H04B   1/00		롼ףȣ£ȣ£ñΥ롼פޤʤκΤˤäħŤʤκΣ	Details of transmission systems, not covered by a single one of groups <b>H04B3/00 to H04B13/00</b> ; Details of transmission systems not characterised by the medium used for transmission	20467
H04B   1/02		Σ	Transmitters	4123
H04B   1/03		¤κ㡥󥰡ϥ󥰡Σ	Constructional details, e.g. casings, housings	3007
H04B   1/034		Σ	Portable transmitters	3157
H04B   1/036		֡Σ	Cooling arrangements	1056
H04B   1/04		ϩΣ	Circuits	28650
H04B   1/06		Σ	Receivers	11034
H04B   1/08		¤κ㡥ӥͥåȡΣ	Constructional details, e.g. cabinet	12931
H04B   1/10		ޤϺ¤ޤް뤿μ˴طʡΣ	Means associated with receiver for limiting or suppressing noise or interference	26950
H04B   1/12		¡ʿդޤ֡Σ	Neutralising, balancing, or compensation arrangements	3704
H04B   1/14		ưΥĴ֡Σ	Automatic detuning arrangements	268
H04B   1/16		ϩΣ	Circuits	39567
H04B   1/18		ϲϩ㡥ƥʤޤط礹뤿ϲϩʼ˴طΤʤƥʤޤϩȼȤδ֤ηϩ֣ȣȡ  Σ	Input circuits, e.g. for coupling to an antenna or a transmission line (coupling networks between antennas or lines and receivers independent of the nature of the receiver <b>H03H</b>)	12317
H04B   1/20		߲ԥååס쥳Ϥޤϥޥۥ˷礹뤿ΤΡΣ	for coupling gramophone pick-up, recorder output, or microphone to receiver	3162
H04B   1/22		ưȯƤʤΤΤΡΣ	for receivers in which no local oscillation is generated	396
H04B   1/24		İʾŶˤͭȾƳ֤򾯤ʤȤ⣱ޤΡΣ	the receiver comprising at least one semiconductor device having three or more electrodes	111
H04B   1/26		ѡإƥѡ¿żȿѴȣģˡΣ	for superheterodyne receivers(multiple frequency-changing <b>H03D7/16</b>)	12393
H04B   1/28		İʾŶˤͭȾƳ֤򾯤ʤȤ⣱ޤΡΣ	the receiver comprising at least one semiconductor device having three or more electrodes	1303
H04B   1/30		ۥޤϥ󥯥ѡĴϩȣģˡΣ	for homodyne or synchrodyne receivers(demodulator circuits <b>H03D1/22</b>)	2416
H04B   1/38		ʤȼȤĤι¤˥åȤľʤȤʬӼǽΤѤ֡Σ	Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving	49318
H04B   1/3805		դͭΡΣ	with built-in auxiliary receivers	443
H04B   1/3816		֤Ƥ뤿εŪ֡㡥ɤޤϥåס֤ץߥ󥰤뤿ΥͥΣ	Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices	2477
H04B   1/3818		֤ޤϽưפˤ뤿֡Σ	Arrangements for facilitating insertion or removal of identification devices	1358
H04B   1/3822		ξǻѤ뤿äŬ礹Ρʣȣ£ͥˡΣ	specially adapted for use in vehicles(<b>H04B1/3827</b> takes precedence)	8217
H04B   1/3827		Σ	Portable transceivers	12531
H04B   1/3877		֤ǻѤǤ褦ˤ֡㡥졼ɥޤϥ֡Σ	Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters	1825
H04B   1/3883		ХåƥޤϥХåƥ꽼Ŵդ֡Σ	Arrangements for mounting batteries or battery chargers	1221
H04B   1/3888		֤ޤݸ֡Σ	Arrangements for carrying or protecting transceivers	6276
H04B   1/40		ϩΣ	Circuits	61228
H04B   1/401		ڥ졼ƥ󥰥⡼ɤޤɽ뤿ΤΡΣ	for selecting or indicating operating mode	4961
H04B   1/403		ȿȼȯȿξƱȯѤΡΣ	using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency	599
H04B   1/405		ʣ̡ΥͥѤΡΣ	with multiple discrete channels	128
H04B   1/408		ȯȿȯȿƱǤΡΣ	the transmitter oscillator frequency being identical to the receiver local oscillator frequency	92
H04B   1/44		ݼڤ괹Σ	Transmit/receive switching	5979
H04B   1/46		ȿˤΡѥåȿˤΡΣ	by voice-frequency signals; by pilot signals	801
H04B   1/48		ȼϩ³뤿βϩˤΡ㡥Υͥ륮ˤΡΣ	in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter	1766
H04B   1/50		̿˰ۤʤȿѤΡΣ	using different frequencies for the two directions of communication	2574
H04B   1/52		ϥ֥å֡ʤñϩ飲ϩϩñؤѴΤ֡ޤϤεաΣ	Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or <u>vice versa</u>	1469
H04B   1/525		ο椬ϳ̤뤳Ȥ㸺ʤͭΡΣ	with means for reducing leakage of transmitter signal into the receiver	2307
H04B   1/54		̿ƱȿѤΡʣȣ£ͥˡΣ	using the same frequency for two directions of communication(<b>H04B1/44</b> takes precedence)	916
H04B   1/56		Ʊ̿ΤΤΡΣ	with provision for simultaneous communication in two directions	901
H04B   1/58		ϥ֥å֡ʤñϩ飲ϩϩñؤѴΤ֡ޤϤεաΣ	Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or <u>vice versa</u>	1270
H04B   1/59		쥹ݥȥ󥹥ݥΣ	Responders; Transponders	7193
H04B   1/60		̵ѴδƻΣ	Supervising unattended repeaters	418
H04B   1/62		ˤ뿮ͽ襤Ӽˤ뤽ͽ襤ԤΤΡ㡥л뤿ΤΡΣ	for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio	1328
H04B   1/64		̰̤ޤϿĥ֡Σ	Volume compression or expansion arrangements	1078
H04B   1/66		Ӱ򸺾뤿ΤΡθΨ뤿ΤΡʣȣ£ͥˡΣ	for reducing bandwidth of signals; for improving efficiency of transmission(<b>H04B1/68</b> takes precedence)	6621
H04B   1/68		ȤޤϰĤ¦Ȥޤϰް뤿ΤΡΣ	for wholly or partially suppressing the carrier or one side band	689
H04B   1/69		ڥȥȻѡΣ<br><br><b><ul></ul></b><br>Υ롼פʬह硤˽פʾȹͤʬ¿Ųδϥ롼ףȣʣˤʬषƤ褤Σ	Spread spectrum techniques; <br><br><b><u>Note(s)</u></b><br><br><ul><li>When classifying in this group, any aspect of code division multiplexing, which is considered to represent information of interest for search, may also be classified in group <b>H04J13/00</b>.  </li></ul>	5657
H04B   1/692		ʾΥڥȥȻѤȹ礻Ѥϥ֥åɵѡΣ	Hybrid techniques using combinations of two or more spread spectrum techniques	239
H04B   1/707		ľܳȻѤΡΣ	using direct sequence modulation	14159
H04B   1/7073		Ʊ˴ؤΡΣ	Synchronisation aspects	1816
H04B   1/7075		ªΣ	with code phase acquisition	1731
H04B   1/7077		¿ʽ㡥ޥɥ롤ƱƱƱθڡΣ	Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation	336
H04B   1/708		Σ	Parallel implementation	253
H04B   1/7083		륵㡥ʳ륵ѤΡΣ	Cell search, e.g. using a three-step approach	603
H04B   1/7085		ɽ롼ס㡥ģ̣̤ѤΡΣ	using a code tracking loop, e.g. a delay-locked loop	786
H04B   1/7087		ȤƱΣ	Carrier synchronisation aspects	580
H04B   1/709		شι¤Σ	Correlator structure	971
H04B   1/7093		ޥåɥե륿Σ	Matched filter type	736
H04B   1/7095		饤ǥ󥰥졼Σ	Sliding correlator type	119
H04B   1/7097		Ĥ˴ؤΡΣ	Interference-related aspects	1290
H04B   1/71		Ӱ贳Ĥ˴ؤΡΣ	the interference being narrowband interference	446
H04B   1/7103		ޥĤ˴ؤΡΣ	the interference being multiple access interference	654
H04B   1/7105		縡еѡ㡥ľȴΣ	Joint detection techniques, e.g. linear detectors	561
H04B   1/7107		ˤ봳ĽΣ	Subtractive interference cancellation	828
H04B   1/711		ޥѥĤ˴ؤΡΣ	the interference being multi-path interference	593
H04B   1/7113		ѥΥץե¬Σ	Determination of path profile	402
H04B   1/7115		ޥѥιʤңˣżΣ	Constructive combining of multi-path signals, i.e. RAKE receivers	982
H04B   1/7117		ե󥬤Υѥ򡤺򡤳ƤޤϺƳơ㡥Ƥ줿ե󥬤Υߥ󥰥եåȤĴΣ	Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers	633
H04B   1/712		ե󥬤νŤդ㡥ʡ롼פѤ͵ڤӰͤΣ	Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop	452
H04B   1/713		ȿۥåԥѤΡΣ	using frequency hopping	4746
H04B   1/7136		ۥåԥ󥰼ȿĴ㡥ȿΥХ󥯤ѤΡޤϢ³ƱĴѤΡ뤤ѰѤΡΣ	Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform	864
H04B   1/7143		ۥåԥ󥰥ѥĴΣ	Arrangements for generation of hop patterns	958
H04B   1/715		Ĥ˴ؤΡΣ	Interference-related aspects	1538
H04B   1/7156		ƱĴΣ	Arrangements for sequence synchronisation	859
H04B   1/7163		ѥ륹̵ѤΡΣ	using impulse radio	1172
H04B   1/717		ѥ륹˴ؤΡΣ	Pulse-related aspects	470
H04B   1/7176		ǡޥåԥ󥰡㡥ĴΣ	Data mapping, e.g. modulation	267
H04B   1/7183		Ʊ˴ؤΡΣ	Synchronisation	392
H04B   1/719		Ĥ˴ؤΡΣ	Interference-related aspects	349
H04B   1/72		ƥʤ򵼻뤿βϩޤϹǡ㡥ƥʡΣ	Circuits or components for simulating antennas, e.g. dummy antennas	65
H04B   1/74		ΤΡ㡥Ĺʤޤͽβޤ֤ѤΡΣ	for increasing reliability, e.g. using redundant or spare channels or apparatus	5821
H04B   1/76		ޤΤΥѥåȿޤϼΣ	Pilot transmitters or receivers for control of transmission or for equalising	821
H04B   3/00		ͭʶżȷ礷Σȣ£	Line transmission systems(combined with near-field transmission systems <b>H04B5/00</b>)	4475
H04B   3/02			Details	2258
H04B   3/03		ϥ֥åɲϩΤΤΣȣ£ȣ£ˡΣ	Hybrid circuits(for transceivers <b>H04B1/52</b>, <b>H04B1/58</b>)	743
H04B   3/04		桨	Control of transmission; Equalising	5430
H04B   3/06		줿ˤ	by the transmitted signal	3262
H04B   3/08		ϩ鵢ϩˤ	in negative-feedback path of line amplifier	180
H04B   3/10		ѥåȿˤ	by pilot signal	1943
H04B   3/11		ƻѤΡʣȣ£ͥˡΣ	using pilot wire(<b>H04B3/12</b> take precedence)	76
H04B   3/12		ϩ鵢ϩˤ	in negative-feedback path of line amplifier	83
H04B   3/14		Ѥϩ֤ħΤ	characterised by the equalising network used	1681
H04B   3/16		Ѥԡ󥹲ϩ֤ħΤ	characterised by the negative-impedance network used	172
H04B   3/18		βϩ֤ȾƳ֤ޤ	wherein the network comprises semiconductor devices	178
H04B   3/20		ȿ̤ޤϥ󥮥󥰤㸺ϩγޤޤ¾ΤĴ	Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other	3043
H04B   3/21		ȤӰե륿ѤΡΣ	using a set of bandfilters	199
H04B   3/23		ΰˤ줿ʣѤΡ㡥ȿõΣ	using a replica of transmitted signal in the time domain, e.g. echo cancellers	3989
H04B   3/26		ؤλѤˤȿβ	Improving frequency characteristic by the use of loading coils	189
H04B   3/28		֥륷ޤϤͶƳή˵봳Ĥ㸺	Reducing interference caused by currents induced in cable sheathing or armouring	716
H04B   3/30		ʤʿդƤϩˤʿή˵봳Ĥ㸺Σ	Reducing interference caused by unbalanced currents in a normally balanced line	611
H04B   3/32		ϳä㸺㡥ˤ	Reducing cross-talk, e.g. by compensating	2189
H04B   3/34		ߥ֥ȿŪ³ˤΡߥ֥ʿդȤǤղä	by systematic interconnection of lengths of cable during laying; by addition of balancing components to cable during laying	348
H04B   3/36		Ѵϩʣȣ£ͥ	Repeater circuits(<b>H04B3/58</b> takes precedence)	3401
H04B   3/38		Ʊϩȿۤʤ룲ĤμȿϰϤˤ뿮ΤΤ	for signals in two different frequency ranges transmitted in opposite directions over the same transmission path	381
H04B   3/40		ϩĹϩ򵼻ϩ	Artificial lines; Networks simulating a line of certain length	420
H04B   3/42		ƽп¦ϩΤβϩ	Circuits for by-passing of ringing signals	110
H04B   3/44		ˤѴؤ϶	Arrangements for feeding power to a repeater along the transmission line	1319
H04B   3/46		ƻ롨Σ	Monitoring; Testing	9485
H04B   3/462		ٱޤϰаܤλ㡥ߥ󥰥åΣ	Testing group delay or phase shift, e.g. timing jitter	193
H04B   3/466		ٱޤϰаܤξʤȤ⤤줫ĤȤ߹碌λΣ	Testing attenuation in combination with at least one of group delay and phase shift	41
H04B   3/48		λʣȣ£ͥˡΣ	Testing attenuation(<b>H04B3/466</b> takes precedence)	555
H04B   3/487		ϳø̤λΣ	Testing crosstalk effects	375
H04B   3/493		ȿ̤ޤϥ󥮥󥰤λΣ	Testing echo effects or singing	109
H04B   3/50		ܤѤɴ֤ʣȣ£ͥ	Systems for transmission between fixed stations <u>via</u> two-conductor transmission lines(<b>H04B3/54</b> takes precedence)	1408
H04B   3/52		֥ɤѤɴ֤	Systems for transmission between fixed stations <u>via</u> waveguides	556
H04B   3/54		Ѥʷ󥷥ƥˤΣǣ£	Systems for transmission <u>via</u> power distribution lines(in alarm signalling systems <b>G08B25/06</b>)	18862
H04B   3/56		η硤Ǥޤ¦ϩΤβϩ	Circuits for coupling, blocking, or by-passing of signals	2883
H04B   3/58		Ѵϩ	Repeater circuits	645
H04B   3/60		Ū˰ưǽʶɴ֤̿㡥١Ȥ̿ʣȣ£ͥ	Systems for communication between relatively movable stations, e.g. for communication with lift(<b>H04B3/54</b> takes precedence)	639
H04B   5/00		żƥࡤ㡥ͶƳޤƥΣ	Near-field transmission systems, e.g. inductive or capacitive transmission systems	24164
H04B   5/20		ѤħΤΡΤħΤΡΣ	characterised by the transmission technique; characterised by the transmission medium	91
H04B   5/22		̷Σ	Capacitive coupling	68
H04B   5/24		ͶƳΣ	Inductive coupling	183
H04B   5/26		ѤΡΣ	using coils	530
H04B   5/28		ϳ̥֥ζܾѤΡ㡥ϳƱ֥Σ	using the near field of leaky cables, e.g. of leaky coaxial cables	32
H04B   5/40		żäŬ礷ǤħΤΡΣ	characterised by components specially adapted for near-field transmission	267
H04B   5/43		ƥʡΣ	Antennas	299
H04B   5/45		ȥ󥹥ݥΣ	Transponders	101
H04B   5/48		Σ	Transceivers	14412
H04B   5/70		ŪäŬ礷ΡΣ	specially adapted for specific purposes	424
H04B   5/72		ǥХζɽ̿ΤΤΡΣ	for  local intradevice communication	313
H04B   5/73		¬ꤹ뤿ΤΡ㡥󥷥󥰥ѤΡΣ	for taking measurements, e.g. using sensing coils	151
H04B   5/75		졼ŪȤΡΣ	for isolation purposes	32
H04B   5/77		ΤΤΡΣ	for interrogation	543
H04B   5/79		Ȥ߹蘆줿ǡΤΤΡΣ	for data transfer in combination with power transfer	882
H04B   7/00		̵ʤżѤΡʣȣ£ȣ£ͥˡΣ	Radio transmission systems, i.e. using radiation field(<b>H04B10/00</b>, <b>H04B15/00</b> take precedence)	22655
H04B   7/005		桨Σ	Control of transmission; Equalising	13458
H04B   7/01		аܤ㸺Σ	Reducing phase shift	866
H04B   7/015		ȿ̤㸺Σ	Reducing echo effects	528
H04B   7/02		СƥࡨޥƥʥƥࡤʤʣΥƥʤѤޤϼʣңˣżȣ£ˡΣ	Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas (RAKE receivers <b>H04B1/7115</b>)	10166
H04B   7/022		ȥСޥСΥ֤줿ʾΩƥʤѤΣȣ£ˡΣ	Site diversity; Macro-diversity (using two or more spaced independent antennas <b>H04B7/04</b>)	1003
H04B   7/024		ĤˤʣΥƥʤζĴѡ㡥¿Ĵƥˤ϶Ĵ¿¿ϡΣͣɣͣϡϥƥˤΡΣ	Co-operative use of antennas at several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems	3472
H04B   7/026		ĴС㡥ɤޤϰưɤѶɤȤƻѤΡΣ	Co-operative diversity, e.g. using fixed or mobile stations as relays	666
H04B   7/04		Υ֤줿ʾΩƥʤѤΡΣ	using two or more spaced independent antennas	20077
H04B   7/0404		ʣΥƥʤޤưɡ㡥åץ󥯥С󶡤뤿ΤΡΣ	the mobile station comprising multiple antennas, e.g. to provide uplink diversity	2667
H04B   7/0408		ʾΥӡѤΡʤӡСΣ	using two or more beams, i.e. beam diversity	3559
H04B   7/0413		ͣɣͣϥƥΣ	MIMO systems	11030
H04B   7/0417		եɥХåƥΣ	Feedback systems	2687
H04B   7/0426		ϤʬۡΣ	Power distribution	1989
H04B   7/0452		ޥ桼ͣɣͣϥƥΣ	Multi-user MIMO systems	3987
H04B   7/0456		ץꥳǥ󥰥ޥȥꥯϥɥ֥å㡥ƥʽդΤΥޥȥꥯѤΡΣ	Selection of precoding matrices or codebooks, e.g. using matrices for antenna weighting	9102
H04B   7/0491		ʾΥѤΡʤСΣ	using two or more sectors, i.e. sector diversity	230
H04B   7/0495		ͣɣͣϥƥʤ뤿Ʊ϶νʣѤΡΣ	using overlapping sectors in the same base station to implement MIMO antennas	38
H04B   7/06		ɤˤΡΣ	at the transmitting station	41514
H04B   7/08		ɤˤΡΣ	at the receiving station	24908
H04B   7/10		ȥСظСΣ	Polarisation diversity; Directional diversity	6744
H04B   7/12		ȿСΣ	Frequency diversity	1729
H04B   7/14		Σ	Relay systems	7043
H04B   7/145		ưΣ	Passive relay systems	1157
H04B   7/15		ǽưΣ	Active relay systems	9790
H04B   7/155		Ͼɡʣȣ£ͥˡΣ	Ground-based stations(<b>H04B7/204</b> takes precedence)	12781
H04B   7/165		ĴѤΡΣ	employing angle modulation	315
H04B   7/17		ѥ륹ĴѤΡ㡥ѥ륹ĴΣ	employing pulse modulation, e.g. pulse code modulation	260
H04B   7/185		ɤޤϹҶܶɡʣȣ£ͥˡΣ	Space-based or airborne stations(<b>H04B7/204</b> takes precedence)	34753
H04B   7/19		ϵƱɡΣ	Earth-synchronous stations	599
H04B   7/195		ƱɡΣ	Non-synchronous stations	662
H04B   7/204		¿³Σ	Multiple access	2138
H04B   7/208		ȿʬ¿³Σ	Frequency-division multiple access	1262
H04B   7/212		ʬ¿³Σ	Time-division multiple access	4619
H04B   7/216		ʬޤϥڥȥȻ¿³Σ	Code-division or spread-spectrum multiple access	5474
H04B   7/22		Σ	Scatter propagation systems	1057
H04B   7/24		İʾ֤̿ΤΤΡ̵̿ͥåȥȣסˡΣ	for communication between two or more posts(wireless communication networks <b>H04W</b>)	8966
H04B   7/26		ȤĤưǤΡΣ	at least one of which is mobile	85153
H04B  10/00		̵Ȱʳżȡ㡥ֳĻޤϻ糰Ѥ롤ޤγ㡥̻̿ѤΣ<br><br><b><ul></ul></b><br>Υ롼פˤƤϡŪϥ롼ףȣ£ʬवΣ	Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; <br><br><b><u>Note(s)</u></b><br><br><ul><li>In this group, non-optical transmission systems are classified in group <b>H04B10/90</b>.  </li></ul>	20155
H04B  10/03		㳲Τ֡Σ	Arrangements for fault recovery	2908
H04B  10/032		ͽѤΡΣ	using working and protection systems	3700
H04B  10/035		롼ץХåѤΡΣ	using loopbacks	835
H04B  10/038		ХѥѤΡΣ	using bypasses	1222
H04B  10/07		δƻޤϻΤ֡ξ㳲¬Τ֡Σ	Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems	15690
H04B  10/071		ȿͿѤΡ㡥Ūΰȿ¬ΣϣԣģҡϤѤΡΣ	using a reflected signal, e.g. using optical time domain reflectometers [OTDR]	3858
H04B  10/073		ȥ֥ӥοѤΡʣȣ£ͥˡΣ	using an out-of-service signal(<b>H04B10/071</b> takes precedence)	1249
H04B  10/075		󥵡ӥοѤΡʣȣ£ͥˡΣ	using an in-service signal(<b>H04B10/071</b> takes precedence)	1345
H04B  10/077		ƻ뿮ޤղÿѤΡΣ	using a supervisory or additional signal	5913
H04B  10/079		ǡ¬ѤΡΣ	using measurements of the data signal	11844
H04B  10/11		ͳʤ絤ޤϿ𤹤ͭ֡Σ	Arrangements specific to free-space transmission, i.e. transmission through air or vacuum	8825
H04B  10/112		ĥϰϤˤ錄븫̤Σ	Line-of-sight transmission over an extended range	4196
H04B  10/114		ޤ϶ΥΣ	Indoor or close-range type systems	5330
H04B  10/116		Ļ̿Σ	Visible light communication	7896
H04B  10/118		̿äŬ礹ΡΣ	specially adapted for satellite communication	1916
H04B  10/25		եСͭ֡Σ	Arrangements specific to fibre transmission	14854
H04B  10/2507		ҤߤޤʬθޤϽΤΤΡΣ	for the reduction or elimination of distortion or dispersion	9210
H04B  10/2513		ʬΤΤΡΣ	due to chromatic dispersion	1760
H04B  10/2519		֥å졼ƥ󥰤ѤΡΣ	using Bragg gratings	467
H04B  10/2525		ʬեСѤΡΣ	using dispersion-compensating fibres	1295
H04B  10/2531		ڥȥȿžѤΡΣ	using spectral inversion	96
H04B  10/2537		ѡ㡥ޥޤϥ֥륢𡤤ΤΤΡΣ	due to scattering processes, e.g. Raman or Brillouin scattering	618
H04B  10/2543		եС㡥̡ΤΤΡΣ	due to fibre non-linearities, e.g. Kerr effect	625
H04B  10/255		ʰĴΣӣУ͡ϡΣ	Self-phase modulation [SPM]	180
H04B  10/2557		߰ĴΣأУ͡ϡΣ	Cross-phase modulation [XPM]	206
H04B  10/2563		͸ȺΣƣף͡ϡΣ	Four-wave mixing [FWM]	282
H04B  10/2569		ȥ⡼ʬΣУͣġϤΤΤΡΣ	due to polarisation mode dispersion [PMD]	643
H04B  10/2575		饸СեС㡥ȾĴ줿̵ȿΣ	Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier	4189
H04B  10/2581		ޥ⡼Σ	Multimode transmission	2410
H04B  10/2587		ʣɤΤñθѤΡΣ	using a single light source for multiple stations	261
H04B  10/27		ͥåȥ֡Σ	Arrangements for networking	9918
H04B  10/272		ͥåȥΣ	Star-type networks	4158
H04B  10/275		󥰷ͥåȥΣ	Ring-type networks	2267
H04B  10/278		ХͥåȥΣ	Bus-type networks	1177
H04B  10/29		ѶɡΣ	Repeaters	7490
H04B  10/291		ޤ翮θ֤Ѵʤ˹ԤΡΣ	in which processing or amplification is carried out without conversion of the main signal from optical form	3434
H04B  10/293		Σ	Signal power control	3530
H04B  10/294		¿ĹˤΡ㡥Σ	in a multiwavelength system, e.g. gain equalisation	1429
H04B  10/296		Ū桤㡥ͥΥɡɥåפޤϤεưΤΤΡΣ	Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power	588
H04B  10/297		Σ	Bidirectional amplification	621
H04B  10/299		ȷ㡥ȷޤϥ꥿ߥ󥰡Σ	Signal waveform processing, e.g. reshaping or retiming	552
H04B  10/40		Σ	Transceivers	14062
H04B  10/43		ӼȤñǤѤΡ㡥ȤƸдѤΡΣ	using a single component as both light source and receiver, e.g. using a photoemitter as a photoreceiver	1010
H04B  10/50		Σ	Transmitters	15112
H04B  10/508		ѥ륹㡥ȥΣ	Pulse generation, e.g. generation of solitons	959
H04B  10/516		沽ޤĴκΣ	Details of coding or modulation	7944
H04B  10/524		ѥ륹ĴΣ	Pulse modulation	4149
H04B  10/532		ĴΣ	Polarisation modulation	919
H04B  10/54		ĴΣ	Intensity modulation	4898
H04B  10/548		ޤϼȿĴΣ	Phase or frequency modulation	2911
H04B  10/556		ǥĴ㡥ưаĴΣģУӣˡϤޤϼȿаĴΣ	Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]	4392
H04B  10/564		Σ	Power control	5126
H04B  10/572		ĹΣ	Wavelength control	3931
H04B  10/58		ϤΤΣ	Compensation for non-linear transmitter output	1748
H04B  10/588		ĴˤΡΣ	in external modulation systems	550
H04B  10/60		Σ	Receivers	8833
H04B  10/61		ҡȼΣ	Coherent receivers	6769
H04B  10/63		ۥΣ	Homodyne	290
H04B  10/64		إƥΣ	Heterodyne	405
H04B  10/66		󥳥ҡȼ㡥ľܸȤѤΡΣ	Non-coherent receivers, e.g. using direct detection	1024
H04B  10/67		θŪΣ	Optical arrangements in the receiver	2471
H04B  10/69		ŵŪΣ	Electrical arrangements in the receiver	4815
H04B  10/70		̻̿Σ	Photonic quantum communication	4260
H04B  10/80		αѤΤθѤ˴طŪǤäơ롼ףȣ£ȣ£ʬवʤΡ㡥ŤޤϿ𤹤Σ	Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups <b>H04B10/03 to H04B10/70</b> , e.g. optical power feeding or optical transmission through water	5946
H04B  10/85		ĤƤʤݸ㡥İɻߡΣ	Protection from unauthorised access, e.g. eavesdrop protection	1192
H04B  10/90		Ū㡥ŪγѤΣ	Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation	637
H04B  11/00		ĶȡȡޤϰȤѤΣ	Transmission systems employing ultrasonic, sonic or infrasonic waves	5253
H04B  13/00		ΤˤäħŤǤäơ롼ףȣ£ȣ£ʬवʤ	Transmission systems characterised by the medium used for transmission, not provided for in groups <b>H04B3/00 to H04B11/00</b> 	2490
H04B  13/02		ΤϤޤϾ̤ο夫ʤꤿäƤȤ㡥ſ	Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy	4056
H04B  14/00		ΤˤäħŤʤʤκȣ£ˡΣ	Transmission systems not characterised by the medium used for transmission(details thereof <b>H04B1/00</b>)	1838
H04B  14/02		ѥ륹ĴλѤˤäħŤΡ̵ѤˤΣȣ£ˡΣ	characterised by the use of pulse modulation(in radio transmission relays <b>H04B7/17</b>)	1413
H04B  14/04		ѥ륹ĴѤΡΣ	using pulse code modulation	5430
H04B  14/06		ʬĴ㡥ǥ륿ĴѤΡΣ	using differential modulation, e.g. delta modulation	1702
H04B  14/08		ȤλѤˤäħŤΡΣ	characterised by the use of a sub-carrier	195
H04B  15/00		ޤϺްޤ¡ʼȷ礷ʤˤΣȣ£	Suppression or limitation of noise or interference(by means associated with receiver <b>H04B1/10</b>)	11130
H04B  15/02		򵯤֤ޤϤζ˵֤줿ʤˤäŵŪ֤κ㸺	Reducing interference from electric apparatus by means located at or near the interfering apparatus	2911
H04B  15/04		¼Ūȿư˵Ρ㡥ˤΤޤϥơץ쥳ˤ	the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder	649
H04B  15/06		ζȯˤ	by local oscillators of receivers	502
H04B  17/00		ƻ롨ͭδƻޤϻȣ£̵ȰʳżȤѤƻޤϻ뤿֣ȣ£ˡΣ	Monitoring; Testing(of line transmission systems <b>H04B3/46</b>; arrangements for monitoring or testing transmission systems employing electromagnetic waves other than radio waves <b>H04B10/07</b>)	28997
H04B  17/10		ˤΡΣ	of transmitters	3269
H04B  17/11		֥졼ΤΤΡΣ	for calibration	1746
H04B  17/12		ƥʤˤΡ㡥ޤϰΣ	of transmit antennas, e.g. of amplitude or phase	1946
H04B  17/13		ˤΡ㡥ޤΣ	of power amplifiers, e.g. of gain or non-linearity	549
H04B  17/14		ӼѥΤˤΡ㡥ʻ롼ץХåΣ	of the whole transmission and reception path, e.g. self-test loop-back	609
H04B  17/15		ǽΣ	Performance testing	2534
H04B  17/16		֤줿֡Σ	Test equipment located at the transmitter	469
H04B  17/17		ɽޤԴǽθС㡥кʣȣ£ͥˡΣ	Detection of non-compliance or faulty performance, e.g. response deviations(<b>H04B17/18</b> takes precedence)	1115
H04B  17/18		̾ƯδƻΣ	Monitoring during normal operation	886
H04B  17/19		ʻ֡Σ	Self-testing arrangements	594
H04B  17/20		ˤΡΣ	of receivers	1980
H04B  17/21		֥졼ΤΤΡ¬ͤΤΤΡΣ	for calibration; for correcting measurements	2903
H04B  17/23		ɽʡ㡥ǥץ쥤ޤϲİʡΣ	Indication means, e.g. displays, alarms or audible means	1047
H04B  17/24		ؤ¬ͤΥեɥХåȼΡΣ	with feedback of measurements to the transmitter	1435
H04B  17/26		͡ʿͤޤͤѤΡΣ	using historical data, averaging values or statistics	380
H04B  17/27		ΰָФޤϰַΤΤΡΣ	for locating or positioning the transmitter	1038
H04B  17/29		ǽΣ	Performance testing	4509
H04B  17/30		¥ͥˤΡΣ	of propagation channels	2199
H04B  17/309		ͥʼѥ᡼¬ޤϿΣ	Measuring or estimating channel quality parameters	8382
H04B  17/318		涯١Σ	Received signal strength	12365
H04B  17/327		ϡΣңӣãСϡΣ	Received signal code power [RSCP]	949
H04B  17/336		дΣӣɣҡϤޤдΣãɣҡϡΣ	Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]	4390
H04B  17/345		͡ʣȣ£ͥˡΣ	Interference values(<b>H04B17/336</b> takes precedence)	4378
H04B  17/354		ܥͥϳϡΣ	Adjacent channel leakage power	196
H04B  17/364		ٱץեΣ	Delay profiles	796
H04B  17/373		ͥʼѥ᡼ͽ¬Σ	Predicting channel quality parameters	1560
H04B  17/382		꥽ơɥߥå󥳥ȥޤϥϥɥФΤΤΡΣ	for resource allocation, admission control or handover	4961
H04B  17/391		¥ͥΥǥ󥰡Σ	Modelling the propagation channel	7724
H04B  17/40		ˤΡΣ	of relay systems	3605
