Validity Report
Full Report
US7917102B2 — Radio transmitting apparatus and radio transmission method
Priority Date: 2003-08-07, Publication Date: 2011-03-29, Current Assignee: Redwood Technologies LLCReport Generated: 2022-02-25

Results

Patent Id
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Title
Patent Type
Publication Date
Priority Date
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Search Efficiency
Original Assignee
Current Assignee
EP1553714A11.192COMMUNICATING METHOD  TRANSMITTING DEVICE USING THE SAME  AND RECEIVING DEVICE USING THE SAMEGRANT2005-07-132002-07-1630117469GreatPanasonic CorpOptis Wireless Technology LLC
EP1445884A11.185TRANSMISSION METHOD  TRANSMISSION APPARATUS  AND RECEPTION APPARATUSGRANT2004-08-112001-11-1327482676GreatPanasonic CorpPanasonic Corp
EP1199830A21.087Modification of constellation for pilot signalsGRANT2002-04-242000-10-2027481723GreatPanasonic CorpPanasonic Corp, Panasonic Intellectual Property Corp of America
EP1401133A11.059MULTICARRIER TRANSMITTER&comma| MULTICARRIER RECEIVER&comma| AND MULTICARRIER WIRELESS COMMUNICATION METHODGRANT2004-03-242001-06-2926617936GreatPanasonic CorpPanasonic Corp
EP1416657A11.013TRANSMISSION DEVICE&comma| RECEPTION DEVICE AND RADIO COMMUNICATION METHODGRANT2004-05-062001-08-1027347327GreatPanasonic CorpPanasonic Corp, InterDigital Patent Holdings Inc, Panasonic Intellectual Property Corp of America
EP1229678B11.001BASE STATION APPARATUS  COMMUNICATION TERMINAL APPARATUS AND COMMUNICATION METHODGRANT2006-01-182000-08-2518744288GreatPanasonic CorpPanasonic Corp
US7308033B20.974Apparatus and method for tracking residual frequency offset for single carrier-frequency domain equalizer systemGRANT2007-12-112002-10-2232089749GreatElectronics and Telecommunications Research Institute ETRIElectronics and Telecommunications Research Institute ETRI
EP1170897A10.973Pilot pattern design for a STTD scheme in an OFDM systemGRANT2002-01-092000-07-058169170GreatSony International Europe GmbHWI-FI ONE TECHNOLOGIES INTERNATIONAL LIMITED, Sony Deutschland GmbH
EP1128586A20.972Digital radio communication system and method with adaptive modulationGRANT2001-08-292000-02-2526586076GreatPanasonic CorpPanasonic Corp
EP1641163A10.971TRANSMISSION METHOD  TRANSMISSION APPARATUS AND COMMUNICATION SYSTEMGRANT2006-03-292003-06-3033554498GreatPanasonic CorpPanasonic Corp, Panasonic Intellectual Property Corp of America, Wi-Fi One LLC
EP1290809B10.962APPARATUS AND METHOD FOR TRANSMISSION DIVERSITY USING MORE THAN TWO ANTENNASGRANT2005-11-232000-05-2536089224GoodSamsung Electronics Co LtdSamsung Electronics Co Ltd
EP1075099A20.956Apparatus for the transmission and reception of data and method for digital radio communicationGRANT2001-02-071999-07-2816636662GoodPanasonic CorpPanasonic Corp
EP1374513B10.951METHOD FOR FRAME AND FREQUENCY SYNCHRONIZATION OF AN OFDM SIGNAL AND METHOD FOR TRANSMITTING AN OFDM SIGNALGRANT2018-03-072001-03-287679344GoodRobert Bosch GmbHRobert Bosch GmbH
EP1420529A20.951Receiving apparatus  transmitting apparatus  and reception method in mimo systemGRANT2004-05-192002-11-1332180628GoodPanasonic CorpPanasonic Corp
EP1453261B10.946Channel estimation method for a mobile communication systemGRANT2017-09-202003-02-2832767815GoodHitachi Maxell LtdMaxell Holdings Ltd, Hitachi Consumer Electronics Co Ltd
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EP1442549A10.934SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMSGRANT2004-08-042001-10-1726715614GoodNortel Networks LtdBlackBerry Ltd
EP1425892A20.933SPREAD SPECTRUM RECEIVER WITH FREQUENCY TRACKING WHICH USES PILOTS SIGNALSGRANT2004-06-092001-09-1025490816GoodQualcomm IncQualcomm Inc
EP1511189A10.918COMMUNICATION METHOD  TRANSMITTER APPARATUS AND RECEIVER APPARATUSGRANT2005-03-022002-11-2632398338GoodPanasonic CorpPanasonic Corp, Harris Corp, Panasonic Intellectual Property Corp of America, Wi-Fi One LLC
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EP1158709A10.913SIGNAL FORMAT IN MULTI-CARRIER CDMA TRANSMISSION SYSTEMGRANT2001-11-282000-01-0518529878GoodNTT Docomo IncNTT Docomo Inc
EP1370018B10.907RADIO TRANSMISSION APPARATUS  RADIO RECEPTION APPARATUS  AND RADIO TRANSMISSION METHODGRANT2018-01-102001-11-2627347872GoodIII Holdings 11 LLCPanasonic Corp, Panasonic Intellectual Property Corp of America, III Holdings 11 LLC
EP1650891A10.906PILOT MULTIPLEXING METHOD AND TRANSMISSION/RECEPTION DEVICE IN OFDM SYSTEMGRANT2006-04-262003-07-2934090562GoodFujitsu LtdFujitsu Ltd
EP1633067A20.904COMMUNICATION APPARATUS AND COMMUNICATION METHODGRANT2006-03-082003-07-0233566753GoodPanasonic CorpPanasonic Corp, Panasonic Intellectual Property Corp of America
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EP1083720A20.899Multicarrier transmissionGRANT2001-03-141999-09-0717241638GoodSony CorpWI-FI ONE TECHNOLOGIES INTERNATIONAL LIMITED, Sony Corp
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EP1324513B10.856Receiver  transmitter  communication system  and method of communicationGRANT2007-02-142001-12-2819189773GoodNTT Docomo IncNTT Docomo Inc
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EP1408712B10.821Method and Apparatus for selecting a modulation scheme.GRANT2011-05-182001-07-1319049328GoodPanasonic CorpPanasonic Corp
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KR20000074901ANRAPPARATUS AND METHOD FOR COMPENSATING RESIDUE FREQUENCY OFFSET OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEMAPPLICATION2000-12-151999-05-2719588036Good
KR100674707B1NRAn apparatus and method for stabilizing coverage of base station in CDMA systemGRANT2007-01-251999-07-0819600439Good
KR100551858B1NRMethod for transmitting and receiving data signal in MIMO systemGRANT2006-02-132002-12-0437343430Good
JPH11145932ANRTRANSMITTER AND RECEIVER FOR MULTIRATED DELAY MULTIPLEXING SYSTEM DIRECT SPREAD SPECTRUM COMMUNICATION SYSTEM AND MULTIRATED DELAY MULTIPLEXING SYSTEM DIRECT SPREAD SPECTRUM COMMUNICATION SYSTEMGRANT1999-05-281997-11-0417905929Good
JPH10336074ANRBAND DIFFUSING DEVICE OF CODE DIVISION MULTIPLEX CONNECTION (CDMA) SYSTEM AND ITS METHODGRANT1998-12-181997-03-1319499631Good
JPH10327126ANRCDMA RECEIVERGRANT1998-12-081997-04-3025284563Good
JPH10200447ANRINITIAL SYNCHRONIZING METHOD IN DS-CDMA INTER-BASE STATION ASYNCHRONOUS CELLULAR SYSTEM AND RECEIVERGRANT1998-07-311997-01-0711792194Good
JPH10126380ANRINITIAL SYNCHRONIZATION METHOD IN ASYNCHRONOUS CELLULAR SYSTEM BETWEEN DS-CDMA BASE STATIONS AND RECEIVERGRANT1998-05-151996-10-2317852077Good
JPH10112697ANRMETHOD FOR HIGH SPEED PACKET DATA SERVICE FOR RADIO SYSTEMGRANT1998-04-281996-08-2224818041Good
JPH0923170ANRDATA DEMODULATING METHOD AND SPREAD SPECTRUM COMMUNICATION SYSTEMGRANT1997-01-211995-07-0715941349Good
JPH09135199ANRANTENNA ALARM DETECTING SYSTEMGRANT1997-05-201995-11-1017783795Good
JP2002368719ANROPTIMUM TRAINING SYSTEM FOR WIRELESS SYSTEMAPPLICATION2002-12-202001-05-2125339255Good
GB2320868ANRMeasuring coarse frequency offset of a multi-carrier signalGRANT1998-07-011996-12-0310803849GoodEnsigma LtdEnsigma Ltd
US6118987A0.898Radio transmitting apparatus and gain control method for the same based on complex weight coefficients and modulation precision characteristicsGRANT2000-09-121997-03-2513994866FairPanasonic CorpPanasonic Corp
US6847807B10.703Transmission circuit and radio transmission apparatusGRANT2005-01-251999-06-2926501749FairToshiba CorpToshiba Corp
US5627857A0.681Linearized digital automatic gain controlGRANT1997-05-061995-09-1524107973FairQualcomm IncQualcomm Inc
US5361395A0.643Gain control circuitGRANT1994-11-011991-02-2811738973FairToshiba CorpToshiba Corp
US20010012764A10.611FIXED WIRELESS ACCESS CHANNEL RADIO COMMUNICATION SYSTEMAPPLICATION2001-08-091996-10-1510801438FairNortel Networks Ltd, Northern Telecom IncNortel Networks Ltd
US6005894A0.593AM-compatible digital broadcasting method and systemGRANT1999-12-211997-04-0425262682FairDigital Radio Express IncDigital Radio Express Inc
US6259683B10.590Mobile communication system for accomplishing handover with phase difference of frame sync signals correctedGRANT2001-07-101996-11-2826569003FairOki Electric Industry Co LtdCanon Inc
US4121221A0.569Radio frequency array antenna systemGRANT1978-10-171977-03-1425110386FairRaytheon CoRaytheon Co
US5603113A0.539Automatic gain control circuit for both receiver and transmitter adjustable amplifiers including a linear signal level detector with DC blocking  DC adding  and AC removing componentsGRANT1997-02-111993-06-1622147386FairOki Telecom IncCanon Inc
US5687195A0.537Digital automatic gain controller for satellite transponderGRANT1997-11-111994-12-1619401960FairElectronics and Telecommunications Research Institute ETRI, KT CorpElectronics and Telecommunications Research Institute ETRI, KT Corp
US5107225A0.515HIGH DYNAMIC RANGE CLOSED LOOP AUTOMATIC GAIN CONTROL CIRCUITGRANT1992-04-211990-11-3024484540FairQualcomm IncQualcomm Inc
US6927628B20.477Gain-control method and device for cascaded amplifiersGRANT2005-08-092002-05-2429545342FairRenesas Technology CorpRenesas Electronics Corp
US20030215033A10.466Digitally programmable gain control circuitAPPLICATION2003-11-202002-05-2029419439FairATI Technologies ULCATI Technologies ULC
US20020111158A10.450Method and apparatus for dynamically determining a mobile station's active set during a connection rescue procedureAPPLICATION2002-08-152000-12-0426675111FairDenso CorpDenso Corp
US6420934B10.446Automatic gain control circuit for signal with diverse power level rangeGRANT2002-07-162000-08-2424589173FairTelenComm IncAvago Technologies International Sales Pte Ltd, Gatx Ventures Inc
US6259682B10.427Closed loop transmitter with improved stability and accuracy over a wide range of power levels having means for maintaining constant loop gainGRANT2001-07-101997-11-2525525676FairUniden America CorpUNIDEN AMERICA Corp A CORPORATION OF STATE OF DELAWARE
US6242976B10.424Low cost linearized channel amplifier for use with high power amplifiersGRANT2001-06-051999-06-0923282264FairSpace Systems Loral LLCSpace Systems Loral LLC
US5161170A0.406Discrete automatic gain control with high stability  high speed and low distortionGRANT1992-11-031990-01-1623847159FairJohns Hopkins UniversityJohns Hopkins University
US6711389B20.404Power controller for a mobile terminalGRANT2004-03-232001-02-1625136359FairTelefonaktiebolaget LM Ericsson ABUnwired Planet LLC
US7138863B20.399Gain control of a power amplifierGRANT2006-11-212001-06-2226246239FairTelefonaktiebolaget LM Ericsson ABTelefonaktiebolaget LM Ericsson AB
US6075411A0.397Method and apparatus for wideband predistortion linearizationGRANT2000-06-131997-12-2225542081FairTelefonaktiebolaget LM Ericsson ABTelefonaktiebolaget LM Ericsson AB
US4553105A0.391Multistage linear amplifier for a wide range of input signal levelsGRANT1985-11-121983-01-3111860190FairFujitsu LtdFujitsu Ltd
US5274844A0.374Beam pattern equalization method for an adaptive arrayGRANT1993-12-281992-05-1125377074FairMotorola IncMotorola Mobility LLC
US6295026B10.370Enhanced direct radiating arrayGRANT2001-09-251999-11-1923761139FairTRW IncNorthrop Grumman Systems Corp
US6480068B10.369Hardware assisted automatic gain control for digital subscriber line modemsGRANT2002-11-122001-09-2825510860FairTexas Instruments IncTexas Instruments Inc
US6211671B10.358Interference-cancellation system for electromagnetic receiversGRANT2001-04-031994-07-2223067450FairGenghiscomm CorpGENGHIS COMM LLC, S Aqua Semiconductor LLC
US5493307A0.356Maximal deversity combining interference cancellation using sub-array processors and respective delay elementsGRANT1996-02-201994-05-2615220806FairNEC CorpNEC Corp
EP1158666A10.353Circuit arrangement and method for discrete-time regulation of the output power of a transmission deviceGRANT2001-11-282000-05-258173025FairNokia of America CorpNokia of America Corp
US6069528A0.348Automatic microwave gain control deviceGRANT2000-05-301997-07-3116510585FairPanasonic CorpPanasonic Corp
US6813480B20.348Voltage controlled attenuator for multi-band and multi-mode transmitter and method thereofGRANT2004-11-022001-09-1925497929FairMotorola IncGoogle Technology Holdings LLC
US9551785B10.347Method and apparatus for the detection of objects using electromagnetic wave attenuation patternsGRANT2017-01-241999-04-0747018660FairJg Technologies LLCJg Technologies LLC
US5610617A0.327Directive beam selectivity for high speed wireless communication networksGRANT1997-03-111995-07-1824003387FairNokia of America CorpNokia of America Corp
US6646600B20.311Phased array antenna with controllable amplifier bias adjustment and related methodsGRANT2003-11-112001-11-0925537311FairHarris CorpNetgear Inc
US5539832A0.305Multi-channel signal separation using cross-polyspectraGRANT1996-07-231992-04-1011063536FairRamot at Tel Aviv University LtdRamot at Tel Aviv University Ltd
US20050180356A10.295Multi-channel wireless broadcast protocol for a self-organizing networkAPPLICATION2005-08-182002-10-0132505986FairGraviton IncSYS
US6731168B20.281Power amplifier linearizer that compensates for long-time-constant memory effects and method thereforGRANT2004-05-042002-02-0627659303FairIntersil Americas LLCTamiras Per Pte Ltd LLC
US6252884B10.280Dynamic configuration of wireless networksGRANT2001-06-261998-03-2021936893FairNCR CorpHuawei Technologies Co Ltd
US6349219B10.262Antenna array having reduced sensitivity to frequency-shift effectsGRANT2002-02-191999-03-0122988862FairNokia of America CorpNokia of America Corp
US6118788A0.250Balanced media access methods for wireless networksGRANT2000-09-121997-10-1525490821FairInternational Business Machines CorpInternational Business Machines Corp
US6756845B10.211Method and system for compensating non-linearities and time-varying changes of a transfer function acting on an input signalGRANT2004-06-292000-01-268163807FairNokia OyjNokia Oyj
US6157843A0.135Method for pre-establishing communications in a wireless communication network without the use of a multicast serverGRANT2000-12-051996-05-3124633125FairMotorola IncMotorola Solutions Inc
US5812531A0.132Method and apparatus for bridging wireless LAN to a wired LANGRANT1998-09-221994-07-294154096FairInternational Business Machines CorpNetgear Inc
US20040090326A10.107Wireless sensor apparatus and methodAPPLICATION2004-05-132002-11-1232229424FairMotorola IncArris Enterprises LLC
WO2000068801A10.061METHOD FOR DISTRIBUTING MAILAPPLICATION2000-11-161999-05-0620415495Fair
JPH1094041ANRRECEPTION METHOD OF CDMA RADIO COMMUNICATION AND RECEIVERGRANT1998-04-101996-07-2426505456Fair
JPH1093531ANRCODE DIVISION MULTIPLEX COMMUNICATION EQUIPMENTGRANT1998-04-101996-09-1817144320Fair
JPH10271557ANRRANDOM ACCESS SIGNAL RECEPTION CIRCUITGRANT1998-10-091997-03-2113359531Fair
JPH10257019ANRCDMA COMMUNICATION SYSTEMGRANT1998-09-251997-03-0712948236Fair
JPH10256478ANRSEMICONDUCTOR INTEGRATED CIRCUIT DEVICEGRANT1998-09-251997-03-1113020650Fair
JPH10164014ANRSPREAD SPECTRUM COMMUNICATION RECEPTION METHODGRANT1998-06-191996-11-2518044748Fair
JPH10126379ANRMOBILE COMMUNICATION SYSTEM AND ITS DEVICEGRANT1998-05-151996-10-1817573491Fair
JPH10126377ANRCDMA COMMUNICATION SYSTEM  BASE STATION  MOBILE STATION AND COMMUNICATION CONTROL METHODGRANT1998-05-151996-10-1717540496Fair
JPH0955714ANRSPREAD SPECTRUM COMMUNICATION SYSTEMGRANT1997-02-251995-08-1116518783Fair
JPH09289501ANRSPREAD SPECTRUM COMMUNICATION RECEIVERGRANT1997-11-041996-04-2214265166Fair
JPH08335928ANRRECEIVERGRANT1996-12-171995-06-0715267206Fair
JPH0541685ANRDIVERSITY COMMUNICATION METHOD FOR TIME DIVISION MOVABLE BODY COMMUNICATIONGRANT1993-02-191991-08-0616760944Fair
JPH05183534ANRSPREAD SPECTRUM COMMUNICATION EQUIPMENTGRANT1993-07-231990-06-1415574682Fair
JPH05130068ANRFREQUENCY SPREAD MODULATORGRANT1993-05-251991-10-3117702312Fair
JP2003037536ANRWIRELESS COMMUNICATION METHOD IN CDMA WIRELESS COMMUNICATIONAPPLICATION2003-02-071998-06-0526484876Fair

Predictive Analytics

Composite Research Score (1-10)
6
  MODERATE
Art VolumeMEDIUM
Tech ComplexityINTRICATE
Priority DateMID
Tech DiversityNARROW
Expert Services Estimate$3,150 — $3,600
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CPC Technology Profile

Possible Classes
391
Recommended Classes
98
Government Assigned Classes
4
CPC
Title
Score
H04L27/2649Demodulators1.573
H04L27/2602Signal structure1.173
H04L5/0048Allocation of pilot signals  i.e. of signals known to the receiver1.173
H04L27/26Systems using multi-frequency codes | (ref: H04L27/32)|  takes precedence1.159
H04L7/04Speed or phase control by synchronisation signals | (ref: H04L7/0075)|  takes precedence1.129
H04L27/34Amplitude- and phase-modulated carrier systems  e.g. quadrature-amplitude modulated carrier systems1.110
H04L27/3405Modifications of the signal space to increase the efficiency of transmission  e.g. reduction of the bit error rate  bandwidth  or average power1.110
H04L27/12Modulator circuits | in general | (ref: H03C)|  | (ref: H03K7/06)| Transmitter circuits | continuous phase modulation | (ref: H04L27/20)1.095
H04B7/0689using different transmission schemes  at least one of them being a diversity transmission scheme1.075
H04L27/0008arrangements for allowing a transmitter or receiver to use more than one type of modulation | negotiating modulation type for two-way transmission paths | (ref: H04L5/1453)1.041
H04B7/0604with predefined switching scheme1.028
H04B7/0669using different channel coding between antennas | space-time coding | (ref: H04L1/0618)1.028
H04L27/2601Multicarrier modulation systems1.025
H04L1/0618Space-time coding1.015
H04L5/0044allocation of payload1.014
H04J1/02Details1.014
H04L27/2611Distribution thereof1.013
H04L27/18Phase-modulated carrier systems  i.e. using phase-shift keying | (ref: H04L27/32)|  takes precedence| includes continuous phase systems1.012
H04B1/711the interference being multi-path interference1.012
H04B1/707using direct sequence modulation1.012
H04L27/2613Structure of the reference signals | per se1.008
H04L1/0003by switching between different modulation schemes1.008
H04L1/0041Arrangements at the transmitter end1.008
H04B7/0613using simultaneous transmission | (ref: H04B7/0686)|  takes precedence1.007
H04L27/2662Symbol synchronisation0.998
F24F7/10with air supply  or exhaust  through perforated wall  floor or ceiling | outlet members for directing or distributing air | into rooms or spaces  e.g. ceiling air-diffusers|  | (ref: F24F13/06)0.998
H04L27/261Details of reference signals | (ref: H04L27/262)|  takes precedence0.989
H04W52/325Power control of control or pilot channels0.987
H04B7/0413MIMO systems0.986
H04L27/2626Arrangements specific to the transmitter0.984
H04J11/00Orthogonal multiplex systems  | e.g. using WALSH codes| (ref: H04J13/00)|  takes precedence0.984
H04B7/0469taking special antenna structures  e.g. cross polarized antennas into account0.983
H04L5/023Multiplexing of multicarrier modulation signals | multicarrier modulation | (ref: H04L27/2601)0.983
H04L1/0625Transmitter arrangements0.981
H04L5/0051of dedicated pilots  i.e. pilots destined for a single user or terminal0.980
H04L5/0007the frequencies being orthogonal  e.g. OFDM(A)  DMT0.980
H04B7/04using two or more spaced independent antennas0.979
H04L27/2657Carrier synchronisation0.979
H04L25/0204of multiple channels0.978
H04L5/0032Distributed allocation  i.e. involving a plurality of allocating devices  each making partial allocation0.976
H04J13/00Code division multiplex systems | for frequency hopping | (ref: H04B1/713)0.966
H04B7/043using best eigenmode  e.g. beam forming or beam steering0.965
H04B7/0667of delayed versions of same signal | using space-time coding | (ref: H04L1/0618)0.964
H04B7/15528Control of operation parameters of a relay station to exploit the physical medium0.964
H04L27/262Reduction thereof by selection of pilot symbols0.962
H04L27/2624by soft clipping0.962
H04B7/2656for structure of frame  burst0.962
H04L1/0006by adapting the transmission format0.962
H04L27/2647Arrangements specific to the receiver | equalisation | (ref: H04L25/03006)|   | (ref: H04L27/01)0.954
G01S3/74Multi-channel systems specially adapted for direction-finding  i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals | systems in which the directions of different signals are determined sequentially and displayed simultaneously | (ref: G01S3/04)|   | (ref: G01S3/14)0.948
H04L27/2607Cyclic extensions0.948
H04L25/022of frequency response0.942
H04L1/0083Formatting with frames or packets| Protocol or part of protocol for error control0.942
H04B7/0678using different spreading codes between antennas | code allocation | (ref: H04J13/16)0.942
H04W4/06Selective distribution of broadcast services  e.g. multimedia broadcast multicast service [MBMS]| Services to user groups| One-way selective calling services0.941
H04B7/0684using different training sequences per antenna0.940
H04L1/06using space diversity0.940
H04L25/0224using sounding signals0.940
H04L25/0202Channel estimation0.940
H04B7/0697using spatial multiplexing0.939
H04L27/2627Modulators0.939
H04L27/2032for discrete phase modulation  e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner0.938
H04B7/10Polarisation diversity| Directional diversity0.938
H04L27/3809Amplitude regulation arrangements0.936
H04L27/38Demodulator circuits| Receiver circuits0.936
H04B7/0671using different delays between antennas0.935
H04L27/3433using an underlying square constellation0.934
H04B1/76Pilot transmitters or receivers for control of transmission or for equalising0.934
H04B7/0602using antenna switching | (ref: H04B7/0686)|  takes precedence| antenna beam directivity switching | (ref: H01Q3/24)0.931
H04B7/068using space frequency diversity | space-frequency coding | (ref: H04L1/0606)0.930
H04L5/00Arrangements affording multiple use of the transmission path | multiplex communication in general | (ref: H04J)| | | orthogonal multiplex systems | (ref: H04J11/00)0.929
H04B7/0417Feedback systems0.928
H04B7/0871using different reception schemes  at least one of them being a diversity reception scheme0.927
H04L25/0226sounding signals | per se0.922
H04L1/0069Puncturing patterns0.919
H04B7/02Diversity systems| Multi-antenna system  i.e. transmission or reception using multiple antennas | RAKE receivers | (ref: H04B1/7115)0.919
H04L27/362Modulation using more than one carrier  e.g. with quadrature carriers  separately amplitude modulated | (ref: H04L27/366)|  takes precedence0.919
H04L27/3455in 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 rotations0.916
H04B1/46by voice-frequency signals| by pilot signals0.916
H04J13/0003Code application  i.e. aspects relating to how codes are applied to form multiplexed channels0.916
H04L5/005of common pilots  i.e. pilots destined for multiple users or terminals0.916
H04L25/03159operating in the frequency domain | (ref: H04L25/03165)|   | (ref: H04L25/03178)|  take precedence0.913
H04L1/206for modulated signals0.911
H04J14/0298with sub-carrier multiplexing [SCM]0.910
H04B1/7075with code phase acquisition0.910
H04B1/7073Synchronisation aspects0.910
H04L27/2618Reduction thereof using auxiliary subcarriers0.904
H04L5/0023Time-frequency-space0.901
H04L25/0232by interpolation between sounding signals0.898
H04B7/0842Weighted combining0.896
H04B7/155Ground-based stations | (ref: H04B7/204)|  takes precedence | | for satellite systems | (ref: H04B7/18517)0.895
H04L1/0028Formatting0.895
H04W28/065using assembly or disassembly of packets0.893
H04L27/2628Inverse Fourier transform modulators  e.g. IFFT/IDFT | DFT or FFT computation methods or devices in general | (ref: G06F17/141)0.893
H04J11/0063of multipath interference  e.g. Rake receivers0.889
H04L25/03834using pulse shaping0.889
H04L5/12the signals being represented by different phase modulations of a single carrier0.888
H04B7/0456Selection of precoding matrices or codebooks  e.g. using matrices antenna weighting0.887
H04B1/40Circuits0.887
H04L43/0852Delays0.887
H04L1/0026Transmission of channel quality indication0.886
H04B1/69Spread spectrum techniques0.885
H04L1/065by means of convolutional encoding0.884
H04L27/265Fourier transform demodulators0.884
H04B7/0434using multiple eigenmodes0.884
H04L1/0071Use of interleaving | interleaving | per se|  | (ref: H03M13/27)0.883
H04L27/2621Reduction thereof using phase offsets between subcarriers0.883
H04L1/1812Hybrid protocols0.882
H04J13/0044OVSF [orthogonal variable spreading factor]0.881
H04L27/2332using a non-coherent carrier0.879
H04B7/216Code division or spread-spectrum multiple access | CDMA  SSMA|  | spread spectrum techniques in general | (ref: H04B1/69)0.879
H04L25/0236using estimation of the other symbols0.877
H04B7/0682using phase diversity (e.g. phase sweeping)0.877
H04L1/0056Systems characterized by the type of code used | (ref: H04L1/08)|  takes precedence0.877
H04L25/0228with direct estimation from sounding signals0.877
H04B7/0452Multi-user MIMO systems0.875
H04L1/0001Systems modifying transmission characteristics according to link quality  e.g. power backoff | adaptive data allocation for multicarrier modulation | (ref: H04L5/0044)| | controlling transmission power for radio systems | (ref: H04W52/04)0.590
H04W52/42in systems with time  space  frequency or polarisation diversity0.590
H04W72/0453the resource being a frequency  carrier or frequency band0.440
H04L1/0025Transmission of mode-switching indication0.435
H04L27/206using a pair of orthogonal carriers  e.g. quadrature carriers0.423
H04L7/06the synchronisation signals differing from the information signals in amplitude  polarity  or frequency | or length0.423
H03F3/24of transmitter output stages0.416
H03F1/02Modifications of amplifiers to raise the efficiency  e.g. gliding Class A stages  use of an auxiliary oscillation0.416
H04B1/0475with means for limiting noise  interference or distortion | (ref: H04B1/0483)|  takes precedence0.416
H04L27/2082for offset or staggered quadrature phase shift keying0.416
H04L27/3494using 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 | (ref: H04L25/497)0.416
H04L27/06Demodulator circuits | in general | (ref: H03D)|  | (ref: H03K9/02)| Receiver circuits0.403
H04B7/0632Channel quality parameters  e.g. channel quality indicator [CQI]0.403
H04B7/06at the transmitting station0.403
H04W52/52using AGC [Automatic Gain Control] circuits or amplifiers0.403
H04L27/2695with channel estimation  e.g. determination of delay spread  derivative or peak tracking | channel estimation | per se|  | (ref: H04L25/0202)0.403
H04L27/04Modulator circuits | in general | (ref: H03C)|  | (ref: H03K7/02)| Transmitter circuits0.403
H04L27/2691involving interference determination or cancellation | interference mitigation or coordination in orthogonal multiplex systems in general | (ref: H04J11/0023)0.403
H04L27/14Demodulator circuits | in general | (ref: H03D)|  | (ref: H03K9/06)| Receiver circuits | for continuous phase modulation systems | (ref: H04L27/22)0.403
H04L25/0206of each channel individually0.403
H04L5/003Arrangements for allocating sub-channels of the transmission path0.403
H04B7/0626Channel coefficients  e.g. channel state information [CSI]0.403
H04B7/082selecting best antenna path0.403
H04L69/22Header parsing or analysis | traffic monitoring by flow aggregation or filtering | (ref: H04L43/02)| | flow identification in packet switching networks | (ref: H04L47/2483)0.403
H04L27/2659Coarse or integer frequency offset determination and synchronisation0.403
H04L5/0046Determination of how many bits are transmitted on different sub-channels0.390
H04L1/08by repeating transmission  e.g. Verdan system | (ref: H04L1/1858)|  and | (ref: H04L1/189)|  take precedence0.390
H04B7/0608Antenna selection according to transmission parameters0.386
H04B7/0691using subgroups of transmit antennas0.386
H04L5/0053Allocation of signaling  i.e. of overhead other than pilot signals0.384
H04L5/0094Indication of how sub-channels of the path are allocated0.384
H04L1/0075Transmission of coding parameters to receiver | (ref: H04L1/0023)|  takes precedence0.380
H04J3/02Details | electronic switching or gating | (ref: H03K17/00)0.380
H04J11/0036at the receiver0.380
H04B7/08at the receiving station0.380
H04B7/0617for beam forming0.380
H04L27/364Arrangements for overcoming imperfections in the modulator  e.g. quadrature error or unbalanced I and Q levels0.380
H04L5/0016Time-frequency-code0.380
H04L27/227using coherent demodulation0.380
H04L1/0668Orthogonal systems  e.g. using Alamouti codes0.378
H04L1/0039other detection of signalling  e.g. detection of TFCI explicit signalling | (ref: H04L1/0046)|   | (ref: H04L27/0012)|  and | (ref: H04L25/0262)|  take precedence0.378
H04L27/20Modulator circuits | in general | (ref: H03C)|  | (ref: H03K7/04)| Transmitter circuits0.378
H04L1/0009by adapting the channel coding | (ref: H04L1/1812)|  takes precedence0.378
H04L27/0012arrangements for identifying the type of modulation0.378
H04L27/2608Allocation of payload0.378
H04L1/0079Formats for control data | (ref: H04L1/16)|  takes precedence| training sequences | (ref: H04L25/00)|  and | (ref: H04L27/00)0.378
H04L1/0058Block-coded modulation0.378
H04L27/2679Decision-aided0.374
H04L27/2698double density OFDM/OQAM system  e.g. OFDM/OQAM-IOTA system0.371
H04W48/08Access restriction or access information delivery  e.g. discovery data delivery0.371
H04L27/2692with preamble design  i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver0.370
H04L1/1671the supervisory signal being transmitted together with control information0.370
H04B7/00Radio transmission systems  i.e. using radiation field | (ref: H04B10/00)|   | (ref: H04B15/00)|  take precedence0.370
H04B7/0426Power distribution0.369
H04L25/0222Estimation of channel variability  e.g. coherence bandwidth  coherence time  fading frequency0.369
H04B1/0057using diplexing or multiplexing filters for selecting the desired band0.369
H04B7/0465taking power constraints at power amplifier or emission constraints  e.g. constant modulus  into account0.369
H04L27/36Modulator circuits| Transmitter circuits0.369
H04L1/0637Properties of the code0.368
H04L1/0606Space-frequency coding0.368
H04L27/2646using feedback from receiver for adjusting OFDM transmission parameters  e.g. transmission timing or guard interval length0.368
H04J13/18Allocation of orthogonal codes0.368
H04L25/0234by non-linear interpolation0.367
H04L25/0244with inversion0.367
H04L27/2675Pilot or known symbols | structure of pilot symbols | (ref: H04L27/2613)| | cell search in orthogonal multiplex systems | (ref: H04J11/0069)| | allocation of pilot signals | (ref: H04L5/0048)0.367
H04L9/0819Key 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 | (ref: H04L63/062)0.367
H04K1/02by adding a second signal to make the desired signal unintelligible0.367
H04B7/0848Joint weighting0.366
H04B7/0615of weighted versions of same signal0.366
H04B7/022Site diversity| Macro-diversity | using two or more spaced independent antennas | (ref: H04B7/04)0.366
H04B7/0619using feedback from receiving side | feedback signaling for adaptive modulation/coding | (ref: H04L1/0001)0.366
H04B7/086using weights depending on external parameters  e.g. direction of arrival [DOA]  predetermined weights or beamforming0.366
H04L12/1868Measures taken after transmission  e.g. acknowledgments0.366
H04B7/0891Space-time diversity | rake receivers | (ref: H04B1/7115)| | space-time decoding | (ref: H04L1/0631)0.366
H04B7/024Co-operative use of antennas of several sites  e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems0.366
H04L1/004by using forward error control | (ref: H04L1/0618)|  takes precedence| coding  decoding or code conversion  for error detection or correction | (ref: H03M13/00)0.364
H04B1/692Hybrid techniques using combinations of two or more spread spectrum techniques0.362
H04L5/0021in which codes are applied as a frequency-domain sequences  e.g. MC-CDMA0.362
H04W28/0263involving mapping traffic to individual bearers or channels  e.g. traffic flow template [TFT]0.362
H04B17/318Received signal strength0.362
H04B7/0621Feedback content0.362
H04L1/0086Unequal error protection | (ref: H04L27/00)|  and | (ref: H04L1/004)|  take precedence for layer 1/2 aspects  e.g. bit loading0.362
H04L25/03286with channel-decoding circuitry0.362
H04B7/026Co-operative diversity  e.g. using fixed or mobile stations as relays0.362
H04L1/0015characterised by the adaptation strategy0.361
H04L5/0026Division using four or more dimensions0.360
H04L5/006Quality of the received signal  e.g. BER  SNR  water filling0.359
H04L5/0028Variable division | signaling therefor | (ref: H04L5/0092)0.359
H04L5/0085when channel conditions change0.359
H04L5/0082at predetermined intervals0.359
H04B7/0473taking constraints in layer or codeword to antenna mapping into account0.357
H04B7/0874using subgroups of receive antennas0.357
H04L1/0057Block codes | (ref: H04L1/0061)|   | (ref: H04L1/0064)|  take precedence0.356
H04L25/03891Spatial equalizers | MIMO diversity systems | (ref: H04B7/0413)0.356
H04B7/0851using training sequences or error signal | minimizing error signal | (ref: H04B7/0854)0.356
H04L25/03324Provision of tentative decisions0.356
H04L25/03305Joint sequence estimation and interference removal | joint detection of several desired signals | (ref: H04L25/03331)0.356
H04L1/1819with retransmission of additional or different redundancy0.356
H04L1/0643block codes0.356
H04L1/0065Serial concatenated codes0.356
H04L1/0055MAP-decoding0.356
H04L1/005Iterative decoding  including iteration between signal detection and decoding operation0.356
H04L25/03821Inter-carrier interference cancellation [ICI]0.355
H04L27/2688Resistance to perturbation  e.g. noise  interference or fading0.355
H04L25/03828Arrangements for spectral shaping| Arrangements for providing signals with specified spectral properties | partial response systems | (ref: H04L25/497)0.355
H04W16/28using beam steering0.353
H04N21/42615involving specific demultiplexing arrangements0.353
H04W76/40for selective distribution or broadcast0.353
H04B1/16Circuits | demodulators | (ref: H03D)0.353
H04N21/2365Multiplexing of several video streams0.353
H04N21/4263involving specific tuning arrangements  e.g. two tuners0.353
H04W16/26Cell enhancers | or enhancement|   e.g. for tunnels  building shadow0.353
H04B7/0404the mobile station comprising multiple antennas  e.g. to provide uplink diversity0.353
H04L1/0019in which mode-switching is based on a statistical approach0.352
H04L1/0027Scheduling of signalling  e.g. occurrence thereof0.352
H04W72/1278Transmission of control information for scheduling0.352
H04L5/0057Physical resource allocation for CQI0.352
H04L5/0055Physical resource allocation for ACK/NACK | for physical mapping arrangements in ARQ protocols | (ref: H04L1/1861)0.352
H04L27/3416in 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 schemes0.352
H04L1/0631Receiver arrangements0.352
H04B3/542the information being in digital form0.352
H01Q21/24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction | circularly polarised patch antennas | (ref: H01Q9/0428)| | circularly polarised horns | (ref: H01Q13/0241)| | cross-polarised horns | (ref: H01Q13/0258)| | polarisation converters | (ref: H01Q15/242)| | cross-polarised rear feeds | (ref: H01Q19/136)| | crossed polarisation dual antenna | (ref: H01Q25/001)0.352
H04W52/0209in terminal devices | terminal devices | per se|  | (ref: H04W88/02)0.352
H04B1/06Receivers | control of amplification | (ref: H03G)| | television receivers | (ref: H04N5/44)|   | (ref: H04N5/64)0.352
H04L5/0098Signalling of the activation or deactivation of component carriers  subcarriers or frequency bands0.351
H04L27/264Filterbank multicarrier [FBMC]0.351
H04L25/02Details | circuits in general for handling pulses | (ref: H03K)| | in line transmission systems in general | (ref: H04B3/02)| | | Arrangements for supplying electrical power along data transmission lines | systems for transmitting signals via power distribution lines | (ref: H04B3/54)0.351
H04W52/18TPC being performed according to specific parameters0.351
H04L27/2656Frame synchronisation0.350
H04L27/3472by switching between alternative constellations0.350
H04L25/0391construction details of matrices0.350
H04B7/0862receiver computing weights based on information from the transmitter0.350
H04B7/046taking physical layer constraints into account0.350
H04L27/3488Multiresolution systems0.350
H04B7/0854using error minimizing algorithms  e.g. minimum mean squared error [MMSE]  "cross-correlation" or matrix inversion0.350
H04L25/061providing 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 | (ref: H04L25/029)|   | (ref: H04L25/0296)0.350
H04L1/007Unequal error protection | for format | (ref: H04L1/0078)| | for codes | per se|  | (ref: H03M13/35)0.350
H04L1/0054Maximum-likelihood or sequential decoding  e.g. Viterbi  Fano  ZJ algorithms0.350
H04L1/006Trellis-coded modulation0.350
H04N19/39involving multiple description coding [MDC]  i.e. with separate layers being structured as independently decodable descriptions of input picture data0.350
H04L23/00Apparatus or local circuits for systems other than those covered by groups | (ref: H04L15/00)|  - | (ref: H04L21/00)0.350
H04L25/03Shaping networks in transmitter or receiver  e.g. adaptive shaping networks | impedance networks | per se|  | (ref: H03H)| | | Receiver end arrangements for processing baseband signals0.350
H04B17/12of transmit antennas  e.g. of the amplitude or phase0.349
H04L65/4076Multicast or broadcast | data switching systems for broadcast or conference | (ref: H04L12/18)| | analog television systems in general | (ref: H04N7/00)| | creating video channels for a dedicated end-user group | (ref: H04N21/2668)| | arrangements for broadcast or distribution combined with broadcast | (ref: H04H20/00)| | arrangements for broadcast applications with a direct linkage of broadcast information | (ref: H04H60/00)| | arrangements for push based network services | (ref: H04L67/26)0.349
H04B17/0085using test signal generators0.349
H04L12/189in combination with wireless systems | selective distribution or broadcast in wireless communication networks | (ref: H04W4/06)0.349
H04W52/225Calculation of statistics  e.g. average  variance0.349
H04B1/0096where a full band is frequency converted into another full band0.349
H04B7/2628using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] | (ref: H04B7/2618)|  takes precedence0.349
H04L5/0037Inter-user or inter-terminal allocation0.348
H04L1/0612Space-time modulation0.348
H04W72/0446the resource being a slot  sub-slot or frame0.348
H04L5/0005Time-frequency0.347
H04L1/04using frequency diversity0.346
H04L27/183Multiresolution systems0.344
H04L27/389with separate demodulation for the phase and amplitude components0.344
H04L1/0002by adapting the transmission rate0.344
H03M13/255with Low Density Parity Check [LDPC] codes0.344
H03M13/2721the interleaver involves a diagonal direction  e.g. by using an interleaving matrix with read-out in a diagonal direction0.344
H03M13/13Linear codes0.344
H03M13/2909Product codes0.344
H04L5/06the signals being represented by different frequencies | combined with time-division multiplexing | (ref: H04L5/26)0.343
H04L27/2636with FFT/DFT  e.g. standard SC-FDMA transmitter or DFT-SOFDM0.343
H04B17/309Measuring or estimating channel quality parameters0.343
H04J3/00Time-division multiplex systems | (ref: H04J14/00)|  takes precedence| relay systems | (ref: H04B7/14)| | selecting techniques | (ref: H04Q)0.343
H04J13/0062Zadoff-Chu0.343
H04J13/0059CAZAC [constant-amplitude and zero auto-correlation]0.343
H04B7/0421utilizing implicit feedback  e.g. steered pilot signals0.343
H04J13/0022PN  e.g. Kronecker0.343
H04B10/548Phase or frequency modulation0.341
H04J11/0069Cell search  i.e. determining cell identity [cell-ID] | design of multiplexing codes | (ref: H04J13/00)| | processing access restriction or access information | (ref: H04W48/16)| | discovery of network devices for network data management | (ref: H04W8/005)| | sounding signals for channel estimation | (ref: H04L25/0226)| | structure of reference signals in multicarrier modulation systems | (ref: H04L27/2613)| | frame  time or carrier synchronisation in multicarrier modulation systems | (ref: H04L27/2655)0.339
H04L1/0072Error control for data other than payload data  e.g. control data0.339
H04L25/0208of the composite channel0.338
H04W72/005Resource management for broadcast services0.338
H04W52/16Deriving transmission power values from another channel0.338
H04L1/0035evaluation of received explicit signalling0.336
H04L1/0045Arrangements at the receiver end0.335
H04L1/0059Convolutional codes0.335
H04W52/346distributing total power among users or channels0.335
H04W72/085using measured or perceived quality0.335
H04L1/0067Rate matching | (ref: H04L1/0013)|  and | (ref: H04L1/08)|  take precedence0.335
H04L1/0013Rate matching  e.g. puncturing or repetition of code symbols0.335
H04W72/044where an allocation plan is defined based on the type of the allocated resource0.335
H04L1/20using signal quality detector0.333
H04B7/0865Independent weighting  i.e. weights based on own antenna reception parameters0.333
H04B1/7083Cell search  e.g. using a three-step approach0.333
H04J11/003at the transmitter | transmission to multiple receive units in multiple input multiple output [MIMO] | (ref: H04B7/0452)| | transmit antenna weighting | (ref: H04B7/0615)0.333
H04B15/00Suppression or limitation of noise or interference | by means associated with receiver | (ref: H04B1/10)0.333
H04L1/0042Encoding specially adapted to other signal generation operation  e.g. in order to reduce transmit distortions  jitter  or to improve signal shape | (ref: H04L1/0067)|  takes precedence0.333
H04L25/0212of impulse response0.333
H04B7/061using feedback from receiving side0.332
H04J13/004Orthogonal0.332
H04L27/2614Peak power aspects0.332
H04L25/023with extension to other symbols0.332
H04L25/025using least-mean-square [LMS] method0.332
H04L1/0048in conjunction with detection of multiuser or interfering signals  e.g. iteration between CDMA or MIMO detector and FEC decoder | for spatial equalizer | (ref: H04L25/03286)0.332
H04J11/004using regenerative subtractive interference cancellation0.332
H04L5/0058Allocation criteria0.331
H04L23/02adapted for orthogonal signalling0.331
H04L25/067providing soft decisions  i.e. decisions together with an estimate of reliability | (ref: H04L25/068)|  and | (ref: H04L25/069)|  take precedence| sequence estimation techniques | (ref: H04L25/03178)0.331
H04B7/2643using time-division multiple access [TDMA] | (ref: H04B7/2615)|   | (ref: H04B7/2618)|  take precedence0.331
H04B1/713using frequency hopping0.331
H04L1/1887Scheduling and prioritising arrangements0.331
H04H20/423Transmitter side0.330
H04W88/08Access point devices0.330
H04L27/368adaptive predistortion0.330
H03M13/09Error detection only  e.g. using cyclic redundancy check [CRC] codes or single parity bit | error detection or correction by redundancy in data representation | (ref: G06F11/08)0.330
H03M13/6337Error control coding in combination with channel estimation0.330
H04B17/336Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]0.329
H04B7/0482Adaptive codebooks0.329
H04L25/03898codebook-based design | selection of codebook or precoding matrix for MIMO diversity systems | (ref: H04B7/0456)0.329
G06F11/10Adding special bits or symbols to the coded information  e.g. parity check  casting out 9's or 11's0.329
H04L25/024channel estimation algorithms0.329
H03M13/15Cyclic codes  i.e. cyclic shifts of codewords produce other codewords  e.g. codes defined by a generator polynomial  Bose-Chaudhuri-Hocquenghem [BCH] codes | (ref: H03M13/17)|  takes precedence0.329
H04L1/22using redundant apparatus to increase reliability | see|  | (ref: G06F11/08)|  - | (ref: G06F11/20)0.329
H04L5/001the frequencies being arranged in component carriers0.328
H04W72/04Wireless resource allocation0.328
H04B7/0837using pre-detection combining | (ref: H04B7/0868)|  takes precedence0.073
H04L2027/0024at the receiver end0.071
H04L2027/0093Intermittant signals0.071
H04L2027/0087Out-of-band signals  (e.g. pilots)0.071
H04B2201/70701featuring pilot assisted reception0.069
H04B2001/045with means for improving efficiency0.069
H04B2001/0416having gain or transmission power control0.069
H04L2203/00Characteristics of phase shift key signals0.069
H04B1/38Transceivers  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 receiving0.068
H04J2011/0016with FDM/FDMA and TDM/TDMA0.063
H04W84/12WLAN [Wireless Local Area Networks]0.063
H04L1/1829Arrangements specific to the receiver end0.063
H04B2201/70728Frequency aspects0.063
H04B2201/70716Quadrature0.063
H04L1/0023characterised by the signalling0.063
H04L2027/004the equaliser providing control signals0.063
H04B2201/70705Rate detection0.063
H04L2027/0061remodulation0.063
H04W24/00Supervisory  monitoring or testing arrangements0.062
H04L27/2637with direct modulation of individual subcarriers0.062
F24F2221/34Heater  e.g. gas burner  electric air heater0.062
H04L2027/0026Correction of carrier offset0.062
H04W72/08where an allocation plan is defined|  based on quality criteria0.061
H04B17/24with feedback of measurements to the transmitter0.060
H04L2001/0097Relays0.060
H04L2025/03611Iterative algorithms0.059
H04L2025/03414Multicarrier0.059
H04L25/03229with state-reduction using grouping of states0.059
H04L27/2655Synchronisation arrangements0.059
H04L25/0216with estimation of channel length0.059
H04L2025/03522Frequency domain0.059
H04L25/03866using scrambling0.059
H04B7/12Frequency diversity0.059
H04W48/16Discovering  processing access restriction or access information0.059
H04L25/03006Arrangements for removing intersymbol interference0.059
H04B2203/5425improving S/N by matching impedance  noise reduction  gain control0.059
H04B10/532Polarisation modulation |   e.g. polarization switching or transmission of a single data stream on two orthogonal polarizations | polarization multiplexed systems | (ref: H04J14/06)0.059
H04B7/0665Feed forward of transmit weights to the receiver0.059
H04J11/0033by pre-cancellation of known interference  e.g. using a matched filter  dirty paper coder or Thomlinson-Harashima precoder | correlative coding in synchronous or start-stop systems | (ref: H04L25/497)0.058
H04L1/0656Cyclotomic systems  e.g. Bell Labs Layered Space-Time [BLAST]0.058
H04L2025/03426transmission using multiple-input and multiple-output channels0.058
H04B1/7115Constructive combining of multi-path signals  i.e. RAKE receivers0.057
H04B1/7117Selection  re-selection  allocation or re-allocation of paths to fingers  e.g. timing offset control of allocated fingers0.057
H04L27/2605Symbol extensions0.057
H04L5/0091Signaling for the administration of the divided path0.057
H04L5/0064Rate requirement of the data  e.g. scalable bandwidth  data priority0.057
H04J2211/006Single carrier frequency division multiple access [SC FDMA]0.056
H04L2027/0067Phase error detectors0.056
H04J13/16Code allocation0.056
H04L2027/003at baseband only0.055
H04L2025/03624Zero-forcing0.055
H04B2201/70703using multiple or variable rates0.055
H04L2027/0065Frequency error detectors | (ref: H04L2027/0067)|  takes precedence0.055
H04L2027/0081between loops of different bandwidths0.055
H04L2027/0055single phase0.055
H04B7/005Control of transmission| Equalising0.055
H04B1/10Means associated with receiver for limiting or suppressing noise or interference | induced by transmission | interference reduction in spread spectrum systems | (ref: H04B1/7097)| | equalising on HF or IF | (ref: H04B7/005)| | diversity systems | (ref: H04B7/02)| | elimination of image frequencies | (ref: H03D7/18)| | noise suppression by control of amplification | (ref: H03G3/00)|   | (ref: H03G5/00)|   | (ref: H03G7/00)| | squelching | (ref: H03G3/26)|   | (ref: H03G3/34)0.055
H04J2013/165Joint allocation of code together with frequency or time0.055
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