ClassID:

223469

H04B1/71055 - CPC Classification

Classification description:

Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission; Spread spectrum techniques using direct sequence modulation; Interference-related aspects the interference being multiple access interference; Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector

Recent Application in this class:
#1
20230421190
2023-12-28

METHODS AND APPARATUSES FOR ADAPTIVE SUB-BAND FILTERING

#2
20230387953
2023-11-30

COMMUNICATION SYSTEM AND COMMUNICATION METHOD

#3
20220006485
2022-01-06

Processing of uplink data streams

#4
20200412499
2020-12-31

Signal-to-noise ratio determining method and device, and channel equalization method and device

#5
20200065262
2020-02-27

Data path dynamic range optimization

#6
20200005819
2020-01-02

Multi-signal realignment for changing sampling clock

#7
20190319665
2019-10-17

METHOD FOR MITIGATING INTERFERENCE AND INTERFERENCE MITIGATING RECEIVER

#8
20180367164
2018-12-20

Approximated parameter adaptation

#9
20180366155
2018-12-20

Hybrid timing recovery

#10
20180337804
2018-11-22

Equalizer and method for equalizing a receive signal

#11
20180248739
2018-08-30

Receiver, a plurality of transmitters, a method of receiving user data from multiple transmitters, and a method of transmitting user data

#12
20170288747
2017-10-05

WIRELESS DEVICE AND METHOD FOR ITERATIVE DECODING FOR MU-MIMO WIRELESS SYSTEMS

#13
20170094665
2017-03-30

Method and system for compensating for doubly selective channel and related apparatus

#14
20160128071
2016-05-05

Radio Frequency Coexistence Management For Concurrent Data Traffic Service In Multi-Subscriber-Identity-Module (SIM) Devices

#15
20160028516
2016-01-28

System, method, and program for robust interference rejection combining

#16
20150365196
2015-12-17

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#17
20140029706
2014-01-30

Convergence during interference suppression

#18
20130294494
2013-11-07

Efficient frequency domain (FD) MMSE equalization weight updates in a multi-stage parallel interference cancellation receiver

#19
20130259168
2013-10-03

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#20
20120314740
2012-12-13

Groupwise successive interference cancellation for block transmission with reception diversity

#21
20120269237
2012-10-25

DATA DETECTION FOR CODES WITH NON-UNIFORM SPREADING FACTORS

#22
20120269175
2012-10-25

EFFICIENT IMPLEMENTATION OF JOINT DETECTION BASED TDSCDMA RECEIVERS

#23
20120230374
2012-09-13

Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion

#24
20120201279
2012-08-09

Successive interference cancellation

#25
20120183018
2012-07-19

Method and apparatus for equalizing CDMA signals

#26
20120134450
2012-05-31

Detection and mitigation of temporary impairments in a communications channel

#27
20120127962
2012-05-24

DETECTION AND MITIGATION OF TEMPORARY (BURSTS) IMPAIRMENTS IN CHANNELS USING SCDMA

#28
20120127923
2012-05-24

Method and Apparatus for Enabling a Low Complexity Receiver

#29
20120027115
2012-02-02

Method and apparatus for impairment correlation estimation in a wireless communication receiver

#30
20110158180
2011-06-30

Method of processing received signals, corresponding receiver and computer program product therefor

#31
20100229075
2010-09-09

Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion

#32
20100195747
2010-08-05

Method and apparatus for performing joint detection with a common midamble

#33
20100103997
2010-04-29

MMSE equaliser

#34
20100034220
2010-02-11

Successive interference canceling for CDMA

#35
20100020856
2010-01-28

Data detection for codes with non-uniform spreading factors

#36
20100014565
2010-01-21

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#37
20090316762
2009-12-24

Scaling using gain factors for use in data detection

#38
20090296664
2009-12-03

Detection and mitigation of temporary (bursts) impairments in channels using SCDMA

#39
20090290667
2009-11-26

Joint symbol, amplitude, and rate estimator

#40
20090225815
2009-09-10

Communication system with receivers employing generalized two-stage data estimation

#41
20090168739
2009-07-02

Method and apparatus employed in a user equipment for interference signal code power and noise variance estimation

#42
20090165019
2009-06-25

Data flow control in wireless communication systems

#43
20090080495
2009-03-26

Groupwise successive interference cancellation for block transmission with reception diversity

#44
20090067553
2009-03-12

Joint symbol, amplitude, and rate estimator

#45
20090037597
2009-02-05

Joint symbol, amplitude, and rate estimator

#46
20090003414
2009-01-01

Method and apparatus for equalizing CDMA signals

#47
20080304552
2008-12-11

Receiver for communication system

#48
20080267265
2008-10-30

Robust multicode detector for HSDPA

#49
20080267262
2008-10-30

Efficient computation of soft scaling factors for linear multi-user detector

#50
20080260060
2008-10-23

Method of controlling signal transmission in multi-input/multi-output system

#51
20080240302
2008-10-02

Communication system with receivers employing generalized two-stage data estimation

#52
20080232440
2008-09-25

Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion

#53
20080232327
2008-09-25

Decorrelating discrimination system of code division multiple access signals

#54
20080227397
2008-09-18

Group LMMSE demodulation using noise and interference covariance matrix for reception on a cellular downlink

#55
20080225781
2008-09-18

Group MMSE-DFD with order and filter computation for reception on a cellular downlink

#56
20080112381
2008-05-15

Iterative detection and cancellation for wireless communication

#57
20080098287
2008-04-24

Detection and mitigation of temporary impairments in a communications channel

#58
20080095216
2008-04-24

Scaling using gain factors for use in data detection

#59
20080095139
2008-04-24

Data detection for codes with non-uniform spreading factors

#60
20080084952
2008-04-10

Channel equalization with SCDMA modulation

#61
20080043875
2008-02-21

Reduced computation in joint detection

#62
20080019431
2008-01-24

Groupwise successive interference cancellation for block transmission with reception diversity

#63
20070242731
2007-10-18

Pilot aided adaptive minimum mean square interference cancellation and detection

#64
20070237211
2007-10-11

Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion

#65
20070223565
2007-09-27

Decision feedback equalizer for code division multiplexed signals

#66
20070211685
2007-09-13

Adaptive unbiased least square (LS) algorithm for mitigating interference for CDMA down link and other applications

#67
20070206543
2007-09-06

User equipment and base station performing data detection using a scalar array

#68
20070140393
2007-06-21

Compensation Of Reference Frequency Drift In System Requiring Critical Upstream Timing

#69
20070140321
2007-06-21

Successive interference canceling for CDMA

#70
20070097855
2007-05-03

Quasi-orthogonal allocation of codes in TD-CDMA systems

#71
20070036202
2007-02-15

Code, signal and conjugate direction design for rapidly-adaptive communication receivers and electromagnetic, acoustic and nuclear array processors

#72
20070019712
2007-01-25

Apparatus and method for multiuser detection in CDMA communication system

#73
20060280232
2006-12-14

Reception device and reception method

#74
20060274842
2006-12-07

Frequency domain joint detection for wireless communication systems

#75
20060262834
2006-11-23

Multiuser detection of differing data rate signals

#76
20060251156
2006-11-09

Method and apparatus for impairment correlation estimation in a wireless communication receiver

#77
20060245476
2006-11-02

Joint detector in a code division multiple access radio receiver

#78
20060233223
2006-10-19

Communication system with receivers employing generalized two-stage data estimation

#79
20060188008
2006-08-24

Scaling using gain factors for use in data detection

#80
20060182070
2006-08-17

Data detection method and receiver

#81
20060133462
2006-06-22

Weighted autocorrelation method for downlink CDMA LMMSE equalizers

#82
20060126568
2006-06-15

Method and apparatus for performing chip level equalization using joint processing

#83
20060120439
2006-06-08

System and method for received signal prediction in wireless communications system

#84
20060109891
2006-05-25

Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture

#85
20060047842
2006-03-02

Joint symbol, amplitude, and rate estimator

#86
20060013328
2006-01-19

Method and detector for a novel channel quality indicator for space-time encoded MIMO spread spectrum systems in frequency selective channels

#87
20050243900
2005-11-03

Scaling using gain factors for use in data detection for wireless code division multiple access communication systems

#88
20050232341
2005-10-20

Apparatus and method for canceling an interference signal in a mobile communication system using multiple antennas

#89
20050213640
2005-09-29

Communication system with receivers employing generalized two-stage data estimation

#90
20050180495
2005-08-18

Single user detection circuit

#91
20050148355
2005-07-07

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes

#92
20050147177
2005-07-07

Method of controlling signal transmission in multi-input/multi-output system

#93
20050141653
2005-06-30

Apparatus and method of multi-user detection

#94
20050128985
2005-06-16

Combined adaptive spatio-temporal processing and multi-user detection for CDMA wireless systems

#95
20050111414
2005-05-26

Parallel interference cancellation and minimum cost channel estimation

#96
20050094713
2005-05-05

Unified MMSE equalization and multi-user detection approach for use in a CDMA system

#97
20050094712
2005-05-05

Reduced computation in joint detection

#98
20050047489
2005-03-03

Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion

#99
20050013347
2005-01-20

Generalized two-stage data estimation

#100
20050002356
2005-01-06

Method and apparatus employed in a user equipment for interference signal code power and noise variance estimation

#101
15659298
2019-05-14

Methods and systems for performing radio-frequency signal noise reduction in the absence of noise models