27/26		14
H04L27/2655	11	{Synchronisation arrangements}	H04L27/26	H04L27/26		1237
H04L27/2656	12	{Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation}	H04L27/26	H04L27/26		1350
H04L27/2657	12	{Carrier synchronisation}	H04L27/26	H04L27/26		2639
H04L27/2659	13	{Coarse or integer frequency offset determination and synchronisation}	H04L27/26	H04L27/26		572
H04L27/266	13	{Fine or fractional frequency offset determination and synchronisation}	H04L27/26	H04L27/26		637
H04L27/2662	12	{Symbol synchronisation}	H04L27/26	H04L27/26		1707
H04L27/2663	13	{Coarse synchronisation, e.g. by correlation}	H04L27/26	H04L27/26		544
H04L27/2665	13	{Fine synchronisation, e.g. by positioning the FFT window}	H04L27/26	H04L27/26		487
H04L27/2666	12	{Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length}	H04L27/26	H04L27/26		1073
H04L27/2668	12	{Details of algorithms}	H04L27/26	H04L27/26		57
H04L27/2669	13	{characterised by the domain of operation}	H04L27/26	H04L27/26		49
H04L27/2671	14	{Time domain}	H04L27/26	H04L27/26		389
H04L27/2672	14	{Frequency domain}	H04L27/26	H04L27/26		431
H04L27/2673	13	{characterised by synchronisation parameters}	H04L27/26	H04L27/26		47
H04L27/2675	14	{Pilot or known symbols}	H04L27/26	H04L27/26		2088
H04L27/2676	14	{Blind, i.e. without using known symbols}	H04L27/26	H04L27/26		265
H04L27/2678	15	{using cyclostationarities, e.g. cyclic prefix or postfix}	H04L27/26	H04L27/26		554
H04L27/2679	15	{Decision-aided}	H04L27/26	H04L27/26		203
H04L27/2681	13	{characterised by constraints}	H04L27/26	H04L27/26		4
H04L27/2682	14	{Precision}	H04L27/26	H04L27/26		51
H04L27/2684	14	{Complexity}	H04L27/26	H04L27/26		126
H04L27/2685	14	{Speed of convergence}	H04L27/26	H04L27/26		57
H04L27/2686	14	{Range of frequencies or delays tested}	H04L27/26	H04L27/26		74
H04L27/2688	14	{Resistance to perturbation, e.g. noise, interference or fading}	H04L27/26	H04L27/26		363
H04L27/26885	14	{Adaptation to rapid radio propagation changes, e.g. due to velocity}	H04L27/26	H04L27/26		19
H04L27/2689	12	{Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation}	H04L27/26	H04L27/26		64
H04L27/2691	13	{involving interference determination or cancellation}	H04L27/26	H04L27/26		782
H04L27/2692	13	{with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver}	H04L27/26	H04L27/26		785
H04L27/2694	14	{adaptive design}	H04L27/26	H04L27/26		23
H04L27/2695	13	{with channel estimation, e.g. determination of delay spread, derivative or peak tracking (channel estimation H04L25/0202)}	H04L27/26	H04L27/26		1415
H04L27/2697	10	{in combination with other modulation techniques}	H04L27/26	H04L27/26		566
H04L27/2698	11	{double density OFDM/OQAM system, e.g. OFDM/OQAM-IOTA system}	H04L27/26	H04L27/26		204
H04L27/28	9	with simultaneous transmission of different frequencies each representing one code element	H04L27/28	H04L27/28		174
H04L27/30	9	wherein each code element is represented by a combination of frequencies	H04L27/30	H04L27/30		273
H04L27/32	8	Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26	H04L27/32	H04L27/32		462
H04L27/34	9	Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems	H04L27/34	H04L27/34		2106
H04L27/3405	10	{Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power}	H04L27/34	H04L27/34		814
H04L27/3411	11	{reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set}	H04L27/34	H04L27/34		548
H04L27/3416	11	{in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes}	H04L27/34	H04L27/34		332
H04L27/3422	12	{in which the constellation is not the n - fold Cartesian product of a single underlying two-dimensional constellation}	H04L27/34	H04L27/34		42
H04L27/3427	12	{in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation}	H04L27/34	H04L27/34		90
H04L27/3433	13	{using an underlying square constellation}	H04L27/34	H04L27/34		101
H04L27/3438	13	{using an underlying generalised cross constellation}	H04L27/34	H04L27/34		71
H04L27/3444	11	{by applying a certain rotation to regular constellations}	H04L27/34	H04L27/34		173
H04L27/345	10	{Modifications of the signal space to allow the transmission of additional information}	H04L27/34	H04L27/34		102
H04L27/3455	11	{in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations}	H04L27/34	H04L27/34		110
H04L27/3461	11	{in order to transmit a subchannel}	H04L27/34	H04L27/34		67
H04L27/3466	12	{by providing an alternative to one signal point}	H04L27/34	H04L27/34		10
H04L27/3472	12	{by switching between alternative constellations}	H04L27/34	H04L27/34		74
H04L27/3477	12	{by using the outer points of the constellation or of the constituent two-dimensional constellations}	H04L27/34	H04L27/34		49
H04L27/3483	12	{using a modulation of the constellation points}	H04L27/34	H04L27/34		393
H04L27/3488	10	{Multiresolution systems}	H04L27/34	H04L27/34		618
H04L27/3494	10	{using non - square modulating pulses, e.g. using raised cosine pulses; Partial response QAM, i.e. with partial response pulse shaping (QAM over partial response channels H04L25/497)}	H04L27/34	H04L27/34		106
H04L27/36	10	Modulator circuits; Transmitter circuits	H04L27/36	H04L27/36		1174
H04L27/361	11	{Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation}	H04L27/36	H04L27/36		462
H04L27/362	11	{Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated (H04L27/366 takes precedence)}	H04L27/36	H04L27/36		704
H04L27/363	12	{using non - square modulating pulses, modulators specifically designed for this (transmission of non - square QAM H04L27/3494)}	H04L27/36	H04L27/36		33
H04L27/364	12	{Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels}	H04L27/36	H04L27/36		681
H04L27/365	11	{Modulation using digital generation of the modulated carrier (not including modulation of a digitally generated carrier)}	H04L27/36	H04L27/36		94
H04L27/366	11	{Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator}	H04L27/36	H04L27/36		276
H04L27/367	12	{using predistortion}	H04L27/36	H04L27/36		350
H04L27/368	13	{adaptive predistortion}	H04L27/36	H04L27/36		747
H04L27/38	10	Demodulator circuits; Receiver circuits	H04L27/38	H04L27/38		1613
H04L27/3809	11	{Amplitude regulation arrangements}	H04L27/38	H04L27/38		304
H04L27/3818	11	{using coherent demodulation, i.e. using one or more nominally phase synchronous carriers (H04L27/227 and H04L27/389 take precedence)}	H04L27/38	H04L27/38		248
H04L27/3827	12	{in which the carrier is recovered using only the demodulated baseband signals}	H04L27/38	H04L27/38		151
H04L27/3836	12	{in which the carrier is recovered using the received modulated signal or the received IF signal, e.g. by detecting a pilot or by frequency multiplication}	H04L27/38	H04L27/38		112
H04L27/3845	11	{using non - coherent demodulation, i.e. not using a phase synchronous carrier}	H04L27/38	H04L27/38		76
H04L27/3854	12	{using a non - coherent carrier, including systems with baseband correction for phase or frequency offset}	H04L27/38	H04L27/38		266
H04L27/3863	13	{Compensation for quadrature error in the received signal}	H04L27/38	H04L27/38		541
H04L27/3872	13	{Compensation for phase rotation in the demodulated signal}	H04L27/38	H04L27/38		240
H04L27/3881	12	{using sampling and digital processing, not including digital systems which imitate heterodyne or homodyne demodulation}	H04L27/38	H04L27/38		63
H04L27/389	11	{with separate demodulation for the phase and amplitude components}	H04L27/38	H04L27/38		94
H04L41/00	7	Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks<br><br><u>WARNING</u><br>Group H04L41/00 is impacted by reclassification into groups H04L41/34, H04L41/342, H04L41/344 and H04L41/40. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L41/00	H04L41/00		2992
H04L41/02	8	Standardisation; Integration	H04L41/02	H04L41/02		355
H04L41/0213	9	Standardised network management protocols, e.g. simple network management protocol [SNMP]	H04L41/0213	H04L41/0213		4930
H04L41/022	9	Multivendor or multi-standard integration	H04L41/022	H04L41/022		623
H04L41/0226	9	Mapping or translating multiple network management protocols	H04L41/0226	H04L41/0226		816
H04L41/0233	9	Object-oriented techniques, for representation of network management data, e.g. common object request broker architecture [CORBA]	H04L41/0233	H04L41/0233		1033
H04L41/024	9	{using relational databases for representation of network management data, e.g. managing via structured query language [SQL]}	H04L41/02	H04L41/02		830
H04L41/0246	9	Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols	H04L41/0246	H04L41/0246		1085
H04L41/0253	10	using browsers or web-pages for accessing management information	H04L41/0253	H04L41/0253		1055
H04L41/026	10	using e-messaging for transporting management information, e.g. email, instant messaging or chat	H04L41/026	H04L41/026		370
H04L41/0266	10	using meta-data, objects or commands for formatting management information, e.g. using eXtensible markup language [XML]	H04L41/0266	H04L41/0266		704
H04L41/0273	10	using web services for network management, e.g. simple object access protocol [SOAP]	H04L41/0273	H04L41/0273		620
H04L41/028	11	{for synchronisation between service call and response}	H04L41/0273	H04L41/02		80
H04L41/0286	11	{for search or classification or discovery of web services providing management functionalities}	H04L41/0273	H04L41/02		75
H04L41/0293	11	{for accessing web services by means of a binding identification of the management service or element}	H04L41/0273	H04L41/02		105
H04L41/04	8	Network management architectures or arrangements<br><br><u>WARNING</u><br>Group H04L41/04 is impacted by reclassification into groups H04L41/045, H04L41/052, H04L41/34, H04L41/342 and H04L41/344. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L41/04	H04L41/04		1702
H04L41/042	9	comprising distributed management centres cooperatively managing the network	H04L41/042	H04L41/042		1325
H04L41/044	9	comprising hierarchical management structures	H04L41/044	H04L41/044		1701
H04L41/045	9	comprising client-server management architectures<br><br><u>WARNING</u><br>Group H04L41/045 is incomplete pending reclassification of documents from group H04L41/04. <br>Groups H04L41/04 and H04L41/045 should be considered in order to perform a complete search.	H04L41/045	H04L41/045		121
H04L41/046	9	comprising network management agents or mobile agents therefor	H04L41/046	H04L41/046		3497
H04L41/048	10	{mobile agents}	H04L41/046	H04L41/04		167
H04L41/052	9	using standardised network management architectures, e.g. telecommunication management network [TMN] or unified network management architecture [UNMA]<br><br><u>WARNING</u><br>Group H04L41/052 is incomplete pending reclassification of documents from group H04L41/04. <br>Groups H04L41/04 and H04L41/052 should be considered in order to perform a complete search.	H04L41/052	H04L41/052		396
H04L41/06	8	Management of faults, events, alarms or notifications	H04L41/06	H04L41/06		6270
H04L41/0604	9	using filtering, e.g. reduction of information by using priority, element types, position or time	H04L41/0604	H04L41/0604		1306
H04L41/0609	10	{based on severity or priority}	H04L41/0604	H04L41/06		464
H04L41/0613	10	{based on the type or category of the network elements}	H04L41/0604	H04L41/06		216
H04L41/0618	10	{based on the physical or logical position}	H04L41/0604	H04L41/06		196
H04L41/0622	10	{based on time}	H04L41/0604	H04L41/06		369
H04L41/0627	10	{by acting on the notification or alarm source}	H04L41/0604	H04L41/06		369
H04L41/0631	9	using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis	H04L41/0631	H04L41/0631		9848
H04L41/0636	10	{based on a decision tree analysis}	H04L41/0631	H04L41/06		325
H04L41/064	10	{involving time analysis}	H04L41/0631	H04L41/06		951
H04L41/0645	10	{by additionally acting on or stimulating the network after receiving notifications}	H04L41/0631	H04L41/06		235
H04L41/065	10	{involving logical or physical relationship, e.g. grouping and hierarchies}	H04L41/0631	H04L41/06		1161
H04L41/0654	9	using network fault recovery (ring fault isolation or reconfiguration in loop networks without recovery actions by a network management system H04L12/437)	H04L41/0654	H04L41/0654		4491
H04L41/0659	10	by isolating or reconfiguring faulty entities	H04L41/0659	H04L41/0659		1280
H04L41/0661	11	{by reconfiguring faulty entities}	H04L41/0659	H04L41/06		1434
H04L41/0663	10	Performing the actions predefined by failover planning, e.g. switching to standby network elements	H04L41/0663	H04L41/0663		4736
H04L41/0668	10	by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure	H04L41/0668	H04L41/0668		3685
H04L41/0677	9	Localisation of faults	H04L41/0677	H04L41/0677		5782
H04L41/0681	9	Configuration of triggering conditions	H04L41/0681	H04L41/0681		2170
H04L41/0686	9	Additional information in the notification, e.g. enhancement of specific meta-data	H04L41/0686	H04L41/0686		1208
H04L41/069	9	using logs of notifications; Post-processing of notifications	H04L41/069	H04L41/069		5819
H04L41/0695	9	the faulty arrangement being the maintenance, administration or management system	H04L41/0695	H04L41/0695		864
H04L41/08	8	Configuration management of networks or network elements (address allocation H04L61/50)<br><br><u>WARNING</u><br>Group H04L41/08 is impacted by reclassification into group H04L41/0895. <br>Groups H04L41/08 and H04L41/0895 should be considered in order to perform a complete search.	H04L41/08	H04L41/08		1887
H04L41/0803	9	Configuration setting	H04L41/0803	H04L41/0803		10757
H04L41/0806	10	for initial configuration or provisioning, e.g. plug-and-play	H04L41/0806	H04L41/0806		7582
H04L41/0809	11	{Plug-and-play configuration}	H04L41/0806	H04L41/08		655
H04L41/0813	10	characterised by the conditions triggering a change of settings	H04L41/0813	H04L41/0813		3439
H04L41/0816	11	the condition being an adaptation, e.g. in response to network events	H04L41/0816	H04L41/0816		4831
H04L41/082	11	the condition being updates or upgrades of network functionality	H04L41/082	H04L41/082		7083
H04L41/0823	10	characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability (for optimising operational conditions of wireless networks H04W24/02)	H04L41/0823	H04L41/0823		4620
H04L41/0826	11	for reduction of network costs (H04L41/0833 takes precedence)	H04L41/0826	H04L41/0826		600
H04L41/083	11	for increasing network speed	H04L41/083	H04L41/083		736
H04L41/0833	11	for reduction of network energy consumption	H04L41/0833	H04L41/0833		663
H04L41/0836	11	{to enhance reliability, e.g. reduce downtime}	H04L41/0823	H04L41/083		1038
H04L41/084	10	Configuration by using pre-existing information, e.g. using templates or copying from other elements	H04L41/084	H04L41/084		588
H04L41/0843	11	{based on generic templates}	H04L41/084	H04L41/084		1450
H04L41/0846	11	{based on copy from other elements}	H04L41/084	H04L41/084		947
H04L41/085	9	Retrieval of network configuration; Tracking network configuration history	H04L41/085	H04L41/085		868
H04L41/0853	10	by actively collecting configuration information or by backing up configuration information	H04L41/0853	H04L41/0853		3212
H04L41/0856	11	{by backing up or archiving configuration information}	H04L41/0853	H04L41/085		1250
H04L41/0859	10	by keeping history of different configuration generations or by rolling back to previous configuration versions	H04L41/0859	H04L41/0859		515
H04L41/0863	11	{by rolling back to previous configuration versions}	H04L41/0859	H04L41/08		380
H04L41/0866	9	Checking the configuration	H04L41/0866	H04L41/0866		1698
H04L41/0869	10	Validating the configuration within one network element	H04L41/0869	H04L41/0869		1031
H04L41/0873	10	Checking configuration conflicts between network elements	H04L41/0873	H04L41/0873		742
H04L41/0876	9	{Aspects of the degree of configuration automation}	H04L41/08	H04L41/08		913
H04L41/0879	10	{Manual configuration through operator}	H04L41/08	H04L41/08		344
H04L41/0883	10	{Semiautomatic configuration, e.g. proposals from system}	H04L41/08	H04L41/08		674
H04L41/0886	10	{Fully automatic configuration}	H04L41/08	H04L41/08		3536
H04L41/0889	9	{Techniques to speed-up the configuration process}	H04L41/08	H04L41/08		1658
H04L41/0893	9	Assignment of logical groups to network elements<br><br><u>WARNING</u><br>Group H04L41/0893 is impacted by reclassification into group H04L41/0894. <br>Groups H04L41/0893 and H04L41/0894 should be considered in order to perform a complete search.	H04L41/0893	H04L41/0893		7197
H04L41/0894	9	Policy-based network configuration management<br><br><u>WARNING</u><br>Group H04L41/0894 is incomplete pending reclassification of documents from group H04L41/0893. <br>Groups H04L41/0893 and H04L41/0894 should be considered in order to perform a complete search.	H04L41/0894	H04L41/0894		5810
H04L41/0895	9	Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements<br><br><u>WARNING</u><br>Group H04L41/0895 is incomplete pending reclassification of documents from group H04L41/08. <br>Groups H04L41/08 and H04L41/0895 should be considered in order to perform a complete search.	H04L41/0895	H04L41/0895		5389
H04L41/0896	9	Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities (flow or congestion control using dynamic resource allocation, e.g. in-call renegotiation, H04L47/76)<br><br><u>WARNING</u><br>Group H04L41/0896 is impacted by reclassification into group H04L41/0897. <br>Groups H04L41/0896 and H04L41/0897 should be considered in order to perform a complete search.	H04L41/0896	H04L41/0896		4942
H04L41/0897	10	by horizontal or vertical scaling of resources, or by migrating entities, e.g. virtual resources or entities<br><br><u>WARNING</u><br>Group H04L41/0897 is incomplete pending reclassification of documents from group H04L41/0896. <br>Groups H04L41/0896 and H04L41/0897 should be considered in order to perform a complete search.	H04L41/0897	H04L41/0897		1317
H04L41/12	8	Discovery or management of network topologies<br><br><u>WARNING</u><br>Group H04L41/12 is impacted by reclassification into groups H04L41/122, H04L41/34, H04L41/342, H04L41/344 and H04L41/40. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L41/12	H04L41/12		13839
H04L41/122	9	of virtualised topologies, e.g. software-defined networks [SDN] or network function virtualisation [NFV]<br><br><u>WARNING</u><br>Group H04L41/122 is incomplete pending reclassification of documents from group H04L41/12. <br>Groups H04L41/12 and H04L41/122 should be considered in order to perform a complete search.	H04L41/122	H04L41/122		1925
H04L41/14	8	Network analysis or design<br><br><u>WARNING</u><br>Group H04L41/14 is impacted by reclassification into group H04L41/149. <br>Groups H04L41/14 and H04L41/149 should be considered in order to perform a complete search.	H04L41/14	H04L41/14		4072
H04L41/142	9	using statistical or mathematical methods	H04L41/142	H04L41/142		6130
H04L41/145	9	{involving simulating, designing, planning or modelling of a network}	H04L41/14	H04L41/14		14122
H04L41/147	9	for predicting network behaviour<br><br><u>WARNING</u><br>Group H04L41/147 is impacted by reclassification into group H04L41/149. <br>Groups H04L41/147 and H04L41/149 should be considered in order to perform a complete search.	H04L41/147	H04L41/147		6465
H04L41/149	9	for prediction of maintenance<br><br><u>WARNING</u><br>Group H04L41/149 is incomplete pending reclassification of documents from groups H04L41/14 and H04L41/147. <br>Groups H04L41/14, H04L41/147 and H04L41/149 should be considered in order to perform a complete search.	H04L41/149	H04L41/149		1170
H04L41/16	8	using machine learning or artificial intelligence	H04L41/16	H04L41/16		10890
H04L41/18	8	Delegation of network management function, e.g. customer network management [CNM]	H04L41/18	H04L41/18		425
H04L41/20	8	{Network management software packages}	H04L41/00	H04L41/20		878
H04L41/22	8	comprising specially adapted graphical user interfaces [GUI]	H04L41/22	H04L41/22		9149
H04L41/24	8	{using dedicated network management hardware}	H04L41/00	H04L41/24		535
H04L41/26	8	{using dedicated tools for LAN [Local Area Network] management}	H04L41/00	H04L41/26		234
H04L41/28	8	Restricting access to network management systems or functions, e.g. using authorisation function to access network configuration	H04L41/28	H04L41/28		2049
H04L41/30	8	{Decision processes by autonomous network management units using voting and bidding}	H04L41/00	H04L41/30		647
H04L41/32	8	{Specific management aspects for broadband networks}	H04L41/00	H04L41/32		250
H04L41/34	8	Signalling channels for network management communication<br><br><u>WARNING</u><br>Groups H04L41/34, H04L41/342 and H04L41/344 are incomplete pending reclassification of documents from groups H04L41/00, H04L41/04 and H04L41/12. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L41/34	H04L41/34		741
H04L41/342	9	between virtual entities, e.g. orchestrators, SDN or NFV entities	H04L41/342	H04L41/342		780
H04L41/344	9	Out-of-band transfers	H04L41/344	H04L41/344		589
H04L41/40	8	using virtualisation of network functions or resources, e.g. SDN or NFV entities<br><br><u>WARNING</u><br>Group H04L41/40 is incomplete pending reclassification of documents from groups H04L41/00 and H04L41/12. <br>Groups H04L41/00, H04L41/12 and H04L41/40 should be considered in order to perform a complete search.	H04L41/40	H04L41/40		6530
H04L41/50	8	Network service management, e.g. ensuring proper service fulfilment according to agreements	H04L41/50	H04L41/50		1829
H04L41/5003	9	Managing SLA; Interaction between SLA and QoS	H04L41/5003	H04L41/5003		1794
H04L41/5006	10	Creating or negotiating SLA contracts, guarantees or penalties	H04L41/5006	H04L41/5006		453
H04L41/5009	10	Determining service level performance parameters or violations of service level contracts, e.g. violations of agreed response time or mean time between failures [MTBF]	H04L41/5009	H04L41/5009		3820
H04L41/5012	11	{determining service availability, e.g. which services are available at a certain point in time}	H04L41/5009	H04L41/50		394
H04L41/5016	12	{based on statistics of service availability, e.g. in percentage or over a given time}	H04L41/5009	H04L41/50		165
H04L41/5019	10	Ensuring fulfilment of SLA	H04L41/5019	H04L41/5019		1873
H04L41/5022	11	by giving priorities, e.g. assigning classes of service	H04L41/5022	H04L41/5022		982
H04L41/5025	11	by proactively reacting to service quality change, e.g. by reconfiguration after service quality degradation or upgrade	H04L41/5025	H04L41/5025		1531
H04L41/5029	9	{Service quality level-based billing, e.g. dependent on measured service level customer is charged more or less}	H04L41/50	H04L41/50		410
H04L41/5032	9	{Generating service level reports}	H04L41/50	H04L41/50		584
H04L41/5041	9	characterised by the time relationship between creation and deployment of a service	H04L41/5041	H04L41/5041		1182
H04L41/5045	10	{Making service definitions prior to deployment}	H04L41/5041	H04L41/50		411
H04L41/5048	10	{Automatic or semi-automatic definitions, e.g. definition templates}	H04L41/5041	H04L41/50		470
H04L41/5051	10	Service on demand, e.g. definition and deployment of services in real time	H04L41/5051	H04L41/5051		1585
H04L41/5054	10	Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components	H04L41/5054	H04L41/5054		2312
H04L41/5058	9	{Service discovery by the service manager}	H04L41/50	H04L41/50		720
H04L41/5061	9	characterised by the interaction between service providers and their network customers, e.g. customer relationship management	H04L41/5061	H04L41/5061		448
H04L41/5064	10	{Customer relationship management}	H04L41/5061	H04L41/50		480
H04L41/5067	10	Customer-centric QoS measurements	H04L41/5067	H04L41/5067		1350
H04L41/507	10	Filtering out customers affected by service problems	H04L41/507	H04L41/507		156
H04L41/5074	10	Handling of user complaints or trouble tickets	H04L41/5074	H04L41/5074		700
H04L41/5077	9	{wherein the managed service relates to simple transport services, i.e. providing only network infrastructure}	H04L41/50	H04L41/507		312
H04L41/508	9	{based on type of value added network service under agreement}	H04L41/50	H04L41/50		56
H04L41/5083	10	{wherein the managed service relates to web hosting}	H04L41/50	H04L41/50		165
H04L41/5087	10	{wherein the managed service relates to voice services (management of VoIP services&#160;H04M7/0081)}	H04L41/50	H04L41/50		526
H04L41/509	10	{wherein the managed service relates to media content delivery, e.g. audio, video or TV}	H04L41/50	H04L41/50		755
H04L41/5093	10	{wherein the managed service relates to messaging or chat services}	H04L41/50	H04L41/50		251
H04L41/5096	10	{wherein the managed service relates to distributed or central networked applications}	H04L41/50	H04L41/50		1422
H04L43/00	7	Arrangements for monitoring or testing data switching networks	H04L43/00	H04L43/00		4657
H04L43/02	8	Capturing of monitoring data	H04L43/02	H04L43/02		914
H04L43/022	9	by sampling	H04L43/022	H04L43/022		903
H04L43/024	10	by adaptive sampling	H04L43/024	H04L43/024		378
H04L43/026	9	using flow identification	H04L43/026	H04L43/026		2655
H04L43/028	9	by filtering	H04L43/028	H04L43/028		2711
H04L43/04	8	Processing captured monitoring data, e.g. for logfile generation	H04L43/04	H04L43/04		5508
H04L43/045	9	for graphical visualisation of monitoring data	H04L43/045	H04L43/045		4604
H04L43/06	8	Generation of reports	H04L43/06	H04L43/06		2629
H04L43/062	9	related to network traffic	H04L43/062	H04L43/062		2268
H04L43/065	9	related to network devices	H04L43/065	H04L43/065		2073
H04L43/067	9	using time frame reporting	H04L43/067	H04L43/067		1048
H04L43/08	8	Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters<br><br><u>WARNING</u><br>Group H04L43/08 is impacted by reclassification into group H04L43/20. <br>Groups H04L43/08 and H04L43/20 should be considered in order to perform a complete search.	H04L43/08	H04L43/08		12140
H04L43/0805	9	by checking availability	H04L43/0805	H04L43/0805		2338
H04L43/0811	10	by checking connectivity	H04L43/0811	H04L43/0811		6825
H04L43/0817	10	by checking functioning	H04L43/0817	H04L43/0817		9314
H04L43/0823	9	Errors, e.g. transmission errors	H04L43/0823	H04L43/0823		3341
H04L43/0829	10	Packet loss	H04L43/0829	H04L43/0829		4435
H04L43/0835	11	{One way packet loss}	H04L43/0829	H04L43/08		399
H04L43/0841	11	{Round trip packet loss}	H04L43/0829	H04L43/08		159
H04L43/0847	10	{Transmission error}	H04L43/0823	H04L43/08		1412
H04L43/0852	9	Delays	H04L43/0852	H04L43/0852		6878
H04L43/0858	10	{One way delays}	H04L43/0852	H04L43/08		1038
H04L43/0864	10	Round trip delays	H04L43/0864	H04L43/0864		2239
H04L43/087	10	Jitter	H04L43/087	H04L43/087		1734
H04L43/0876	9	Network utilisation, e.g. volume of load or congestion level	H04L43/0876	H04L43/0876		7147
H04L43/0882	10	Utilisation of link capacity	H04L43/0882	H04L43/0882		2229
H04L43/0888	10	Throughput	H04L43/0888	H04L43/0888		2788
H04L43/0894	10	Packet rate	H04L43/0894	H04L43/0894		3515
H04L43/091	9	Measuring contribution of individual network components to actual service level	H04L43/091	H04L43/091		701
H04L43/10	8	Active monitoring, e.g. heartbeat, ping or trace-route	H04L43/10	H04L43/10		9326
H04L43/103	9	with adaptive polling, i.e. dynamically adapting the polling rate	H04L43/103	H04L43/103		556
H04L43/106	9	using time related information in packets, e.g. by adding timestamps	H04L43/106	H04L43/106		2381
H04L43/12	8	Network monitoring probes	H04L43/12	H04L43/12		4041
H04L43/14	8	{using software, i.e. software packages (network security related monitoring H04L63/1408)}	H04L43/00	H04L43/14		1234
H04L43/16	8	Threshold monitoring	H04L43/16	H04L43/16		10553
H04L43/18	8	Protocol analysers	H04L43/18	H04L43/18		2691
H04L43/20	8	the monitoring system or the monitored elements being virtualised, abstracted or software-defined entities, e.g. SDN or NFV<br><br><u>WARNING</u><br>Group H04L43/20 is incomplete pending reclassification of documents from group H04L43/08. <br>Groups H04L43/08 and H04L43/20 should be considered in order to perform a complete search.	H04L43/20	H04L43/20		3130
H04L43/50	8	Testing arrangements	H04L43/50	H04L43/50		14501
H04L43/55	9	Testing of service level quality, e.g. simulating service usage	H04L43/55	H04L43/55		1025
H04L45/00	7	Routing or path finding of packets in data switching networks (routing or path finding in wireless networks H04W40/00)<br><br><u>WARNING</u><br>Group H04L45/00 is impacted by reclassification into groups H04L45/17, H04L45/243, H04L45/247, H04L45/645, H04L45/655, H04L45/76, H04L45/80, H04L45/85 and H04L45/851. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L45/00	H04L45/00		5658
H04L45/02	8	Topology update or discovery<br><br><u>WARNING</u><br>Group H04L45/02 is impacted by reclassification into groups H04L45/03, H04L45/033, H04L45/036, H04L45/037 and H04L45/0377. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L45/02	H04L45/02		8406
H04L45/021	9	Ensuring consistency of routing table updates, e.g. by using epoch numbers	H04L45/021	H04L45/021		755
H04L45/023	9	Delayed use of routing table updates	H04L45/023	H04L45/023		114
H04L45/025	9	{Updating only a limited number of routers, e.g. fish-eye update}	H04L45/02	H04L45/02		164
H04L45/026	9	{Details of "hello" or keep-alive messages}	H04L45/02	H04L45/02		529
H04L45/028	9	Dynamic adaptation of the update intervals, e.g. event-triggered updates	H04L45/028	H04L45/028		352
H04L45/03	9	by updating link state protocols<br><br><u>WARNING</u><br>Group H04L45/03 is incomplete pending reclassification of documents from group H04L45/02. <br>Groups H04L45/02 and H04L45/03 should be considered in order to perform a complete search.	H04L45/03	H04L45/03		718
H04L45/033	9	by updating distance vector protocols<br><br><u>WARNING</u><br>Group H04L45/033 is incomplete pending reclassification of documents from group H04L45/02. <br>Groups H04L45/02 and H04L45/033 should be considered in order to perform a complete search.	H04L45/033	H04L45/033		579
H04L45/036	9	Updating the topology between route computation elements, e.g. between OpenFlow controllers<br><br><u>WARNING</u><br>Groups H04L45/036, H04L45/037 and H04L45/0377 are incomplete pending reclassification of documents from group H04L45/02. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L45/036	H04L45/036		271
H04L45/037	10	Routes obligatorily traversing service-related nodes	H04L45/037	H04L45/037		69
H04L45/0377	11	for service chaining	H04L45/0377	H04L45/0377		122
H04L45/04	9	{Interdomain routing, e.g. hierarchical routing}	H04L45/02	H04L45/04		4337
H04L45/06	9	{Deflection routing, e.g. hot-potato routing}	H04L45/02	H04L45/06		307
H04L45/08	9	{Learning-based routing, e.g. using neural networks or artificial intelligence}	H04L45/02	H04L45/08		1108
H04L45/10	9	{Routing in connection-oriented networks, e.g. X.25 or ATM}	H04L45/02	H04L45/10		574
H04L45/12	8	Shortest path evaluation	H04L45/12	H04L45/12		3213
H04L45/121	9	by minimising delays	H04L45/121	H04L45/121		1583
H04L45/122	9	by minimising distances, e.g. by selecting a route with minimum of number of hops	H04L45/122	H04L45/122		1333
H04L45/123	9	{Evaluation of link metrics (techniques for monitoring network metrics H04L43/08)}	H04L45/12	H04L45/123		2145
H04L45/124	9	{using a combination of metrics}	H04L45/12	H04L45/124		1846
H04L45/125	9	based on throughput or bandwidth	H04L45/125	H04L45/125		1480
H04L45/126	9	{minimising geographical or physical path length}	H04L45/12	H04L45/126		364
H04L45/127	9	{based on intermediate node capabilities}	H04L45/12	H04L45/127		255
H04L45/128	9	for finding disjoint paths	H04L45/128	H04L45/128		178
H04L45/1283	10	{with disjoint links}	H04L45/128	H04L45/1283		55
H04L45/1287	10	{with disjoint nodes}	H04L45/128	H04L45/1287		36
H04L45/14	8	{Routing performance; Theoretical aspects}	H04L45/00	H04L45/14		1766
H04L45/16	8	Multipoint routing	H04L45/16	H04L45/16		3631
H04L45/17	8	Shortcut routing, e.g. using next hop resolution protocol [NHRP]<br><br><u>WARNING</u><br>Group H04L45/17 is incomplete pending reclassification of documents from group H04L45/00. <br>Groups H04L45/00 and H04L45/17 should be considered in order to perform a complete search.	H04L45/17	H04L45/17		54
H04L45/18	8	Loop-free operations	H04L45/18	H04L45/18		979
H04L45/20	8	{Hop count for routing purposes, e.g. TTL}	H04L45/00	H04L45/20		1360
H04L45/22	8	{Alternate routing}<br><br><u>WARNING</u><br>Group H04L45/22 is impacted by reclassification into group H04L45/247. <br>Groups H04L45/22 and H04L45/247 should be considered in order to perform a complete search.	H04L45/00	H04L45/22		6064
H04L45/24	8	Multipath	H04L45/24	H04L45/24		4996
H04L45/243	9	using M+N parallel active paths<br><br><u>WARNING</u><br>Group H04L45/243 is incomplete pending reclassification of documents from group H04L45/00. <br>Groups H04L45/00 and H04L45/243 should be considered in order to perform a complete search.	H04L45/243	H04L45/243		360
H04L45/245	9	{Link aggregation, e.g. trunking}	H04L45/24	H04L45/24		2027
H04L45/247	9	using M:N active or standby paths<br><br><u>WARNING</u><br>Group H04L45/247 is incomplete pending reclassification of documents from groups H04L45/00 and H04L45/22. <br>Groups H04L45/00, H04L45/22 and H04L45/247 should be considered in order to perform a complete search.	H04L45/247	H04L45/247		901
H04L45/26	8	{Route discovery packet}	H04L45/00	H04L45/26		1223
H04L45/28	8	using route fault recovery	H04L45/28	H04L45/28		6760
H04L45/30	8	Routing of multiclass traffic	H04L45/30	H04L45/30		1004
H04L45/302	8	Route determination based on requested QoS	H04L45/302	H04L45/302		2003
H04L45/304	9	{Route determination for signalling traffic}	H04L45/302	H04L45/304		179
H04L45/306	9	{Route determination based on the nature of the carried application}	H04L45/302	H04L45/306		1970
H04L45/3065	10	{for real time traffic}	H04L45/302	H04L45/3065		409
H04L45/308	9	{Route determination based on user&apos;s profile, e.g. premium users}	H04L45/302	H04L45/308		559
H04L45/32	8	{Flooding (denial of service attacks H04L63/1458)}	H04L45/00	H04L45/32		658
H04L45/34	8	{Source routing}	H04L45/00	H04L45/34		1876
H04L45/36	8	{Backward learning}	H04L45/00	H04L45/36		218
H04L45/38	8	{Flow based routing}	H04L45/00	H04L45/38		3002
H04L45/40	8	{Wormhole routing}	H04L45/00	H04L45/40		116
H04L45/42	8	Centralised routing	H04L45/42	H04L45/42		2063
H04L45/44	8	Distributed routing	H04L45/44	H04L45/44		935
H04L45/46	8	{Cluster building}	H04L45/00	H04L45/46		958
H04L45/48	8	Routing tree calculation<br><br><u>WARNING</u><br>Group H04L45/48 is impacted by reclassification into groups H04L45/484 and H04L45/488. <br>Groups H04L45/48, H04L45/484 and H04L45/488 should be considered in order to perform a complete search.	H04L45/48	H04L45/48		1889
H04L45/484	9	using multiple routing trees<br><br><u>WARNING</u><br>Group H04L45/484 is incomplete pending reclassification of documents from group H04L45/48. <br>Groups H04L45/48 and H04L45/484 should be considered in order to perform a complete search.	H04L45/484	H04L45/484		229
H04L45/488	9	using root node determination<br><br><u>WARNING</u><br>Group H04L45/488 is incomplete pending reclassification of documents from group H04L45/48. <br>Groups H04L45/48 and H04L45/488 should be considered in order to perform a complete search.	H04L45/488	H04L45/488		151
H04L45/50	8	using label swapping, e.g. multi-protocol label switch [MPLS]	H04L45/50	H04L45/50		4600
H04L45/502	9	{Frame based}	H04L45/50	H04L45/50		177
H04L45/505	9	{Cell based}	H04L45/50	H04L45/50		42
H04L45/507	9	{Label distribution}	H04L45/50	H04L45/50		642
H04L45/52	8	Multiprotocol routers	H04L45/52	H04L45/52		564
H04L45/54	8	{Organization of routing tables}	H04L45/00	H04L45/54		3136
H04L45/56	8	{Routing software}	H04L45/00	H04L45/56		408
H04L45/563	9	{Software download or update}	H04L45/00	H04L45/56		193
H04L45/566	9	{Routing instructions carried by the data packet, e.g. active networks}	H04L45/00	H04L45/56		618
H04L45/58	8	Association of routers	H04L45/58	H04L45/58		457
H04L45/583	9	{Stackable routers}	H04L45/58	H04L45/58		277
H04L45/586	9	of virtual routers	H04L45/586	H04L45/586		1982
H04L45/60	8	Router architectures	H04L45/60	H04L45/60		3015
H04L45/62	8	{Wavelength based (optical switching H04Q11/0062)}	H04L45/00	H04L45/62		466
H04L45/64	8	using an overlay routing layer	H04L45/64	H04L45/64		2681
H04L45/645	8	Splitting route computation layer and forwarding layer, e.g. routing according to path computational element [PCE] or based on OpenFlow functionality<br><br><u>WARNING</u><br>Groups H04L45/645 and H04L45/655 are incomplete pending reclassification of documents from group H04L45/00. <br>Groups H04L45/00,  H04L45/645 and H04L45/655 should be considered in order to perform a complete search.	H04L45/645	H04L45/645		225
H04L45/655	9	Interaction between route computation entities and forwarding entities, e.g. for route determination or for flow table update	H04L45/655	H04L45/655		197
H04L45/66	8	{Layer 2 routing, e.g. in Ethernet based MAN&apos;s}	H04L45/00	H04L45/66		1744
H04L45/68	8	{Pseudowire emulation, e.g. IETF WG PWE3}	H04L45/00	H04L45/68		314
H04L45/70	8	{Routing based on monitoring results}	H04L45/00	H04L45/70		1793
H04L45/72	8	{Routing based on the source address}	H04L45/00	H04L45/72		623
H04L45/74	8	Address processing for routing	H04L45/74	H04L45/74		6803
H04L45/741	9	Routing in networks with a plurality of addressing schemes, e.g. with both IPv4 and IPv6	H04L45/741	H04L45/741		782
H04L45/742	9	{Route cache; Operation thereof}	H04L45/74	H04L45/742		1049
H04L45/745	9	Address table lookup; Address filtering<br><br><u>WARNING</u><br>Group H04L45/745 is impacted by reclassification into groups H04L45/7452 and H04L45/7459. <br>Groups H04L45/745, H04L45/7452 and H04L45/7459 should be considered in order to perform a complete search.	H04L45/745	H04L45/745		4527
H04L45/7452	10	Multiple parallel or consecutive lookup operations (lookup operation involving Bloom filters H04L45/7459)<br><br><u>WARNING</u><br>Group H04L45/7452 is incomplete pending reclassification of documents from group H04L45/745. <br>Groups H04L45/745 and H04L45/7452 should be considered in order to perform a complete search.	H04L45/7452	H04L45/7452		172
H04L45/7453	10	using hashing	H04L45/7453	H04L45/7453		1625
H04L45/7459	11	using Bloom filters<br><br><u>WARNING</u><br>Group H04L45/7459 is incomplete pending reclassification of documents from group H04L45/745. <br>Groups H04L45/745 and H04L45/7459 should be considered in order to perform a complete search.	H04L45/7459	H04L45/7459		59
H04L45/74591	10	{using content-addressable memories [CAM]}	H04L45/745	H04L45/7459		662
H04L45/748	10	using longest matching prefix	H04L45/748	H04L45/748		409
H04L45/76	8	Routing in software-defined topologies, e.g. routing between virtual machines<br><br><u>WARNING</u><br>Group H04L45/76 is incomplete pending reclassification of documents from group H04L45/00. <br>Groups H04L45/00 and H04L45/76 should be considered in order to perform a complete search.	H04L45/76	H04L45/76		986
H04L45/80	8	Ingress point selection by the source endpoint, e.g. selection of ISP or POP<br><br><u>WARNING</u><br>Groups H04L45/80, H04L45/85 and H04L45/851 are incomplete pending reclassification of documents from group H04L45/00. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L45/80	H04L45/80		96
H04L45/85	9	Selection among different networks	H04L45/85	H04L45/85		116
H04L45/851	10	Dynamic network selection or re-selection, e.g. after degradation of quality	H04L45/851	H04L45/851		93
H04L47/00	7	Traffic control in data switching networks (arrangements for detecting or preventing errors in the information received H04L1/00)<br><br><u>NOTE</u><br><br> This group covers:<br>Flow control or congestion control <br>Queue scheduling <br>Admission control or resource allocation 	H04L47/00	H04L47/00		312
H04L47/10	8	Flow control; Congestion control<br><br><u>WARNING</u><br>Group H04L47/10 is impacted by reclassification into groups H04L47/43 and H04L47/431. <br>Groups H04L47/10, H04L47/43 and H04L47/431 should be considered in order to perform a complete search.	H04L47/10	H04L47/10		9343
H04L47/11	9	Identifying congestion	H04L47/11	H04L47/11		2423
H04L47/115	10	{using a dedicated packet}	H04L47/11	H04L47/11		412
H04L47/12	9	Avoiding congestion; Recovering from congestion<br><br><u>WARNING</u><br>Group H04L47/12 is impacted by reclassification into group H04L47/129. <br>Groups H04L47/12 and H04L47/129 should be considered in order to perform a complete search.	H04L47/12	H04L47/12		3466
H04L47/122	10	by diverting traffic away from congested entities	H04L47/122	H04L47/122		1085
H04L47/125	10	by balancing the load, e.g. traffic engineering	H04L47/125	H04L47/125		7527
H04L47/127	10	by using congestion prediction	H04L47/127	H04L47/127		683
H04L47/129	10	at the destination endpoint, e.g. reservation of terminal resources or buffer space<br><br><u>WARNING</u><br>Group H04L47/129 is incomplete pending reclassification of documents from group H04L47/12. <br>Groups H04L47/12 and H04L47/129 should be considered in order to perform a complete search.	H04L47/129	H04L47/129		86
H04L47/13	9	{in a LAN segment, e.g. ring or bus}	H04L47/10	H04L47/13		445
H04L47/135	10	{by jamming the transmission media}	H04L47/10	H04L47/13		49
H04L47/15	9	{in relation to multipoint traffic (arrangements for broadcast or multicast in data networks H04L12/18)}	H04L47/10	H04L47/15		1870
H04L47/16	9	{in connection oriented networks, e.g. frame relay}	H04L47/10	H04L47/16		250
H04L47/17	9	Interaction among intermediate nodes, e.g. hop by hop	H04L47/17	H04L47/17		487
H04L47/18	9	{End to end}	H04L47/10	H04L47/18		612
H04L47/19	9	at layers above the network layer (network arrangements for networked applications for scheduling or organising the servicing of application requests H04L67/60)	H04L47/19	H04L47/19		571
H04L47/193	10	at the transport layer, e.g. TCP related	H04L47/193	H04L47/193		1493
H04L47/196	10	{Integration of transport layer protocols, e.g. TCP and UDP}	H04L47/19	H04L47/19		123
H04L47/20	9	Traffic policing	H04L47/20	H04L47/20		3003
H04L47/21	9	using leaky-bucket	H04L47/21	H04L47/21		242
H04L47/215	9	using token-bucket	H04L47/215	H04L47/215		1250
H04L47/22	9	Traffic shaping	H04L47/22	H04L47/22		1774
H04L47/225	10	{Determination of shaping rate, e.g. using a moving window}	H04L47/22	H04L47/22		583
H04L47/23	9	{Bit dropping}	H04L47/10	H04L47/23		155
H04L47/24	9	Traffic characterised by specific attributes, e.g. priority or QoS	H04L47/24	H04L47/24		4456
H04L47/2408	10	for supporting different services, e.g. a differentiated services [DiffServ] type of service	H04L47/2408	H04L47/2408		1439
H04L47/2416	10	Real-time traffic	H04L47/2416	H04L47/2416		2239
H04L47/2425	10	for supporting services specification, e.g. SLA	H04L47/2425	H04L47/2425		820
H04L47/2433	11	{Allocation of priorities to traffic types}	H04L47/2425	H04L47/24		2267
H04L47/2441	10	relying on flow classification, e.g. using integrated services [IntServ]	H04L47/2441	H04L47/2441		4718
H04L47/245	10	{using preemption}	H04L47/24	H04L47/24		537
H04L47/2458	10	{Modification of priorities while in transit}	H04L47/24	H04L47/24		629
H04L47/2466	10	using signalling traffic	H04L47/2466	H04L47/2466		251
H04L47/2475	10	for supporting traffic characterised by the type of applications	H04L47/2475	H04L47/2475		1066
H04L47/2483	10	involving identification of individual flows	H04L47/2483	H04L47/2483		2059
H04L47/2491	10	Mapping quality of service [QoS] requirements between different networks	H04L47/2491	H04L47/2491		539
H04L47/25	9	with rate being modified by the source upon detecting a change of network conditions	H04L47/25	H04L47/25		1892
H04L47/26	9	using explicit feedback to the source, e.g. choke packets<br><br><u>WARNING</u><br>Group H04L47/26 is impacted by reclassification into groups H04L47/265 and H04L47/267. <br>Groups H04L47/26, H04L47/265 and H04L47/267 should be considered in order to perform a complete search.	H04L47/26	H04L47/26		741
H04L47/263	10	Rate modification at the source after receiving feedback	H04L47/263	H04L47/263		1382
H04L47/265	10	sent by intermediate network nodes<br><br><u>WARNING</u><br>Group H04L47/265 is incomplete pending reclassification of documents from group H04L47/26. <br>Groups H04L47/26 and H04L47/265 should be considered in order to perform a complete search.	H04L47/265	H04L47/265		57
H04L47/266	10	{Stopping or restarting the source, e.g. X-on or X-off}	H04L47/26	H04L47/26		416
H04L47/267	10	sent by the destination endpoint (network streaming of media packets with control of the source by the destination H04L65/613)<br><br><u>WARNING</u><br>Group H04L47/267 is incomplete pending reclassification of documents from group H04L47/26. <br>Groups H04L47/26 and H04L47/267 should be considered in order to perform a complete search.	H04L47/267	H04L47/267		106
H04L47/27	9	Evaluation or update of window size, e.g. using information derived from acknowledged [ACK] packets	H04L47/27	H04L47/27		1507
H04L47/28	9	in relation to timing considerations	H04L47/28	H04L47/28		1983
H04L47/283	10	in response to processing delays, e.g. caused by jitter or round trip time [RTT]	H04L47/283	H04L47/283		2765
H04L47/286	10	{Time to live}	H04L47/28	H04L47/28		230
H04L47/29	9	{using a combination of thresholds}	H04L47/10	H04L47/29		2377
H04L47/30	9	in combination with information about buffer occupancy at either end or at transit nodes	H04L47/30	H04L47/30		2656
H04L47/31	9	by tagging of packets, e.g. using discard eligibility [DE] bits	H04L47/31	H04L47/31		951
H04L47/32	9	by discarding or delaying data units, e.g. packets or frames	H04L47/32	H04L47/32		3994
H04L47/323	10	{Discarding or blocking control packets, e.g. ACK packets}	H04L47/32	H04L47/32		335
H04L47/326	10	{with random discard, e.g. random early discard [RED]}	H04L47/32	H04L47/32		151
H04L47/33	9	using forward notification	H04L47/33	H04L47/33		424
H04L47/34	9	ensuring sequence integrity, e.g. using sequence numbers	H04L47/34	H04L47/34		2203
H04L47/35	9	by embedding flow control information in regular packets, e.g. piggybacking	H04L47/35	H04L47/35		389
H04L47/36	9	by determining packet size, e.g. maximum transfer unit [MTU]	H04L47/36	H04L47/36		1070
H04L47/365	10	{Dynamic adaptation of the packet size}	H04L47/36	H04L47/36		668
H04L47/37	9	{Slow start}	H04L47/10	H04L47/37		95
H04L47/38	9	by adapting coding or compression rate	H04L47/38	H04L47/38		725
H04L47/39	9	{Credit based}	H04L47/10	H04L47/39		516
H04L47/40	9	using split connections	H04L47/40	H04L47/40		136
H04L47/41	9	by acting on aggregated flows or links	H04L47/41	H04L47/41		859
H04L47/43	9	Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]<br><br><u>WARNING</u><br>Groups H04L47/43 and H04L47/431 are incomplete pending reclassification of documents from group H04L47/10. <br>Groups H04L47/10, H04L47/43 and H04L47/431 should be considered in order to perform a complete search.	H04L47/43	H04L47/43		1037
H04L47/431	10	using padding or de-padding	H04L47/431	H04L47/431		128
H04L47/50	8	Queue scheduling	H04L47/50	H04L47/50		3358
H04L47/52	9	by attributing bandwidth to queues	H04L47/52	H04L47/52		505
H04L47/521	10	{Static queue service slot or fixed bandwidth allocation}	H04L47/52	H04L47/52		134
H04L47/522	10	{Dynamic queue service slot or variable bandwidth allocation}	H04L47/52	H04L47/52		598
H04L47/524	11	{Queue skipping}	H04L47/52	H04L47/52		13
H04L47/525	10	by redistribution of residual bandwidth	H04L47/525	H04L47/525		199
H04L47/527	10	{Quantum based scheduling, e.g. credit or deficit based scheduling or token bank}	H04L47/52	H04L47/52		313
H04L47/528	10	{Minimum bandwidth guarantee}	H04L47/52	H04L47/52		53
H04L47/54	9	{Loss aware scheduling}	H04L47/50	H04L47/54		99
H04L47/56	9	implementing delay-aware scheduling	H04L47/56	H04L47/56		1113
H04L47/562	10	{Attaching a time tag to queues}	H04L47/56	H04L47/56		226
H04L47/564	10	{Attaching a deadline to packets, e.g. earliest due date first}	H04L47/56	H04L47/56		287
H04L47/566	11	{Deadline varies as a function of time spent in the queue}	H04L47/56	H04L47/56		51
H04L47/568	10	{Calendar queues or timing rings}	H04L47/56	H04L47/56		142
H04L47/58	9	{Changing or combining different scheduling modes, e.g. multimode scheduling}	H04L47/50	H04L47/58		182
H04L47/60	9	implementing hierarchical scheduling	H04L47/60	H04L47/60		251
H04L47/62	9	characterised by scheduling criteria	H04L47/62	H04L47/62		342
H04L47/6205	10	{Arrangements for avoiding head of line blocking}	H04L47/62	H04L47/62		124
H04L47/621	10	{Individual queue per connection or flow, e.g. per VC}	H04L47/62	H04L47/62		494
H04L47/6215	10	{Individual queue per QOS, rate or priority}	H04L47/62	H04L47/62		1336
H04L47/622	10	{Queue service order}	H04L47/62	H04L47/62		410
H04L47/6225	11	{Fixed service order, e.g. Round Robin}	H04L47/62	H04L47/62		534
H04L47/623	11	{Weighted service order}	H04L47/62	H04L47/62		358
H04L47/6235	11	{Variable service order}	H04L47/62	H04L47/62		127
H04L47/624	10	{Altering the ordering of packets in an individual queue}	H04L47/62	H04L47/62		178
H04L47/6245	10	{Modifications to standard FIFO or LIFO}	H04L47/62	H04L47/62		335
H04L47/625	10	for service slots or service orders	H04L47/625	H04L47/625		356
H04L47/6255	11	{queue load conditions, e.g. longest queue first}	H04L47/625	H04L47/625		515
H04L47/626	11	{channel conditions}	H04L47/625	H04L47/62		190
H04L47/6265	11	{past bandwidth allocation}	H04L47/625	H04L47/62		100
H04L47/627	11	{policing}	H04L47/625	H04L47/62		174
H04L47/6275	11	based on priority	H04L47/6275	H04L47/6275		2177
H04L47/628	11	based on packet size, e.g. shortest packet first	H04L47/628	H04L47/628		123
H04L47/6285	10	{Provisions for avoiding starvation of low priority queues}	H04L47/62	H04L47/628		96
H04L47/629	10	Ensuring fair share of resources, e.g. weighted fair queuing [WFQ]	H04L47/629	H04L47/629		163
H04L47/6295	10	using multiple queues, one for each individual QoS, connection, flow or priority	H04L47/6295	H04L47/6295		428
H04L47/70	8	Admission control; Resource allocation<br><br><u>WARNING</u><br>Group H04L47/70 is impacted by reclassification into group H04L47/83. <br>Groups H04L47/70 and H04L47/83 should be considered in order to perform a complete search.	H04L47/70	H04L47/70		4762
H04L47/72	9	using reservation actions during connection setup	H04L47/72	H04L47/72		776
H04L47/722	10	at the destination endpoint, e.g. reservation of terminal resources or buffer space	H04L47/722	H04L47/722		213
H04L47/724	10	at intermediate nodes, e.g. resource reservation protocol [RSVP]	H04L47/724	H04L47/724		1029
H04L47/726	10	Reserving resources in multiple paths to be used simultaneously (by balancing the load H04L47/125)	H04L47/726	H04L47/726		231
H04L47/728	11	{for backup paths}	H04L47/726	H04L47/72		135
H04L47/74	9	measures in reaction to resource unavailability	H04L47/74	H04L47/74		185
H04L47/741	10	{Holding a request until resources become available}	H04L47/74	H04L47/74		101
H04L47/743	10	{Reaction at the end points}	H04L47/74	H04L47/74		56
H04L47/745	10	{Reaction in network}	H04L47/74	H04L47/74		596
H04L47/746	10	{Reaction triggered by a failure}	H04L47/74	H04L47/74		272
H04L47/748	10	{Negotiation of resources, e.g. modification of a request}	H04L47/74	H04L47/74		242
H04L47/76	9	using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions	H04L47/76	H04L47/76		1142
H04L47/762	10	triggered by the network	H04L47/762	H04L47/762		1251
H04L47/765	10	triggered by the end-points	H04L47/765	H04L47/765		540
H04L47/767	11	{after changing the attachment point, e.g. after hand-off}	H04L47/765	H04L47/76		140
H04L47/78	9	Architectures of resource allocation	H04L47/78	H04L47/78		631
H04L47/781	10	{Centralised allocation of resources}	H04L47/78	H04L47/78		1088
H04L47/782	10	{Hierarchical allocation of resources, e.g. involving a hierarchy of local and centralised entities}	H04L47/78	H04L47/78		256
H04L47/783	10	Distributed allocation of resources, e.g. bandwidth brokers	H04L47/783	H04L47/783		976
H04L47/785	11	among multiple network domains, e.g. multilateral agreements	H04L47/785	H04L47/785		202
H04L47/786	12	{Mapping reservation between domains}	H04L47/785	H04L47/78		107
H04L47/787	11	{Bandwidth trade among domains}	H04L47/783	H04L47/78		91
H04L47/788	10	{Autonomous allocation of resources}	H04L47/78	H04L47/78		302
H04L47/80	9	Actions related to the user profile or the type of traffic	H04L47/80	H04L47/80		628
H04L47/801	10	{Real time traffic}	H04L47/80	H04L47/80		906
H04L47/803	10	{Application aware}	H04L47/80	H04L47/80		748
H04L47/805	10	{QOS or priority aware}	H04L47/80	H04L47/80		2626
H04L47/806	10	{Broadcast or multicast traffic}	H04L47/80	H04L47/80		456
H04L47/808	10	{User-type aware}	H04L47/80	H04L47/80		705
H04L47/82	9	{Miscellaneous aspects}	H04L47/70	H04L47/82		452
H04L47/821	10	{Prioritising resource allocation or reservation requests}	H04L47/70	H04L47/82		479
H04L47/822	10	{Collecting or measuring resource availability data}	H04L47/70	H04L47/82		2084
H04L47/824	10	{Applicable to portable or mobile terminals}	H04L47/70	H04L47/82		1185
H04L47/825	10	{Involving tunnels, e.g. MPLS}	H04L47/70	H04L47/82		982
H04L47/826	10	{Involving periods of time}	H04L47/70	H04L47/82		817
H04L47/827	10	{Aggregation of resource allocation or reservation requests}	H04L47/70	H04L47/82		344
H04L47/828	10	{Allocation of resources per group of connections, e.g. per group of users}	H04L47/70	H04L47/82		464
H04L47/829	10	{Topology based}	H04L47/70	H04L47/82		362
H04L47/83	9	based on usage prediction<br><br><u>WARNING</u><br>Group H04L47/83 is incomplete pending reclassification of documents from group H04L47/70. <br>Groups H04L47/70 and H04L47/83 should be considered in order to perform a complete search.	H04L47/83	H04L47/83		1677
H04L49/00	7	Packet switching elements	H04L49/00	H04L49/00		481
H04L49/10	8	characterised by the switching fabric construction<br><br><u>WARNING</u><br>Group H04L49/10 is impacted by reclassification into groups H04L49/111, H04L49/112, H04L49/113, H04L49/115, H04L49/116 and H04L49/118.<br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L49/10	H04L49/10		1476
H04L49/101	9	using crossbar or matrix	H04L49/101	H04L49/101		975
H04L49/102	9	using shared medium, e.g. bus or ring	H04L49/102	H04L49/102		381
H04L49/103	9	using a shared central buffer; using a shared memory	H04L49/103	H04L49/103		638
H04L49/104	9	Asynchronous transfer mode [ATM] switching fabrics	H04L49/104	H04L49/104		93
H04L49/105	10	{ATM switching elements}	H04L49/104	H04L49/10		361
H04L49/106	11	{using space switching, e.g. crossbar or matrix}	H04L49/104	H04L49/10		299
H04L49/107	11	{using shared medium}	H04L49/104	H04L49/10		146
H04L49/108	11	{using shared central buffer}	H04L49/104	H04L49/10		309
H04L49/109	9	Integrated on microchip, e.g. switch-on-chip	H04L49/109	H04L49/109		1085
H04L49/111	9	Switch interfaces, e.g. port details<br><br><u>WARNING</u><br>Group H04L49/111 is incomplete pending reclassification of documents from group H04L49/10.<br>Groups H04L49/10 and H04L49/111 should be considered in order to perform a complete search.	H04L49/111	H04L49/111		742
H04L49/112	9	Switch control, e.g. arbitration<br><br><u>WARNING</u><br>Group H04L49/112 is incomplete pending reclassification of documents from group H04L49/10. <br>Groups H04L49/10 and H04L49/112 should be considered in order to perform a complete search.	H04L49/112	H04L49/112		337
H04L49/113	9	Arrangements for redundant switching, e.g. using parallel planes<br><br><u>WARNING</u><br>Groups H04L49/113, H04L49/115, H04L49/116 and H04L49/118 are incomplete pending reclassification of documents from group H04L49/10. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L49/113	H04L49/113		89
H04L49/115	10	Transferring a complete packet or cell through each plane	H04L49/115	H04L49/115		19
H04L49/116	10	Transferring a part of the packet through each plane, e.g. by bit-slicing	H04L49/116	H04L49/116		3
H04L49/118	10	Address processing within a device, e.g. using internal ID or tags for routing within a switch	H04L49/118	H04L49/118		92
H04L49/15	8	Interconnection of switching modules	H04L49/15	H04L49/15		1413
H04L49/1507	9	{Distribute and route fabrics, e.g. sorting-routing or Batcher-Banyan}	H04L49/15	H04L49/15		219
H04L49/1515	9	Non-blocking multistage, e.g. Clos	H04L49/1515	H04L49/1515		412
H04L49/1523	10	{Parallel switch fabric planes}	H04L49/1515	H04L49/15		293
H04L49/153	10	{ATM switching fabrics having parallel switch planes}	H04L49/1515	H04L49/15		160
H04L49/1538	11	{Cell slicing}	H04L49/1515	H04L49/15		35
H04L49/1546	10	using pipelined operation	H04L49/1546	H04L49/1546		126
H04L49/1553	9	{Interconnection of ATM switching modules, e.g. ATM switching fabrics}	H04L49/15	H04L49/15		418
H04L49/1561	10	{Distribute and route fabrics, e.g. Batcher-Banyan}	H04L49/15	H04L49/15		79
H04L49/1569	10	{Clos switching fabrics}	H04L49/15	H04L49/15		82
H04L49/1576	10	{Crossbar or matrix}	H04L49/15	H04L49/15		238
H04L49/1584	10	{Full Mesh, e.g. knockout}	H04L49/15	H04L49/15		55
H04L49/1592	10	{Perfect Shuffle}	H04L49/15	H04L49/15		10
H04L49/20	8	Support for services	H04L49/20	H04L49/20		422
H04L49/201	9	Multicast operation; Broadcast operation	H04L49/201	H04L49/201		1225
H04L49/203	10	{ATM switching fabrics with multicast or broadcast capabilities}	H04L49/201	H04L49/20		324
H04L49/205	9	{Quality of Service based}	H04L49/20	H04L49/20		746
H04L49/206	10	{Real Time traffic}	H04L49/20	H04L49/20		166
H04L49/208	9	{Port mirroring}	H04L49/20	H04L49/20		471
H04L49/25	8	Routing or path finding in a switch fabric	H04L49/25	H04L49/25		2186
H04L49/251	9	{Cut-through or wormhole routing}	H04L49/25	H04L49/25		169
H04L49/252	9	{Store and forward routing}	H04L49/25	H04L49/25		592
H04L49/253	9	using establishment or release of connections between ports	H04L49/253	H04L49/253		761
H04L49/254	10	{Centralised controller, i.e. arbitration or scheduling}	H04L49/253	H04L49/25		1319
H04L49/255	10	{Control mechanisms for ATM switching fabrics}	H04L49/253	H04L49/25		450
H04L49/256	9	{Routing or path finding in ATM switching fabrics}	H04L49/25	H04L49/25		346
H04L49/257	10	{Cut-through or wormhole routing}	H04L49/25	H04L49/25		20
H04L49/258	10	{Grouping}	H04L49/25	H04L49/25		48
H04L49/30	8	{Peripheral units, e.g. input or output ports}	H04L49/00	H04L49/30		2541
H04L49/3009	9	{Header conversion, routing tables or routing tags}	H04L49/00	H04L49/30		1995
H04L49/3018	9	{Input queuing}	H04L49/00	H04L49/30		605
H04L49/3027	9	{Output queuing}	H04L49/00	H04L49/30		731
H04L49/3036	9	{Shared queuing}	H04L49/00	H04L49/30		160
H04L49/3045	9	{Virtual queuing}	H04L49/00	H04L49/30		298
H04L49/3054	9	{Auto-negotiation, e.g. access control between switch gigabit interface connector [GBIC] and link}	H04L49/00	H04L49/30		145
H04L49/3063	9	{Pipelined operation}	H04L49/00	H04L49/30		287
H04L49/3072	9	{Packet splitting}	H04L49/00	H04L49/30		246
H04L49/3081	9	{ATM peripheral units, e.g. policing, insertion or extraction}	H04L49/00	H04L49/30		1388
H04L49/309	10	{Header conversion, routing tables or routing tags}	H04L49/00	H04L49/30		471
H04L49/35	8	Switches specially adapted for specific applications	H04L49/35	H04L49/35		568
H04L49/351	9	for local area network [LAN], e.g. Ethernet switches	H04L49/351	H04L49/351		2588
H04L49/352	10	{Gigabit ethernet switching [GBPS]}	H04L49/351	H04L49/35		291
H04L49/353	9	{Support for fire wire switches, i.e. according to IEEE 1394}	H04L49/35	H04L49/35		13
H04L49/354	9	for supporting virtual local area networks [VLAN]	H04L49/354	H04L49/354		1283
H04L49/355	9	{Application aware switches, e.g. for HTTP}	H04L49/35	H04L49/35		195
H04L49/356	9	for storage area networks	H04L49/356	H04L49/356		299
H04L49/357	10	{Fibre channel switches}	H04L49/356	H04L49/35		779
H04L49/358	10	{Infiniband Switches}	H04L49/356	H04L49/35		189
H04L49/40	8	Constructional details, e.g. power supply, mechanical construction or backplane	H04L49/40	H04L49/40		1311
H04L49/405	9	{Physical details, e.g. power supply, mechanical construction or backplane of ATM switches}	H04L49/40	H04L49/40		208
H04L49/45	8	Arrangements for providing or supporting expansion	H04L49/45	H04L49/45		391
H04L49/455	9	{Provisions for supporting expansion in ATM switches}	H04L49/45	H04L49/45		82
H04L49/50	8	Overload detection or protection within a single switching element	H04L49/50	H04L49/50		402
H04L49/501	9	{Overload detection}	H04L49/50	H04L49/50		181
H04L49/503	10	{Policing}	H04L49/50	H04L49/50		216
H04L49/505	9	Corrective measures	H04L49/505	H04L49/505		228
H04L49/506	10	Backpressure	H04L49/506	H04L49/506		215
H04L49/508	10	{Head of Line Blocking Avoidance}	H04L49/505	H04L49/50		138
H04L49/55	8	Prevention, detection or correction of errors	H04L49/55	H04L49/55		398
H04L49/552	9	by ensuring the integrity of packets received through redundant connections	H04L49/552	H04L49/552		914
H04L49/555	9	{Error detection}	H04L49/55	H04L49/55		650
H04L49/557	9	{Error correction, e.g. fault recovery or fault tolerance}	H04L49/55	H04L49/55		886
H04L49/60	8	Software-defined switches	H04L49/60	H04L49/60		317
H04L49/602	9	{Multilayer or multiprotocol switching, e.g. IP switching}	H04L49/60	H04L49/60		608
H04L49/604	9	{Hybrid IP/Ethernet switches}	H04L49/60	H04L49/60		94
H04L49/606	9	{Hybrid ATM switches, e.g. ATM&amp;STM, ATM&amp;Frame Relay or ATM&amp;IP}	H04L49/60	H04L49/60		247
H04L49/608	9	{ATM switches adapted to switch variable length packets, e.g. IP packets}	H04L49/60	H04L49/60		86
H04L49/65	8	Re-configuration of fast packet switches	H04L49/65	H04L49/65		343
H04L49/70	8	{Virtual switches}	H04L49/00	H04L49/70		2227
H04L49/90	8	Buffering arrangements<br><br><u>WARNING</u><br>Group H04L49/90 is impacted by reclassification into group H04L49/9023. <br>Groups H04L49/90 and H04L49/9023 should be considered in order to perform a complete search.	H04L49/90	H04L49/90		4390
H04L49/9005	9	using dynamic buffer space allocation	H04L49/9005	H04L49/9005		552
H04L49/901	9	using storage descriptor, e.g. read or write pointers	H04L49/901	H04L49/901		1607
H04L49/9015	9	for supporting a linked list	H04L49/9015	H04L49/9015		257
H04L49/9021	9	{Plurality of buffers per packet}	H04L49/90	H04L49/90		226
H04L49/9023	9	for implementing a jitter-buffer<br><br><u>WARNING</u><br>Group H04L49/9023 is incomplete pending reclassification of documents from group H04L49/90. <br>Groups H04L49/90 and H04L49/9023 should be considered in order to perform a complete search.	H04L49/9023	H04L49/9023		132
H04L49/9026	9	{Single buffer per packet}	H04L49/90	H04L49/90		97
H04L49/9031	9	{Wraparound memory, e.g. overrun or underrun detection}	H04L49/90	H04L49/90		224
H04L49/9036	9	{Common buffer combined with individual queues}	H04L49/90	H04L49/90		227
H04L49/9042	9	{Separate storage for different parts of the packet, e.g. header and payload}	H04L49/90	H04L49/90		367
H04L49/9047	9	including multiple buffers, e.g. buffer pools	H04L49/9047	H04L49/9047		640
H04L49/9052	10	{with buffers of different sizes}	H04L49/9047	H04L49/90		119
H04L49/9057	9	Arrangements for supporting packet reassembly or resequencing	H04L49/9057	H04L49/9057		1351
H04L49/9063	9	{Intermediate storage in different physical parts of a node or terminal}	H04L49/90	H04L49/90		563
H04L49/9068	10	{in the network interface card}	H04L49/90	H04L49/90		305
H04L49/9073	11	{Early interruption upon arrival of a fraction of a packet}	H04L49/90	H04L49/90		197
H04L49/9078	10	{using an external memory or storage device}	H04L49/90	H04L49/90		344
H04L49/9084	9	{Reactions to storage capacity overflow}	H04L49/90	H04L49/90		250
H04L49/9089	10	{replacing packets in a storage arrangement, e.g. pushout}	H04L49/90	H04L49/90		125
H04L49/9094	11	{Arrangements for simultaneous transmit and receive, e.g. simultaneous reading/writing from/to the storage element}	H04L49/90	H04L49/90		526
H04L51/00	7	User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail<br><br><u>WARNING</u><br>Group H04L51/00 is impacted by reclassification into groups H04L51/07 and H04L51/21. <br>Groups H04L51/00, H04L51/07 and H04L51/21 should be considered in order to perform a complete search.	H04L51/00	H04L51/00		2114
H04L51/02	8	using automatic reactions or user delegation, e.g. automatic replies or chatbot-generated messages	H04L51/02	H04L51/02		4846
H04L51/04	8	Real-time or near real-time messaging, e.g. instant messaging [IM]	H04L51/04	H04L51/04		11576
H04L51/043	9	using or handling presence information	H04L51/043	H04L51/043		1897
H04L51/046	9	Interoperability with other network applications or services	H04L51/046	H04L51/046		7034
H04L51/06	8	Message adaptation to terminal or network requirements	H04L51/06	H04L51/06		705
H04L51/063	9	Content adaptation, e.g. replacement of unsuitable content	H04L51/063	H04L51/063		1454
H04L51/066	9	Format adaptation, e.g. format conversion or compression	H04L51/066	H04L51/066		2947
H04L51/07	8	characterised by the inclusion of specific contents<br><br><u>WARNING</u><br>Group H04L51/07 is incomplete pending reclassification of documents from group H04L51/00. <br>Groups H04L51/00 and H04L51/07 should be considered in order to perform a complete search.	H04L51/07	H04L51/07		294
H04L51/08	9	Annexed information, e.g. attachments	H04L51/08	H04L51/08		2533
H04L51/10	9	Multimedia information	H04L51/10	H04L51/10		5257
H04L51/18	9	Commands or executable codes	H04L51/18	H04L51/18		3716
H04L51/21	8	Monitoring or handling of messages<br><br><u>WARNING</u><br>Group H04L51/21 is incomplete pending reclassification of documents from group H04L51/00. <br>Groups H04L51/00 and H04L51/21 should be considered in order to perform a complete search.	H04L51/21	H04L51/21		644
H04L51/212	9	using filtering or selective blocking	H04L51/212	H04L51/212		5652
H04L51/214	9	using selective forwarding	H04L51/214	H04L51/214		4635
H04L51/216	9	Handling conversation history, e.g. grouping of messages in sessions or threads	H04L51/216	H04L51/216		3332
H04L51/222	9	using geographical location information, e.g. messages transmitted or received in proximity of a certain spot or area	H04L51/222	H04L51/222		2270
H04L51/224	9	providing notification on incoming messages, e.g. pushed notifications of received messages	H04L51/224	H04L51/224		3725
H04L51/226	9	Delivery according to priorities	H04L51/226	H04L51/226		1265
H04L51/23	9	Reliability checks, e.g. acknowledgments or fault reporting	H04L51/23	H04L51/23		1667
H04L51/234	9	for tracking messages	H04L51/234	H04L51/234		1556
H04L51/42	8	Mailbox-related aspects, e.g. synchronisation of mailboxes	H04L51/42	H04L51/42		4127
H04L51/48	8	Message addressing, e.g. address format or anonymous messages, aliases	H04L51/48	H04L51/48		2737
H04L51/52	8	for supporting social networking services	H04L51/52	H04L51/52		8899
H04L51/56	8	Unified messaging, e.g. interactions between e-mail, instant messaging or converged IP messaging [CPM]	H04L51/56	H04L51/56		2469
H04L51/58	8	Message adaptation for wireless communication	H04L51/58	H04L51/58		5096
H04L61/00	7	Network arrangements, protocols or services for addressing or naming<br><br><u>NOTE</u><br><br>This group does not cover: <br>aspects relating to switching or routing which are covered by groups H04L45/00 or H04L49/00;<br>aspects relating to configuration management of data networks or network elements in general, which are covered by group H04L41/08<br>aspects of addressing in telephony which are covered by group H04M7/00;<br>aspects of addressing within devices, e.g. process or memory, which are covered by groups G06F13/42 or G06F12/00.	H04L61/00	H04L61/00		3880
H04L61/09	8	Mapping addresses<br><br><u>WARNING</u><br>Group H04L61/09 is incomplete pending reclassification of documents from group H04L9/40. <br>Groups H04L9/40 and H04L61/09 should be considered in order to perform a complete search.	H04L61/09	H04L61/09		43
H04L61/10	9	of different types	H04L61/10	H04L61/10		1615
H04L61/103	10	across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]	H04L61/103	H04L61/103		3877
H04L61/106	10	across networks, e.g. mapping telephone numbers to data network addresses	H04L61/106	H04L61/106		654
H04L61/25	9	of the same type	H04L61/25	H04L61/25		698
H04L61/2503	10	Translation of Internet protocol [IP] addresses	H04L61/2503	H04L61/2503		1677
H04L61/251	11	between different IP versions	H04L61/251	H04L61/251		644
H04L61/2514	11	between local and global IP addresses	H04L61/2514	H04L61/2514		2183
H04L61/2517	11	using port numbers	H04L61/2517	H04L61/2517		821
H04L61/2521	11	Translation architectures other than single NAT servers	H04L61/2521	H04L61/2521		364
H04L61/2525	12	{Translation at a client}	H04L61/2521	H04L61/25		131
H04L61/2528	12	{Translation at a proxy}	H04L61/2521	H04L61/25		258
H04L61/2532	12	{Clique of NAT servers}	H04L61/2521	H04L61/25		124
H04L61/2535	12	{Multiple local networks, e.g. resolving potential IP address conflicts}	H04L61/2521	H04L61/25		232
H04L61/2539	11	Hiding addresses; Keeping addresses anonymous	H04L61/2539	H04L61/2539		196
H04L61/2546	11	Arrangements for avoiding unnecessary translation	H04L61/2546	H04L61/2546		103
H04L61/255	11	Maintenance or indexing of mapping tables	H04L61/255	H04L61/255		584
H04L61/2553	12	Binding renewal aspects, e.g. using keep-alive messages	H04L61/2553	H04L61/2553		432
H04L61/2557	11	Translation policies or rules	H04L61/2557	H04L61/2557		413
H04L61/256	11	NAT traversal	H04L61/256	H04L61/256		1016
H04L61/2564	12	{for a higher-layer protocol, e.g. for session initiation protocol [SIP]}	H04L61/256	H04L61/256		416
H04L61/2567	12	for reachability, e.g. inquiring the address of a correspondent behind a NAT server	H04L61/2567	H04L61/2567		342
H04L61/2575	12	using address mapping retrieval, e.g. simple traversal of user datagram protocol through session traversal utilities for NAT [STUN]	H04L61/2575	H04L61/2575		524
H04L61/2578	12	without involvement of the NAT server	H04L61/2578	H04L61/2578		177
H04L61/2582	12	through control of the NAT server, e.g. using universal plug and play [UPnP]	H04L61/2582	H04L61/2582		167
H04L61/2585	12	through application level gateway [ALG]	H04L61/2585	H04L61/2585		127
H04L61/2589	12	over a relay server, e.g. traversal using relay for network address translation [TURN]	H04L61/2589	H04L61/2589		293
H04L61/2591	11	{Identification of devices behind NAT devices}	H04L61/2503	H04L61/25		141
H04L61/2592	11	using tunnelling or encapsulation	H04L61/2592	H04L61/2592		826
H04L61/2596	10	Translation of addresses of the same type other than IP, e.g. translation from MAC to MAC addresses	H04L61/2596	H04L61/2596		451
H04L61/30	8	Managing network names, e.g. use of aliases or nicknames (name-to-address mapping H04L61/45)	H04L61/30	H04L61/30		1546
H04L61/3005	9	{Mechanisms for avoiding name conflicts}	H04L61/30	H04L61/30		182
H04L61/301	9	Name conversion	H04L61/301	H04L61/301		477
H04L61/3015	9	Name registration, generation or assignment	H04L61/3015	H04L61/3015		720
H04L61/302	10	{Administrative registration, e.g. for domain names at internet corporation for assigned names and numbers [ICANN]}	H04L61/3015	H04L61/30		442
H04L61/3025	10	{Domain name generation or assignment}	H04L61/3015	H04L61/30		566
H04L61/35	8	{involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address or functional addressing, i.e. assigning an address to a function}	H04L61/00	H04L61/35		1168
H04L61/45	8	Network directories; Name-to-address mapping	H04L61/45	H04L61/45		1270
H04L61/4505	9	using standardised directories; using standardised directory access protocols	H04L61/4505	H04L61/4505		112
H04L61/4511	10	using domain name system [DNS]	H04L61/4511	H04L61/4511		9957
H04L61/4517	10	using open systems interconnection [OSI] directories, e.g. X.500	H04L61/4517	H04L61/4517		43
H04L61/4523	10	using lightweight directory access protocol [LDAP]	H04L61/4523	H04L61/4523		430
H04L61/4535	9	using an address exchange platform which sets up a session between two nodes, e.g. rendezvous servers, session initiation protocols [SIP] registrars or H.323 gatekeepers	H04L61/4535	H04L61/4535		699
H04L61/4541	9	Directories for service discovery	H04L61/4541	H04L61/4541		847
H04L61/4547	9	{for personal communications, i.e. using a personal identifier}	H04L61/45	H04L61/45		337
H04L61/4552	9	Lookup mechanisms between a plurality of directories; Synchronisation of directories, e.g. metadirectories	H04L61/4552	H04L61/4552		936
H04L61/4553	9	{Object oriented directories, e.g. common object request broker architecture [CORBA] name server}	H04L61/45	H04L61/45		60
H04L61/4555	9	{Directories for electronic mail or instant messaging}	H04L61/45	H04L61/45		293
H04L61/4557	9	Directories for hybrid networks, e.g. including telephone numbers	H04L61/4557	H04L61/4557		770
H04L61/457	9	{containing identifiers of data entities on a computer, e.g. file names}	H04L61/45	H04L61/45		266
H04L61/4588	9	containing mobile subscriber information, e.g. home subscriber server [HSS]	H04L61/4588	H04L61/4588		476
H04L61/4594	9	Address books, i.e. directories containing contact information about correspondents (telephone directories in user terminals H04M1/27453)	H04L61/4594	H04L61/4594		536
H04L61/50	8	Address allocation	H04L61/50	H04L61/50		1766
H04L61/5007	9	Internet protocol [IP] addresses	H04L61/5007	H04L61/5007		6623
H04L61/5014	10	using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]	H04L61/5014	H04L61/5014		4530
H04L61/503	10	using an authentication, authorisation and accounting [AAA] protocol, e.g. remote authentication dial-in user service [RADIUS] or Diameter	H04L61/503	H04L61/503		248
H04L61/5038	9	for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]	H04L61/5038	H04L61/5038		2475
H04L61/5046	9	Resolving address allocation conflicts; Testing of addresses (testing when self-assigning an address H04L61/5092)	H04L61/5046	H04L61/5046		1503
H04L61/5053	9	Lease time; Renewal aspects	H04L61/5053	H04L61/5053		866
H04L61/5061	9	Pools of addresses	H04L61/5061	H04L61/5061		1169
H04L61/5069	9	for group communication, multicast communication or broadcast communication	H04L61/5069	H04L61/5069		896
H04L61/5076	9	Update or notification mechanisms, e.g. DynDNS	H04L61/5076	H04L61/5076		1073
H04L61/5084	9	Providing for device mobility (network addressing or numbering for mobility support in wireless networks H04W8/26; mobile IP H04W80/04)	H04L61/5084	H04L61/5084		802
H04L61/5092	9	by self-assignment, e.g. picking addresses at random and testing if they are already in use	H04L61/5092	H04L61/5092		988
H04L61/58	8	Caching of addresses or names	H04L61/58	H04L61/58		702
H04L61/59	8	using proxies for addressing	H04L61/59	H04L61/59		568
H04L63/00	7	{Network architectures or network communication protocols for network security (cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00; network architectures or network communication protocols for wireless network security H04W12/00; security arrangements for protecting computers or computer systems against unauthorised activity G06F21/00)}<br><br><u>WARNING</u><br>Group H04L63/00 is incomplete pending reclassification of documents from group H04L9/40. <br>Groups H04L9/40 and H04L63/00 should be considered in order to perform a complete search.	H04L9/40	H04L63/00		1175
H04L63/02	8	{for separating internal from external traffic, e.g. firewalls}	H04L9/40	H04L63/02		6420
H04L63/0209	9	{Architectural arrangements, e.g. perimeter networks or demilitarized zones}	H04L9/40	H04L63/02		3062
H04L63/0218	10	{Distributed architectures, e.g. distributed firewalls}	H04L9/40	H04L63/02		998
H04L63/0227	9	{Filtering policies (mail message filtering H04L51/212)}	H04L9/40	H04L63/02		4997
H04L63/0236	10	{Filtering by address, protocol, port number or service, e.g. IP-address or URL}	H04L9/40	H04L63/02		6805
H04L63/0245	10	{Filtering by information in the payload}	H04L9/40	H04L63/02		2058
H04L63/0254	10	{Stateful filtering}	H04L9/40	H04L63/02		613
H04L63/0263	10	{Rule management}	H04L9/40	H04L63/02		3952
H04L63/0272	9	{Virtual private networks}	H04L9/40	H04L63/02		6574
H04L63/0281	9	{Proxies}	H04L9/40	H04L63/02		4187
H04L63/029	9	{Firewall traversal, e.g. tunnelling or, creating pinholes}	H04L9/40	H04L63/02		2553
H04L63/04	8	{for providing a confidential data exchange among entities communicating through data packet networks}	H04L9/40	H04L63/04		2092
H04L63/0407	9	{wherein the identity of one or more communicating identities is hidden (cryptographic mechanisms or cryptographic arrangements for anonymous credentials or for identity based cryptographic systems H04L9/00)}	H04L9/40	H04L63/04		2155
H04L63/0414	10	{during transmission, i.e. party&apos;s identity is protected against eavesdropping, e.g. by using temporary identifiers, but is known to the other party or parties involved in the communication}	H04L9/40	H04L63/04		867
H04L63/0421	10	{Anonymous communication, i.e. the party&apos;s identifiers are hidden from the other party or parties, e.g. using an anonymizer}	H04L9/40	H04L63/04		2496
H04L63/0428	9	{wherein the data content is protected, e.g. by encrypting or encapsulating the payload}	H04L9/40	H04L63/04		35241
H04L63/0435	10	{wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption (cryptographic mechanisms or cryptographic arrangements for symmetric key encryption H04L9/06)}	H04L9/40	H04L63/04		6234
H04L63/0442	10	{wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption (cryptographic mechanisms or cryptographic arrangements for public-key encryption H04L9/30)}	H04L9/40	H04L63/04		9003
H04L63/045	10	{wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption (cryptographic mechanisms or cryptographic arrangements using a plurality of keys or algorithms H04L9/14)}	H04L9/40	H04L63/04		2497
H04L63/0457	10	{wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption (cryptographic mechanisms or cryptographic arrangements for stream encryption H04L9/065)}	H04L9/40	H04L63/04		669
H04L63/0464	10	{using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and re-encrypts it before forwarding it}	H04L9/40	H04L63/04		968
H04L63/0471	10	{applying encryption by an intermediary, e.g. receiving clear information at the intermediary and encrypting the received information at the intermediary before forwarding}	H04L9/40	H04L63/04		809
H04L63/0478	10	{applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key (cryptographic mechanisms or cryptographic arrangements using a plurality of keys or algorithms H04L9/14)}	H04L9/40	H04L63/04		1771
H04L63/0485	10	{Networking architectures for enhanced packet encryption processing, e.g. offloading of IPsec packet processing or efficient security association look-up}	H04L9/40	H04L63/04		1239
H04L63/0492	10	{by using a location-limited connection, e.g. near-field communication or limited proximity of entities}	H04L9/40	H04L63/04		1197
H04L63/06	8	{for supporting key management in a packet data network (cryptographic mechanisms or cryptographic arrangements for key management H04L9/08)}	H04L9/40	H04L63/06		6027
H04L63/061	9	{for key exchange, e.g. in peer-to-peer networks (cryptographic mechanisms or cryptographic arrangements for key agreement H04L9/0838)}	H04L9/40	H04L63/06		4340
H04L63/062	9	{for key distribution, e.g. centrally by trusted party (cryptographic mechanisms or cryptographic arrangements for key distribution involving a central third party H04L9/0819)}	H04L9/40	H04L63/06		4519
H04L63/064	10	{Hierarchical key distribution, e.g. by multi-tier trusted parties}	H04L9/40	H04L63/06		183
H04L63/065	9	{for group communications (cryptographic mechanisms or cryptographic arrangements for key management involving conference or group key H04L9/0833)}	H04L9/40	H04L63/06		1238
H04L63/067	9	{using one-time keys (cryptographic mechanisms or cryptographic arrangements for generation of one-time passwords H04L9/0863)}	H04L9/40	H04L63/06		754
H04L63/068	9	{using time-dependent keys, e.g. periodically changing keys (cryptographic mechanisms or cryptographic arrangements for controlling usage of secret information H04L9/088)}	H04L9/40	H04L63/06		1478
H04L63/08	8	{for authentication of entities (cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32)}	H04L9/40	H04L63/08		29861
H04L63/0807	9	{using tickets, e.g. Kerberos (cryptographic mechanisms or cryptographic arrangements for entity authentication using tickets or tokens H04L9/3213)}	H04L9/40	H04L63/08		8399
H04L63/0815	9	{providing single-sign-on or federations}	H04L9/40	H04L63/08		7221
H04L63/0823	9	{using certificates (cryptographic mechanisms or cryptographic arrangements for entity authentication involving certificates H04L9/3263)}	H04L9/40	H04L63/08		13701
H04L63/083	9	{using passwords (cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226)}	H04L9/40	H04L63/08		18910
H04L63/0838	10	{using one-time-passwords}	H04L9/40	H04L63/08		3319
H04L63/0846	10	{using time-dependent-passwords, e.g. periodically changing passwords}	H04L9/40	H04L63/08		1359
H04L63/0853	9	{using an additional device, e.g. smartcard, SIM or a different communication terminal (cryptographic mechanisms or cryptographic arrangements for entity authentication involving additional secure or trusted devices H04L9/3234)}	H04L9/40	H04L63/08		7761
H04L63/0861	9	{using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231)}	H04L9/40	H04L63/08		10285
H04L63/0869	9	{for achieving mutual authentication (cryptographic mechanisms or cryptographic arrangements for mutual authentication H04L9/3273)}	H04L9/40	H04L63/08		3885
H04L63/0876	9	{based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint}	H04L9/40	H04L63/08		14910
H04L63/0884	9	{by delegation of authentication, e.g. a proxy authenticates an entity to be authenticated on behalf of this entity vis-&#224;-vis an authentication entity}	H04L9/40	H04L63/08		3295
H04L63/0892	9	{by using authentication-authorization-accounting [AAA] servers or protocols}	H04L9/40	H04L63/08		2525
H04L63/10	8	{for controlling access to devices or network resources}	H04L9/40	H04L63/10		22032
H04L63/101	9	{Access control lists [ACL]}	H04L9/40	H04L63/10		9786
H04L63/102	9	{Entity profiles}	H04L9/40	H04L63/10		11430
H04L63/104	9	{Grouping of entities}	H04L9/40	H04L63/10		3596
H04L63/105	9	{Multiple levels of security}	H04L9/40	H04L63/10		7743
H04L63/107	9	{wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals}	H04L9/40	H04L63/10		3952
H04L63/108	9	{when the policy decisions are valid for a limited amount of time}	H04L9/40	H04L63/10		3121
H04L63/12	8	{Applying verification of the received information (cryptographic mechanisms or cryptographic arrangements for data integrity or data verification H04L9/32)}	H04L9/40	H04L63/12		8089
H04L63/123	9	{received data contents, e.g. message integrity}	H04L9/40	H04L63/12		10219
H04L63/126	9	{the source of the received data}	H04L9/40	H04L63/12		5269
H04L63/14	8	{for detecting or protecting against malicious traffic}	H04L9/40	H04L63/14		2495
H04L63/1408	9	{by monitoring network traffic (monitoring network traffic per seH04L43/00)}	H04L9/40	H04L63/14		10799
H04L63/1416	10	{Event detection, e.g. attack signature detection}	H04L9/40	H04L63/14		23061
H04L63/1425	10	{Traffic logging, e.g. anomaly detection}	H04L9/40	H04L63/14		20982
H04L63/1433	9	{Vulnerability analysis}	H04L9/40	H04L63/14		11501
H04L63/1441	9	{Countermeasures against malicious traffic (countermeasures against attacks on cryptographic mechanisms H04L9/002)}	H04L9/40	H04L63/14		14685
H04L63/145	10	{the attack involving the propagation of malware through the network, e.g. viruses, trojans or worms}	H04L9/40	H04L63/14		6289
H04L63/1458	10	{Denial of Service}	H04L9/40	H04L63/14		5624
H04L63/1466	10	{Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks}	H04L9/40	H04L63/14		5436
H04L63/1475	10	{Passive attacks, e.g. eavesdropping or listening without modification of the traffic monitored}	H04L9/40	H04L63/14		479
H04L63/1483	10	{service impersonation, e.g. phishing, pharming or web spoofing (detection of rogue wireless access points H04W12/12)}	H04L9/40	H04L63/14		3241
H04L63/1491	10	{using deception as countermeasure, e.g. honeypots, honeynets, decoys or entrapment}	H04L9/40	H04L63/14		2332
H04L63/16	8	{Implementing security features at a particular protocol layer}	H04L9/40	H04L63/16		642
H04L63/162	9	{at the data link layer}	H04L9/40	H04L63/16		1254
H04L63/164	9	{at the network layer}	H04L9/40	H04L63/16		1878
H04L63/166	9	{at the transport layer}	H04L9/40	H04L63/16		3586
H04L63/168	9	{above the transport layer}	H04L9/40	H04L63/16		3627
H04L63/18	8	{using different networks or channels, e.g. using out of band channels (cryptographic mechanisms or cryptographic arrangements for key distribution involving distinctive intermediate devices or communication paths H04L9/0827; cryptographic mechanisms or cryptographic arrangements for authentication using a plurality of channels H04L9/3215)}	H04L9/40	H04L63/18		4678
H04L63/20	8	{for managing network security; network security policies in general (filtering policies H04L63/0227)}	H04L9/40	H04L63/20		24180
H04L63/205	9	{involving negotiation or determination of the one or more network security mechanisms to be used, e.g. by negotiation between the client and the server or between peers or by selection according to the capabilities of the entities involved (negotiation of communication capabilities H04L69/24)}	H04L9/40	H04L63/20		4603
H04L63/30	8	{for supporting lawful interception, monitoring or retaining of communications or communication related information (circuit switched telephony call monitoring H04M3/2281)}	H04L9/40	H04L63/30		1574
H04L63/302	9	{gathering intelligence information for situation awareness or reconnaissance}	H04L9/40	H04L63/30		640
H04L63/304	9	{intercepting circuit switched data communications (lawful interception of wireless network communications H04W12/02)}	H04L9/40	H04L63/30		138
H04L63/306	9	{intercepting packet switched data communications, e.g. Web, Internet or IMS communications}	H04L9/40	H04L63/30		1322
H04L63/308	9	{retaining data, e.g. retaining successful, unsuccessful communication attempts, internet access, or e-mail, internet telephony, intercept related information or call content}	H04L9/40	H04L63/30		547
H04L65/00	7	Network arrangements, protocols or services for supporting real-time applications in data packet communication (real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00)<br><br><u>NOTE</u><br><br>This group covers: <br>only communications which fulfill the following two conditions: <br>they are based on packet data; <br>there is real-time or pseudo-real-time temporal association between source and destination, or source and network, or destination and network; <br>provided that the above two conditions are met, this group covers arrangements relating to <br>the transmission of the multimedia data itself, <br>the user-to-user, user-to-network, inter-network or intra-network signalling supporting: <br>b1. the establishment of a session for the subsequent transmission of the multimedia data, or <br>b2. the maintenance of the session or <br>b3. the application services available to the user during the session (unless explicitly excluded in certain cases). <br>This group does not cover:<br>non-real-time multimedia file transfer, which is covered by group H04L67/06;<br>multimedia store or forward messaging as in e-mail, MMS or the like, which is covered by group H04L51/00;<br>analogue video streaming, as in analogue television systems, which is covered by group H04N7/00;<br>selective distribution of MPEG elementary or transport streams, containing video and/or additional data, which is covered by group H04N21/00;<br>bit streaming, i.e. not packet-based, such as in ISDN, which is covered by group H04Q11/0428;<br>instant messaging, which is covered by group H04L51/04;<br>any other multimodal data communications which do not meet the conditions of being packet-based and real-time or pseudo-real-time;<br>flow control in packet switching networks, which is covered by group H04L47/10.<br>In this group the following terms or expressions are used with the meaning indicated: <br>H.323 means International Telecommunication Union Recommendation no. 323, series H, entitled "Packet-based multimedia communications systems" <br>IP means Internet Protocol <br>IMS means IP Multimedia Subsystem <br>ISDN means Integrated Services Digital Network <br>MGC means Media Gateway Control/Controller <br>MGCP means Media Gateway Control Protocol <br>MMS means Multimedia Messaging Service <br>PBX means Private Branch Exchange <br>PSTN means Public Switched Telephone Network <br>QoS means Quality of Service <br>RTP means Real Time Protocol <br>RTCP means Real Time Control Protocol <br>RTSP means Real Time Streaming Protocol. <br>SIP means Session Initiation Protocol <br>SPAM means unsolicited electronic mail <br>SPIT means SPAM Prevention in IP Telephony	H04L65/00	H04L65/00		1757
H04L65/10	8	Architectures or entities	H04L65/10	H04L65/10		161
H04L65/1013	9	{Network architectures, gateways, control or user entities}	H04L65/10	H04L65/10		329
H04L65/1016	9	IP multimedia subsystem [IMS]	H04L65/1016	H04L65/1016		6650
H04L65/102	9	Gateways (arrangements for connecting between networks having differing types of switching systems, e.g. gateways, H04L12/66)	H04L65/102	H04L65/102		709
H04L65/1023	10	Media gateways	H04L65/1023	H04L65/1023		370
H04L65/1026	11	{at the edge}	H04L65/1023	H04L65/102		721
H04L65/103	11	{in the network}	H04L65/1023	H04L65/10		1542
H04L65/1033	10	Signalling gateways	H04L65/1033	H04L65/1033		409
H04L65/1036	11	{at the edge}	H04L65/1033	H04L65/10		732
H04L65/104	11	{in the network}	H04L65/1033	H04L65/10		1447
H04L65/1043	10	Gateway controllers, e.g. media gateway control protocol [MGCP] controllers	H04L65/1043	H04L65/1043		1501
H04L65/1045	9	Proxies, e.g. for session initiation protocol [SIP]	H04L65/1045	H04L65/1045		1362
H04L65/1046	9	Call controllers; Call servers	H04L65/1046	H04L65/1046		1232
H04L65/1053	9	IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)<br><br><u>WARNING</u><br>Group H04L65/1053 is impacted by reclassification into group H04L65/1055. <br>Groups H04L65/1053 and H04L65/1055 should be considered in order to perform a complete search.	H04L65/1053	H04L65/1053		487
H04L65/1055	10	Single-site<br><br><u>WARNING</u><br>Group H04L65/1055 is incomplete pending reclassification of documents from group H04L65/1053. <br>Groups H04L65/1053 and H04L65/1055 should be considered in order to perform a complete search.	H04L65/1055	H04L65/1055		15
H04L65/1056	10	Multi-site	H04L65/1056	H04L65/1056		42
H04L65/1059	9	End-user terminal functionalities specially adapted for real-time communication	H04L65/1059	H04L65/1059		1180
H04L65/1063	9	Application servers providing network services (systems providing special services to telephonic subscribers H04M3/42)	H04L65/1063	H04L65/1063		1300
H04L65/1066	8	Session management	H04L65/1066	H04L65/1066		1912
H04L65/1069	9	Session establishment or de-establishment	H04L65/1069	H04L65/1069		11169
H04L65/1073	9	Registration or de-registration	H04L65/1073	H04L65/1073		3893
H04L65/1076	9	Screening of IP real time communications, e.g. spam over Internet telephony [SPIT]	H04L65/1076	H04L65/1076		476
H04L65/1079	10	{of unsolicited session attempts, e.g. SPIT}	H04L65/1076	H04L65/10		290
H04L65/1083	9	In-session procedures<br><br><u>WARNING</u><br>Group H04L65/1083 is impacted by reclassification into groups H04L65/1094 and H04L65/1095. <br>Groups H04L65/1083, H04L65/1094 and H04L65/1095 should be considered in order to perform a complete search.	H04L65/1083	H04L65/1083		2294
H04L65/1086	10	{session scope modification}	H04L65/1083	H04L65/10		291
H04L65/1089	10	by adding media; by removing media	H04L65/1089	H04L65/1089		1222
H04L65/1093	10	by adding participants; by removing participants	H04L65/1093	H04L65/1093		1050
H04L65/1094	10	Inter-user-equipment sessions transfer or sharing<br><br><u>WARNING</u><br>Group H04L65/1094 is incomplete pending reclassification of documents from group H04L65/1083. <br>Groups H04L65/1083 and H04L65/1094 should be considered in order to perform a complete search.	H04L65/1094	H04L65/1094		1215
H04L65/1095	10	Inter-network session transfer or sharing<br><br><u>WARNING</u><br>Group H04L65/1095 is incomplete pending reclassification of documents from group H04L65/1083. <br>Groups H04L65/1083 and H04L65/1095 should be considered in order to perform a complete search.	H04L65/1095	H04L65/1095		881
H04L65/1096	9	Supplementary features, e.g. call forwarding or call holding (systems providing special services or facilities to telephony subscribers H04M3/42)	H04L65/1096	H04L65/1096		1661
H04L65/1101	9	Session protocols<br><br><u>WARNING</u><br>Group H04L65/1101 is impacted by reclassification into group H04L65/1108. <br>Groups H04L65/1101 and H04L65/1108 should be considered in order to perform a complete search.	H04L65/1101	H04L65/1101		4937
H04L65/1104	10	Session initiation protocol [SIP]	H04L65/1104	H04L65/1104		7212
H04L65/1106	10	Call signalling protocols; H.323 and related	H04L65/1106	H04L65/1106		775
H04L65/1108	10	Web based protocols, e.g. webRTC<br><br><u>WARNING</u><br>Group H04L65/1108 is incomplete pending reclassification of documents from group H04L65/1101. <br>Groups H04L65/1101 and H04L65/1108 should be considered in order to perform a complete search.	H04L65/1108	H04L65/1108		476
H04L65/40	8	Support for services or applications<br><br><u>WARNING</u><br>Group H04L65/40 is impacted by reclassification into groups H04L65/401, H04L65/4015, H04L65/402, H04L65/403, H04L65/4038, H04L65/4046, H04L65/4053 and H04L65/4061. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L65/40	H04L65/40		3637
H04L65/401	9	wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference<br><br><u>WARNING</u><br>Groups H04L65/401 and H04L65/4015 are incomplete pending reclassification of documents from group H04L65/40. <br>Groups H04L65/40, H04L65/401 and H04L65/4015 should be considered in order to perform a complete search.	H04L65/401	H04L65/401		991
H04L65/4015	10	{where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference}	H04L65/401	H04L65/401		1970
H04L65/402	9	wherein the services involve a main real-time session and one or more additional parallel non-real time sessions, e.g. downloading a file in a parallel FTP session, initiating an email or combinational services<br><br><u>WARNING</u><br>Group H04L65/402 is incomplete pending reclassification of documents from group H04L65/40. <br>Groups H04L65/40 and H04L65/402 should be considered in order to perform a complete search.	H04L65/402	H04L65/402		65
H04L65/4025	10	{where none of the additional parallel sessions is real time or time sensitive, e.g. downloading a file in a parallel FTP session, initiating an email or combinational services}	H04L65/402	H04L65/402		353
H04L65/403	9	Arrangements for multi-party communication, e.g. for conferences (data switching systems for conference H04L12/18; arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities H04M3/56; television conferencing systems H04N7/15)<br><br><u>WARNING</u><br>Groups H04L65/403, H04L65/4038, H04L65/4046 and H04L65/4053 are incomplete pending reclassification of documents from group H04L65/40. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L65/403	H04L65/403		7852
H04L65/4038	10	with floor control	H04L65/4038	H04L65/4038		1296
H04L65/4046	10	{with distributed floor control}	H04L65/403	H04L65/40		292
H04L65/4053	10	without floor control	H04L65/4053	H04L65/4053		240
H04L65/4061	9	Push-to services, e.g. push-to-talk or push-to-video<br><br><u>WARNING</u><br>Group H04L65/4061 is incomplete pending reclassification of documents from group H04L65/40. <br>Groups H04L65/40 and H04L65/4061 should be considered in order to perform a complete search.	H04L65/4061	H04L65/4061		1537
H04L65/60	8	Network streaming of media packets<br><br><u>WARNING</u><br>Groups H04L65/60, H04L65/61, H04L65/611, H04L65/612, H04L65/613, H04L65/65 and H04L65/70 are incomplete pending reclassification of documents from group H04L9/40. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L65/60	H04L65/60		3336
H04L65/61	9	for supporting one-way streaming services, e.g. Internet radio	H04L65/61	H04L65/61		2407
H04L65/611	10	for multicast or broadcast (systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06)	H04L65/611	H04L65/611		4606
H04L65/612	10	for unicast	H04L65/612	H04L65/612		6667
H04L65/613	10	for the control of the source by the destination (control signals issued by the client directed to the server or network components specially adapted for selective content distribution H04N21/637)	H04L65/613	H04L65/613		1801
H04L65/65	9	Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]	H04L65/65	H04L65/65		5399
H04L65/70	9	Media network packetisation	H04L65/70	H04L65/70		4554
H04L65/75	9	Media network packet handling<br><br><u>WARNING</u><br>Group H04L65/75 is incomplete pending reclassification of documents from group H04L9/40. <br>Group H04L65/75 is also impacted by reclassification into groups H04L65/752 and H04L65/756. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L65/75	H04L65/75		2465
H04L65/752	10	adapting media to network capabilities<br><br><u>WARNING</u><br>Group H04L65/752 is incomplete pending reclassification of documents from groups H04L9/40 and H04L65/75. <br>Groups H04L9/40, H04L65/75 and H04L65/752 should be considered in order to perform a complete search.	H04L65/752	H04L65/752		1760
H04L65/756	10	adapting media to device capabilities<br><br><u>WARNING</u><br>Group H04L65/756 is incomplete pending reclassification of documents from groups H04L9/40 and H04L65/75. <br>Groups H04L9/40, H04L65/75 and H04L65/756 should be considered in order to perform a complete search.	H04L65/756	H04L65/756		1073
H04L65/762	10	{at the source&#160; (reformatting of additional data in video distribution servers&#160;H04N21/2355)}	H04L65/75	H04L65/762		3608
H04L65/764	10	{at the destination&#160; (reformatting of additional data in video clients&#160;H04N21/4355)}	H04L65/75	H04L65/764		1854
H04L65/765	10	{intermediate}	H04L65/75	H04L65/765		3394
H04L65/80	8	Responding to QoS	H04L65/80	H04L65/80		11840
H04L67/00	7	Network arrangements or protocols for supporting network services or applications (user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00)<br><br><u>NOTE</u><br><br> This group covers:<br>Networking arrangements or communication protocols to support networked  applications which occur at the abstract network layers 5 to 7 of the OSI layer model. The higher layers constitute the interface between the network and the computer applications that use the network to communicate. <br>Network-specific aspects of client-server applications as well as of networking arrangements supporting  networked/distributed applications, e.g. data transport, scheduling. This group also covers specific  networked application layer protocols, e.g. FTP, WAP, HTTP.<br>This group does not cover:<br>Distributed applications which are network-agnostic, i.e. distributed information systems for which the network functions  are transparent. These field are covered, e.g. by G06F9/00, G06F17/00. Data switching network provisions in general and the lower layer network functionalities which support application layer provisions are covered by H04L12/00	H04L67/00	H04L67/00		1109
H04L67/01	8	Protocols<br><br><u>WARNING</u><br>Group H04L67/01 is incomplete pending reclassification of documents from group H04L9/40. <br>Group H04L67/01 is also impacted by reclassification into groups H04L67/02, H04L67/025, H04L67/04, H04L67/06, H04L67/08, H04L67/10, H04L67/1001, H04L67/1004, H04L67/1006, H04L67/1008, H04L67/101, H04L67/1012, H04L67/1014, H04L67/1017, H04L67/1019, H04L67/1021, H04L67/1023, H04L67/1025, H04L67/1027, H04L67/1029, H04L67/1031, H04L67/1034, H04L67/1036, H04L67/1038, H04L67/104, H04L67/1042, H04L67/1044, H04L67/1046, H04L67/1048, H04L67/1051, H04L67/1053, H04L67/1055, H04L67/1057, H04L67/1059, H04L67/1061, H04L67/1063, H04L67/1065, H04L67/1068, H04L67/107, H04L67/1072, H04L67/1074, H04L67/1076, H04L67/1078, H04L67/108, H04L67/1082, H04L67/1085, H04L67/1087, H04L67/1089, H04L67/1091, H04L67/1093, H04L67/1095, H04L67/1097, H04L67/12, H04L67/125, H04L67/131, H04L67/133, H04L67/1396, H04L67/2866, H04L67/2869, H04L67/2871, H04L67/2876, H04L67/288, H04L67/2885, H04L67/289, H04L67/2895, H04L67/30, H04L67/303 and H04L67/306. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L67/01	H04L67/01		6838
H04L67/02	9	based on web technology, e.g. hypertext transfer protocol [HTTP]<br><br><u>WARNING</u><br>Groups H04L67/02 and H04L67/025 are incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01, H04L67/02 and H04L67/025 should be considered in order to perform a complete search.	H04L67/02	H04L67/02		39263
H04L67/025	10	for remote control or remote monitoring of applications	H04L67/025	H04L67/025		16258
H04L67/04	9	specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability<br><br><u>WARNING</u><br>Group H04L67/04 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/04 should be considered in order to perform a complete search.	H04L67/04	H04L67/04		6629
H04L67/06	9	specially adapted for file transfer, e.g. file transfer protocol [FTP]<br><br><u>WARNING</u><br>Group H04L67/06 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/06 should be considered in order to perform a complete search.	H04L67/06	H04L67/06		24013
H04L67/08	9	specially adapted for terminal emulation, e.g. Telnet<br><br><u>WARNING</u><br>Group H04L67/08 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/08 should be considered in order to perform a complete search.	H04L67/08	H04L67/08		2668
H04L67/10	9	in which an application is distributed across nodes in the network (software deployment G06F8/60; multiprogramming arrangements G06F9/46)<br><br><u>WARNING</u><br>Group H04L67/10 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/10 should be considered in order to perform a complete search.	H04L67/10	H04L67/10		41058
H04L67/1001	10	for accessing one among a plurality of replicated servers<br><br><u>WARNING</u><br>Group H04L67/1001 is incomplete pending reclassification of documents from groups H04L9/40 and H04L67/01. <br>Groups H04L9/40, H04L67/01 and H04L67/1001 should be considered in order to perform a complete search.	H04L67/1001	H04L67/1001		8493
H04L67/10015	11	{Access to distributed or replicated servers, e.g. using brokers}<br><br><u>WARNING</u><br>Group H04L67/10015 is incomplete pending reclassification of documents from group H04L9/40. <br>Groups H04L9/40 and H04L67/10015 should be considered in order to perform a complete search.	H04L67/1001	H04L67/1001		881
H04L67/1004	11	Server selection for load balancing<br><br><u>WARNING</u><br>Group H04L67/1004 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1004 should be considered in order to perform a complete search.	H04L67/1004	H04L67/1004		3052
H04L67/1006	12	with static server selection, e.g. the same server being selected for a specific client<br><br><u>WARNING</u><br>Group H04L67/1006 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1006 should be considered in order to perform a complete search.	H04L67/1006	H04L67/1006		233
H04L67/1008	12	based on parameters of servers, e.g. available memory or workload (monitoring of computer activity G06F11/30)<br><br><u>WARNING</u><br>Group H04L67/1008 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1008 should be considered in order to perform a complete search.	H04L67/1008	H04L67/1008		6073
H04L67/101	12	based on network conditions<br><br><u>WARNING</u><br>Group H04L67/101 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/101 should be considered in order to perform a complete search.	H04L67/101	H04L67/101		1913
H04L67/1012	12	based on compliance of requirements or conditions with available server resources<br><br><u>WARNING</u><br>Group H04L67/1012 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1012 should be considered in order to perform a complete search.	H04L67/1012	H04L67/1012		1378
H04L67/1014	12	based on the content of a request<br><br><u>WARNING</u><br>Group H04L67/1014 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1014 should be considered in order to perform a complete search.	H04L67/1014	H04L67/1014		1102
H04L67/1017	12	based on a round robin mechanism<br><br><u>WARNING</u><br>Group H04L67/1017 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1017 should be considered in order to perform a complete search.	H04L67/1017	H04L67/1017		450
H04L67/1019	12	Random or heuristic server selection<br><br><u>WARNING</u><br>Group H04L67/1019 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1019 should be considered in order to perform a complete search.	H04L67/1019	H04L67/1019		233
H04L67/1021	12	based on client or server locations<br><br><u>WARNING</u><br>Group H04L67/1021 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1021 should be considered in order to perform a complete search.	H04L67/1021	H04L67/1021		1164
H04L67/1023	12	based on a hash applied to IP addresses or costs<br><br><u>WARNING</u><br>Group H04L67/1023 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1023 should be considered in order to perform a complete search.	H04L67/1023	H04L67/1023		1661
H04L67/1025	12	Dynamic adaptation of the criteria on which the server selection is based<br><br><u>WARNING</u><br>Group H04L67/1025 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1025 should be considered in order to perform a complete search.	H04L67/1025	H04L67/1025		375
H04L67/1027	11	Persistence of sessions during load balancing<br><br><u>WARNING</u><br>Group H04L67/1027 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1027 should be considered in order to perform a complete search.	H04L67/1027	H04L67/1027		421
H04L67/1029	11	using data related to the state of servers by a load balancer<br><br><u>WARNING</u><br>Group H04L67/1029 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1029 should be considered in order to perform a complete search.	H04L67/1029	H04L67/1029		1701
H04L67/1031	11	Controlling of the operation of servers by a load balancer, e.g. adding or removing servers that serve requests<br><br><u>WARNING</u><br>Group H04L67/1031 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1031 should be considered in order to perform a complete search.	H04L67/1031	H04L67/1031		1095
H04L67/1034	11	Reaction to server failures by a load balancer<br><br><u>WARNING</u><br>Group H04L67/1034 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1034 should be considered in order to perform a complete search.	H04L67/1034	H04L67/1034		1464
H04L67/1036	11	Load balancing of requests to servers for services different from user content provisioning, e.g. load balancing across domain name servers<br><br><u>WARNING</u><br>Group H04L67/1036 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1036 should be considered in order to perform a complete search.	H04L67/1036	H04L67/1036		646
H04L67/1038	11	Load balancing arrangements to avoid a single path through a load balancer<br><br><u>WARNING</u><br>Group H04L67/1038 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1038 should be considered in order to perform a complete search.	H04L67/1038	H04L67/1038		251
H04L67/104	10	Peer-to-peer [P2P] networks<br><br><u>WARNING</u><br>Groups H04L67/104, H04L67/1042, H04L67/1044, H04L67/1046, H04L67/1048, H04L67/1051, H04L67/1053, H04L67/1055, H04L67/1057, H04L67/1059, H04L67/1061, H04L67/1063, H04L67/1065, H04L67/1068, H04L67/107, H04L67/1072, H04L67/1074, H04L67/1076, H04L67/1078, H04L67/108, H04L67/1082, H04L67/1085, H04L67/1087, H04L67/1089, H04L67/1091 and H04L67/1093 are incomplete pending reclassification of documents from group H04L67/01. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L67/104	H04L67/104		8636
H04L67/1042	11	using topology management mechanisms	H04L67/1042	H04L67/1042		577
H04L67/1044	11	{Group management mechanisms&#160; (management of multicast group membership&#160;H04L12/185; reconfiguring of node membership in a computing system to eliminate errors&#160;G06F11/1425)}	H04L67/104	H04L67/104		1718
H04L67/1046	12	{Joining mechanisms}	H04L67/104	H04L67/104		892
H04L67/1048	12	{Departure or maintenance mechanisms}	H04L67/104	H04L67/104		383
H04L67/1051	12	{Group master selection mechanisms}	H04L67/104	H04L67/10		618
H04L67/1053	12	{with pre-configuration of logical or physical connections with a determined number of other peers}	H04L67/104	H04L67/10		156
H04L67/1055	13	{involving connection limits (involving dynamic management of active down- or uploading connections H04L67/1085)}	H04L67/104	H04L67/10		88
H04L67/1057	13	{involving pre-assessment of levels of reputation of peers}	H04L67/104	H04L67/10		187
H04L67/1059	11	{Inter-group management mechanisms, e.g. splitting, merging or interconnection of groups}	H04L67/104	H04L67/10		515
H04L67/1061	11	using node-based peer discovery mechanisms (static access to replicated servers H04L67/1006; service discovery H04L67/51)	H04L67/1061	H04L67/1061		528
H04L67/1063	12	{Discovery through centralising entities}	H04L67/1061	H04L67/10		488
H04L67/1065	12	{Discovery involving distributed pre-established resource-based relationships among peers, e.g. based on distributed hash tables [DHT]&#160; (pre-configuration of logical or physical connections&#160;H04L67/1053)}	H04L67/1061	H04L67/10		757
H04L67/1068	12	{Discovery involving direct consultation or announcement among potential requesting and potential source peers}	H04L67/1061	H04L67/10		477
H04L67/107	13	{with limitation or expansion of the discovery scope}	H04L67/1061	H04L67/10		101
H04L67/1072	12	{Discovery involving ranked list compilation of candidate peers}	H04L67/1061	H04L67/10		191
H04L67/1074	11	for supporting data block transmission mechanisms (file transfer H04L67/06)	H04L67/1074	H04L67/1074		1094
H04L67/1076	12	{Resource dissemination mechanisms or network resource keeping policies for optimal resource availability in the overlay network}	H04L67/1074	H04L67/10		404
H04L67/1078	12	{Resource delivery mechanisms}	H04L67/1074	H04L67/10		1049
H04L67/108	13	{characterised by resources being split in blocks or fragments}	H04L67/1074	H04L67/10		1375
H04L67/1082	13	{involving incentive schemes}	H04L67/1074	H04L67/10		178
H04L67/1085	13	{involving dynamic management of active down- or uploading connections}	H04L67/1074	H04L67/10		287
H04L67/1087	11	using cross-functional networking aspects	H04L67/1087	H04L67/1087		115
H04L67/1089	12	{Hierarchical topologies}	H04L67/1087	H04L67/10		231
H04L67/1091	12	{Interfacing with client-server systems or between P2P systems}	H04L67/1087	H04L67/10		594
H04L67/1093	12	{Some peer nodes performing special functions}	H04L67/1087	H04L67/10		482
H04L67/1095	10	Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes<br><br><u>WARNING</u><br>Group H04L67/1095 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1095 should be considered in order to perform a complete search.	H04L67/1095	H04L67/1095		18820
H04L67/1097	10	for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]<br><br><u>WARNING</u><br>Group H04L67/1097 is incomplete pending reclassification of documents from group H04L67/01. <br>Groups H04L67/01 and H04L67/1097 should be considered in order to perform a complete search.	H04L67/1097	H04L67/1097		28276
H04L67/12	9	specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks<br><br><u>WARNING</u><br>Groups H04L67/12 and H04L67/125 are incomplete pending reclassification of documents from group H04L67/01. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L67/12	H04L67/12		77587
H04L67/125	10	involving control of end-device applications over a network	H04L67/125	H04L67/125		19037
H04L67/131	9	Protocols for games, networked simulations or virtual reality<br><br><u>WARNING</u><br>Group H04L67/131 is incomplete pending reclassification of documents from groups H04L9/40 and H04L67/01. <br>Groups H04L9/40, H04L67/01 and H04L67/131 should be considered in order to perform a complete search.	H04L67/131	H04L67/131		5611
H04L67/133	9	Protocols for remote procedure calls [RPC]<br><br><u>WARNING</u><br>Group H04L67/133 is incomplete pending reclassification of documents from groups H04L9/40 and H04L67/01. <br>Groups H04L9/40, H04L67/01 and H04L67/133 should be considered in order to perform a complete search.	H04L67/133	H04L67/133		2673
H04L67/1396	9	specially adapted for monitoring users&apos; activity<br><br><u>WARNING</u><br>Group H04L67/1396 is incomplete pending reclassification of documents from groups H04L9/40 and H04L67/01. <br>Groups H04L9/40, H04L67/01 and H04L67/1396 should be considered in order to perform a complete search.	H04L67/1396	H04L67/1396		464
H04L67/14	8	Session management (for real-time applications in data packet communications networks H04L65/1066)	H04L67/14	H04L67/14		8595
H04L67/141	9	Setup of application sessions (admission control or resource allocation in data switching networks H04L47/70)	H04L67/141	H04L67/141		13636
H04L67/142	9	Managing session states for stateless protocols; Signalling session states; State transitions; Keeping-state mechanisms	H04L67/142	H04L67/142		1758
H04L67/143	9	Termination or inactivation of sessions, e.g. event-controlled end of session	H04L67/143	H04L67/143		1186
H04L67/145	10	avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session	H04L67/145	H04L67/145		1966
H04L67/146	9	Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding	H04L67/146	H04L67/146		4692
H04L67/147	9	Signalling methods or messages providing extensions to protocols defined by standardisation	H04L67/147	H04L67/147		385
H04L67/148	9	Migration or transfer of sessions	H04L67/148	H04L67/148		1608
H04L67/2866	8	Architectures; Arrangements<br><br><u>WARNING</u><br>Groups H04L67/2866,  H04L67/2869, H04L67/2871, H04L67/2876, H04L67/288, H04L67/2885, H04L67/289, H04L67/2895, H04L67/30, H04L67/303 and H04L67/306 are incomplete pending reclassification of documents from group H04L67/01. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L67/2866	H04L67/2866		548
H04L67/2869	9	Terminals specially adapted for communication	H04L67/2869	H04L67/2869		141
H04L67/2871	9	Implementation details of single intermediate entities	H04L67/2871	H04L67/2871		700
H04L67/2876	9	Pairs of inter-processing entities at each side of the network, e.g. split proxies	H04L67/2876	H04L67/2876		361
H04L67/288	9	Distributed intermediate devices, i.e. intermediate devices for interaction with other intermediate devices on the same level	H04L67/288	H04L67/288		689
H04L67/2885	9	Hierarchically arranged intermediate devices, e.g. for hierarchical caching	H04L67/2885	H04L67/2885		414
H04L67/289	9	Intermediate processing functionally located close to the data consumer application, e.g. in same machine, in same home or in same sub-network	H04L67/289	H04L67/289		1362
H04L67/2895	9	Intermediate processing functionally located close to the data provider application, e.g. reverse proxies	H04L67/2895	H04L67/2895		605
H04L67/30	9	Profiles	H04L67/30	H04L67/30		5245
H04L67/303	10	Terminal profiles	H04L67/303	H04L67/303		4448
H04L67/306	10	User profiles	H04L67/306	H04L67/306		14810
H04L67/34	8	{involving the movement of software or configuration parameters&#160; (network booting or remote initial program loading [RIPL] G06F9/4416)}	H04L67/00	H04L67/34		16084
H04L67/50	8	Network services<br><br><u>WARNING</u><br>Group H04L67/50 is incomplete pending reclassification of documents from group H04L9/40.<br>Groups H04L9/40 and H04L67/50 should be considered in order to perform a complete search.	H04L67/50	H04L67/50		570
H04L67/51	9	Discovery or management thereof, e.g. service location protocol [SLP] or web services	H04L67/51	H04L67/51		14184
H04L67/52	9	specially adapted for the location of the user terminal	H04L67/52	H04L67/52		17127
H04L67/53	9	using third party service providers	H04L67/53	H04L67/53		4020
H04L67/535	9	{Tracking the activity of the user (network monitoring arrangements H04L43/00; recording of computer activity G06F11/34)}	H04L67/50	H04L67/53		11755
H04L67/54	9	Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users	H04L67/54	H04L67/54		3854
H04L67/55	9	Push-based network services	H04L67/55	H04L67/55		16288
H04L67/56	9	Provisioning of proxy services (store-and-forward switching systems in data switching networks H04L12/54)	H04L67/56	H04L67/56		8903
H04L67/561	10	Adding application-functional data or data for application control, e.g. adding metadata	H04L67/561	H04L67/561		2105
H04L67/562	10	Brokering proxy services	H04L67/562	H04L67/562		2502
H04L67/563	10	Data redirection of data network streams	H04L67/563	H04L67/563		3591
H04L67/564	10	Enhancement of application control based on intercepted application data	H04L67/564	H04L67/564		1936
H04L67/565	10	Conversion or adaptation of application format or content (adding application control or application functional data H04L67/561)	H04L67/565	H04L67/565		6374
H04L67/5651	11	Reducing the amount or size of exchanged application data	H04L67/5651	H04L67/5651		1914
H04L67/566	10	Grouping or aggregating service requests, e.g. for unified processing	H04L67/566	H04L67/566		2415
H04L67/567	10	Integrating service provisioning from a plurality of service providers	H04L67/567	H04L67/567		1428
H04L67/568	10	Storing data temporarily at an intermediate stage, e.g. caching	H04L67/568	H04L67/568		10747
H04L67/5681	11	Pre-fetching or pre-delivering data based on network characteristics	H04L67/5681	H04L67/5681		1335
H04L67/5682	11	Policies or rules for updating, deleting or replacing the stored data	H04L67/5682	H04L67/5682		2519
H04L67/5683	11	Storage of data provided by user terminals, i.e. reverse caching	H04L67/5683	H04L67/5683		609
H04L67/59	10	Providing operational support to end devices by off-loading in the network or by emulation, e.g. when they are unavailable	H04L67/59	H04L67/59		1146
H04L67/60	9	Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources (admission control or resource allocation H04L47/70)	H04L67/60	H04L67/60		10042
H04L67/61	10	taking into account QoS or priority requirements	H04L67/61	H04L67/61		3975
H04L67/62	10	Establishing a time schedule for servicing the requests	H04L67/62	H04L67/62		3240
H04L67/63	10	Routing a service request depending on the request content or context	H04L67/63	H04L67/63		6568
H04L67/75	9	Indicating network or usage conditions on the user display	H04L67/75	H04L67/75		3599
H04L69/00	7	Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass (networks security protocols H04L9/40; wireless communication networks H04W)	H04L69/00	H04L69/00		674
H04L69/02	8	{Protocol performance}	H04L69/00	H04L69/02		341
H04L69/03	8	{Protocol definition or specification&#160; (protocol conformance testing&#160;H04L1/244)}	H04L69/00	H04L69/03		1678
H04L69/04	8	Protocols for data compression, e.g. ROHC	H04L69/04	H04L69/04		5512
H04L69/06	8	Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]	H04L69/06	H04L69/06		2801
H04L69/08	8	Protocols for interworking; Protocol conversion<br><br><u>WARNING</u><br>Group H04L69/08 is impacted by reclassification into group H04L69/085. <br>Groups H04L69/08 and H04L69/085 should be considered in order to perform a complete search.	H04L69/08	H04L69/08		10123
H04L69/085	9	specially adapted for interworking of IP-based networks with other networks<br><br><u>WARNING</u><br>Group H04L69/085 is incomplete pending reclassification of documents from group H04L69/08. <br>Groups H04L69/08 and H04L69/085 should be considered in order to perform a complete search.	H04L69/085	H04L69/085		534
H04L69/10	8	Streamlined, light-weight or high-speed protocols, e.g. express transfer protocol [XTP] or byte stream	H04L69/10	H04L69/10		253
H04L69/12	8	Protocol engines	H04L69/12	H04L69/12		1299
H04L69/14	8	Multichannel or multilink protocols	H04L69/14	H04L69/14		3572
H04L69/16	8	Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]	H04L69/16	H04L69/16		8214
H04L69/161	9	{Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields}	H04L69/16	H04L69/16		2728
H04L69/162	10	{involving adaptations of sockets based mechanisms (secure socket layer H04L63/168)}	H04L69/16	H04L69/16		3532
H04L69/163	9	In-band adaptation of TCP data exchange; In-band control procedures	H04L69/163	H04L69/163		3357
H04L69/164	9	Adaptation or special uses of UDP protocol	H04L69/164	H04L69/164		2168
H04L69/165	9	Combined use of TCP and UDP protocols; selection criteria therefor	H04L69/165	H04L69/165		629
H04L69/166	9	IP fragmentation; TCP segmentation	H04L69/166	H04L69/166		745
H04L69/167	9	Adaptation for transition between two IP versions, e.g. between IPv4 and IPv6 (translation of Internet protocol [IP] addresses H04L61/2503)	H04L69/167	H04L69/167		692
H04L69/168	9	specially adapted for link layer protocols, e.g. asynchronous transfer mode [ATM], synchronous optical network [SONET] or point-to-point protocol [PPP]	H04L69/168	H04L69/168		654
H04L69/169	9	{Special adaptations of TCP, UDP or IP for interworking of IP based networks with other networks&#160; (protocols for interworking, protocol conversion&#160;H04L69/08)}	H04L69/16	H04L69/16		422
H04L69/18	8	Multiprotocol handlers, e.g. single devices capable of handling multiple protocols	H04L69/18	H04L69/18		6827
H04L69/22	8	Parsing or analysis of headers	H04L69/22	H04L69/22		19269
H04L69/24	8	Negotiation of communication capabilities	H04L69/24	H04L69/24		3428
H04L69/26	8	{Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12)}	H04L69/00	H04L69/26		2895
H04L69/28	8	Timers or timing mechanisms used in protocols	H04L69/28	H04L69/28		2862
H04L69/30	8	Definitions, standards or architectural aspects of layered protocol stacks	H04L69/30	H04L69/30		440
H04L69/32	9	Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level<br><br><u>WARNING</u><br>Group H04L69/32 is impacted by reclassification into groups H04L69/321, H04L69/322, H04L69/323, H04L69/324, H04L69/325, H04L69/326, H04L69/327, H04L69/328, and H04L69/329. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L69/32	H04L69/32		1408
H04L69/321	10	Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers<br><br><u>WARNING</u><br>Group H04L69/321 is incomplete pending reclassification of documents from group H04L69/32. <br>Groups H04L69/32 and H04L69/321 should be considered in order to perform a complete search.	H04L69/321	H04L69/321		1210
H04L69/322	10	Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions<br><br><u>WARNING</u><br>Groups H04L69/322H04L69/323, H04L69/324, H04L69/325, H04L69/326, H04L69/327, H04L69/328 and H04L69/329 are incomplete pending reclassification of documents from group H04L69/32. <br>All groups listed in this Warning should be considered in order to perform a complete search.	H04L69/322	H04L69/322		598
H04L69/323	11	in the physical layer [OSI layer 1]	H04L69/323	H04L69/323		1151
H04L69/324	11	in the data link layer [OSI layer 2], e.g. HDLC	H04L69/324	H04L69/324		3083
H04L69/325	11	in the network layer [OSI layer 3], e.g. X.25 (H04L69/16 takes precedence)	H04L69/325	H04L69/325		715
H04L69/326	11	in the transport layer [OSI layer 4] (H04L69/16 takes precedence)	H04L69/326	H04L69/326		1103
H04L69/327	11	in the session layer [OSI layer 5]	H04L69/327	H04L69/327		220
H04L69/328	11	in the presentation layer [OSI layer 6]	H04L69/328	H04L69/328		115
H04L69/329	11	in the application layer [OSI layer 7]	H04L69/329	H04L69/329		13240
H04L69/40	8	for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection (management of faults, events, alarms or notifications in data switching networks H04L41/06)	H04L69/40	H04L69/40		5687
H04L2101/00	7	Indexing scheme associated with group H04L61/00	H04L101/00	H04L101/00		17
H04L2101/30	8	Types of network names	H04L101/30	H04L101/30		389
H04L2101/32	9	containing non-Latin characters, e.g. Chinese domain names	H04L101/32	H04L101/32		47
H04L2101/33	9	containing protocol addresses or telephone numbers	H04L101/33	H04L101/33		139
H04L2101/345	9	containing wildcard characters	H04L101/345	H04L101/345		51
H04L2101/35	9	containing special prefixes	H04L101/35	H04L101/35		284
H04L2101/355	9	containing special suffixes	H04L101/355	H04L101/355		36
H04L2101/365	9	Application layer names, e.g. buddy names, unstructured names chosen by a user or home appliance name	H04L101/365	H04L101/365		225
H04L2101/37	9	E-mail addresses	H04L101/37	H04L101/37		217
H04L2101/375	9	Access point names [APN]	H04L101/375	H04L101/375		190
H04L2101/38	9	Telephone uniform resource identifier [URI]	H04L101/38	H04L101/38		91
H04L2101/385	9	Uniform resource identifier for session initiation protocol [SIP URI]	H04L101/385	H04L101/385		208
H04L2101/39	9	Globally routable user-agent uniform resource identifier [GRUU] for the session initiation protocol [SIP]	H04L101/39	H04L101/39		23
H04L2101/395	9	Internet protocol multimedia private identity [IMPI]; Internet protocol multimedia public identity [IMPU]	H04L101/395	H04L101/395		88
H04L2101/60	8	Types of network addresses	H04L101/60	H04L101/60		67
H04L2101/604	9	Address structures or formats	H04L101/604	H04L101/604		1171
H04L2101/618	9	Details of network addresses	H04L101/618	H04L101/618		145
H04L2101/622	10	Layer-2 addresses, e.g. medium access control [MAC] addresses	H04L101/622	H04L101/622		4816
H04L2101/627	10	Controller area network [CAN] identifiers	H04L101/627	H04L101/627		148
H04L2101/631	10	Small computer system interface [SCSI] addresses	H04L101/631	H04L101/631		28
H04L2101/636	10	IEEE1394 identification numbers	H04L101/636	H04L101/636		15
H04L2101/64	10	Asynchronous transfer mode [ATM] addresses	H04L101/64	H04L101/64		32
H04L2101/645	10	Fibre channel identifiers	H04L101/645	H04L101/645		118
H04L2101/65	10	Telephone numbers	H04L101/65	H04L101/65		449
H04L2101/654	10	International mobile subscriber identity [IMSI] numbers	H04L101/654	H04L101/654		391
H04L2101/659	10	Internet protocol version 6 [IPv6] addresses	H04L101/659	H04L101/659		1461
H04L2101/663	10	Transport layer addresses, e.g. aspects of transmission control protocol [TCP] or user datagram protocol [UDP] ports	H04L101/663	H04L101/663		508
H04L2101/668	9	Internet protocol [IP] address subnets	H04L101/668	H04L101/668		858
H04L2101/672	9	Short addresses	H04L101/672	H04L101/672		136
H04L2101/677	9	Multiple interfaces, e.g. multihomed nodes	H04L101/677	H04L101/677		302
H04L2101/681	9	using addresses for wireless personal area networks or wireless sensor networks, e.g. Zigbee addresses	H04L101/681	H04L101/681		207
H04L2101/686	9	using dual-stack hosts, e.g. in Internet protocol version 4 [IPv4]/Internet protocol version 6 [IPv6] networks	H04L101/686	H04L101/686		393
H04L2101/69	9	using geographic information, e.g. room number	H04L101/69	H04L101/69		1111
H04L2101/695	9	using masks or ranges of addresses	H04L101/695	H04L101/695		269
H04L2201/00	7	Algorithms used for the adjustment of time-domain equalizers	CPCONLY	H04L2201/00		14
H04L2201/02	8	minimizing an error signal, e.g. least squares, minimum square error	CPCONLY	H04L2201/02		29
H04L2201/04	8	zero-forcing	CPCONLY	H04L2201/04		15
H04L2201/06	8	using the output of a maximum likelihood decoder (Viterbi detector)	CPCONLY	H04L2201/06		41
H04L2201/08	8	Algorithms not covered by groups H04L2201/02&#160;-&#160;H04L2201/06	CPCONLY	H04L2201/08		9
H04L2203/00	7	Characteristics of phase shift key signals	CPCONLY	H04L2203/00		6
H04L2203/02	8	differential	CPCONLY	H04L2203/02		5
H04L2203/04	8	continuous phase	CPCONLY	H04L2203/04		1
H04L2209/00	7	Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00	CPCONLY	H04L2209/00		12
H04L2209/04	8	Masking or blinding	CPCONLY	H04L2209/04		591
H04L2209/043	9	of tables, e.g. lookup, substitution or mapping	CPCONLY	H04L2209/043		274
H04L2209/046	9	of operations, operands or results of the operations	CPCONLY	H04L2209/046		493
H04L2209/08	8	Randomization, e.g. dummy operations or using noise	CPCONLY	H04L2209/08		1842
H04L2209/12	8	Details relating to cryptographic hardware or logic circuitry	CPCONLY	H04L2209/12		2866
H04L2209/122	9	Hardware reduction or efficient architectures	CPCONLY	H04L2209/122		514
H04L2209/125	9	Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations	CPCONLY	H04L2209/125		1014
H04L2209/127	9	Trusted platform modules [TPM]	CPCONLY	H04L2209/127		654
H04L2209/16	8	Obfuscation or hiding, e.g. involving white box	CPCONLY	H04L2209/16		1043
H04L2209/20	8	Manipulating the length of blocks of bits, e.g. padding or block truncation	CPCONLY	H04L2209/20		472
H04L2209/24	8	Key scheduling, i.e. generating round keys or sub-keys for block encryption	CPCONLY	H04L2209/24		1229
H04L2209/26	8	Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm	CPCONLY	H04L2209/26		575
H04L2209/30	8	Compression, e.g. Merkle-Damgard construction	CPCONLY	H04L2209/30		653
H04L2209/34	8	Encoding or coding, e.g. Huffman coding or error correction	CPCONLY	H04L2209/34		1437
H04L2209/42	8	Anonymization, e.g. involving pseudonyms	CPCONLY	H04L2209/42		1541
H04L2209/46	8	Secure multiparty computation, e.g. millionaire problem	CPCONLY	H04L2209/46		1581
H04L2209/463	9	Electronic voting	CPCONLY	H04L2209/463		773
H04L2209/466	9	Electronic auction	CPCONLY	H04L2209/466		50
H04L2209/50	8	Oblivious transfer	CPCONLY	H04L2209/50		216
H04L2209/56	8	Financial cryptography, e.g. electronic payment or e-cash	CPCONLY	H04L2209/56		8149
H04L2209/60	8	Digital content management, e.g. content distribution	CPCONLY	H04L2209/60		2740
H04L2209/601	9	Broadcast encryption	CPCONLY	H04L2209/601		489
H04L2209/603	9	Digital right managament [DRM]	CPCONLY	H04L2209/603		1329
H04L2209/605	9	Copy protection	CPCONLY	H04L2209/605		248
H04L2209/606	9	Traitor tracing	CPCONLY	H04L2209/606		89
H04L2209/608	9	Watermarking	CPCONLY	H04L2209/608		617
H04L2209/64	8	Self-signed certificates	CPCONLY	H04L2209/64		135
H04L2209/68	8	Special signature format, e.g. XML format	CPCONLY	H04L2209/68		210
H04L2209/72	8	Signcrypting, i.e. digital signing and encrypting simultaneously	CPCONLY	H04L2209/72		864
H04L2209/76	8	Proxy, i.e. using intermediary entity to perform cryptographic operations	CPCONLY	H04L2209/76		933
H04L2209/80	8	Wireless	CPCONLY	H04L2209/80		6528
H04L2209/805	9	Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor	CPCONLY	H04L2209/805		3134
H04L2209/84	8	Vehicles	CPCONLY	H04L2209/84		3289
H04L2209/88	8	Medical equipments	CPCONLY	H04L2209/88		997
H04L2212/00	7	Encapsulation of packets	CPCONLY	H04L2212/00		1876
H04L2463/00	7	Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00	CPCONLY	H04L2463/00		6
H04L2463/041	8	using an encryption or decryption engine integrated in transmitted data	CPCONLY	H04L2463/041		92
H04L2463/061	8	applying further key derivation, e.g. deriving traffic keys from a pair-wise master key	CPCONLY	H04L2463/061		730
H04L2463/062	8	applying encryption of the keys	CPCONLY	H04L2463/062		1527
H04L2463/081	8	applying self-generating credentials, e.g. instead of receiving credentials from an authority or from another peer, the credentials are generated at the entity itself	CPCONLY	H04L2463/081		190
H04L2463/082	8	applying multi-factor authentication	CPCONLY	H04L2463/082		2269
H04L2463/101	8	applying security measures for digital rights management	CPCONLY	H04L2463/101		2162
H04L2463/102	8	applying security measure for e-commerce	CPCONLY	H04L2463/102		1679
H04L2463/103	8	applying security measure for protecting copyright	CPCONLY	H04L2463/103		383
H04L2463/121	8	Timestamp	CPCONLY	H04L2463/121		1281
H04L2463/141	8	Denial of service attacks against endpoints in a network	CPCONLY	H04L2463/141		351
H04L2463/142	8	Denial of service attacks against network infrastructure	CPCONLY	H04L2463/142		171
H04L2463/143	8	Denial of service attacks involving systematic or selective dropping of packets	CPCONLY	H04L2463/143		49
H04L2463/144	8	Detection or countermeasures against botnets	CPCONLY	H04L2463/144		766
H04L2463/145	8	Detection or countermeasures against cache poisoning	CPCONLY	H04L2463/145		44
H04L2463/146	8	Tracing the source of attacks	CPCONLY	H04L2463/146		999
