ClassID:

223468

H04B1/71052 - 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 decorrelation matrix

Recent Application in this class:
#1
20220182088
2022-06-09

Adaptive narrowband interference rejection for satellite navigation receiver

#2
20210243054
2021-08-05

Communication device, information processing method, and storage medium

#3
20190229966
2019-07-25

Systems and methods for hybrid multi-layer signal decomposition

#4
20180316385
2018-11-01

Wireless apparatus, method and non-transitory computer-readable storage medium

#5
20160248472
2016-08-25

System and method for low density spreading modulation detection

#6
20160020871
2016-01-21

Methods, systems, and computer readable media for simplified computation of squares and sums of squares of code cross-correlation metrics for signal processing

#7
20150341133
2015-11-26

Wireless polarization modulation method using polarization shift keying and hadamard multiplexing

#8
20150188604
2015-07-02

Adaptive transmission methods for multiple user wireless networks

#9
20140169412
2014-06-19

System and method for low density spreading modulation detection

#10
20140062779
2014-03-06

Fast transform based offset determination

#11
20130301687
2013-11-14

Symbol-level code-specific joint detection for CDMA receivers

#12
20130301686
2013-11-14

Chip-level processing for joint demodulation in CDMA receivers

#13
20130287087
2013-10-31

Method and device for interference cancellation

#14
20120320834
2012-12-20

Networks adaptive transmission methods for multiple user wireless networks

#15
20120269237
2012-10-25

DATA DETECTION FOR CODES WITH NON-UNIFORM SPREADING FACTORS

#16
20120257548
2012-10-11

ACTIVE CODE SELECTION FOR JOINT-DETECTION BASED TDSCDMA RECEIVER

#17
20120163512
2012-06-28

PROCESSING NODES AND METHODS OF ESTIMATING INTERFERENCE IN A RADIO TELECOMMUNICATION NETWORK

#18
20120093269
2012-04-19

Apparatus and method for two-stage linear/nonlinear interference cancellation

#19
20100278218
2010-11-04

Method and system for multi-user interference cancellation

#20
20100278217
2010-11-04

Method and system for multi-user detection using two-stage processing

#21
20100278035
2010-11-04

Method and system for multi-user detection using two-stage processing

#22
20100254440
2010-10-07

METHOD AND APPARATUS FOR RECEIVING PLURALITY OF DATA SIGNALS

#23
20100254436
2010-10-07

Method and arrangement for improved G-RAKE scaling parameter estimation

#24
20100232326
2010-09-16

MOBILE AD-HOC NETWORK HAVING INTERFERENCE MITIGATION AND RELATED METHODS

#25
20100165949
2010-07-01

Space time transmit diversity for TDD/WCDMA systems

#26
20100067620
2010-03-18

REDUCED COMPLEXITY SLIDING WINDOW BASED EQUALIZER

#27
20100046661
2010-02-25

Receiving apparatus and mobile communication system

#28
20100020856
2010-01-28

Data detection for codes with non-uniform spreading factors

#29
20090323774
2009-12-31

Data equalisation in a communication receiver wth transmit and receive diversity

#30
20090268786
2009-10-29

Mobile communication system and wireless apparatus to be used for the same

#31
20090225815
2009-09-10

Communication system with receivers employing generalized two-stage data estimation

#32
20090202005
2009-08-13

Method and apparatus for improved channel estimation for communications signal processing

#33
20090129447
2009-05-21

Efficient joint detection

#34
20090122929
2009-05-14

Apparatus and method for cancelling interferences between orthogonal coded signals in mobile communication system

#35
20090110037
2009-04-30

Channel estimation for time division duplex communication systems

#36
20090046692
2009-02-19

Method for receiving communication signals having differing spreading factors

#37
20090023437
2009-01-22

Efficient method for forming and sharing impairment covariance matrix

#38
20080317103
2008-12-25

Method and apparatus for receiving plurality of data signals

#39
20080304600
2008-12-11

Signal processor for estimating signal parameters using an approximated inverse matrix

#40
20080298523
2008-12-04

Reduced complexity sliding window based equalizer

#41
20080267321
2008-10-30

Extended algorithm data estimator

#42
20080240302
2008-10-02

Communication system with receivers employing generalized two-stage data estimation

#43
20080198828
2008-08-21

Multiuser detector for variable spreading factors

#44
20080181170
2008-07-31

Adaptive communications methods for multiple user packet radio wireless networks

#45
20080095139
2008-04-24

Data detection for codes with non-uniform spreading factors

#46
20080062860
2008-03-13

Efficient joint detection

#47
20080043875
2008-02-21

Reduced computation in joint detection

#48
20080019429
2008-01-24

PARALLEL INTERFERENCE CANCELLATION METHOD AND APPARATUS FOR MULTIUSER DETECTION OF CDMA SIGNALS

#49
20080019426
2008-01-24

Channel estimation for time division duplex communication systems

#50
20070224952
2007-09-27

APPARATUS AND METHOD FOR SIGNAL SEPARATION VIA SPREADING CODES

#51
20070189363
2007-08-16

Reduced complexity interference suppression for wireless communications

#52
20070036202
2007-02-15

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

#53
20070019590
2007-01-25

Method and apparatus for receiving plurality of data signals

#54
20060280232
2006-12-14

Reception device and reception method

#55
20060256841
2006-11-16

Channel estimation for time division duplex communication systems

#56
20060246837
2006-11-02

Method and device for multi-user detection with simplified de-correlation in a CDMA system

#57
20060245476
2006-11-02

Joint detector in a code division multiple access radio receiver

#58
20060233223
2006-10-19

Communication system with receivers employing generalized two-stage data estimation

#59
20060203895
2006-09-14

Multiple channel joint decoding at mobile handset

#60
20060182070
2006-08-17

Data detection method and receiver

#61
20060146763
2006-07-06

Optimizing multi-user detection

#62
20060133462
2006-06-22

Weighted autocorrelation method for downlink CDMA LMMSE equalizers

#63
20060126753
2006-06-15

Apparatus and method for detecting space-time multi-user signal of base station having array antenna

#64
20060126704
2006-06-15

System for estimating data using iterative fast fourier transform error correction

#65
20060126568
2006-06-15

Method and apparatus for performing chip level equalization using joint processing

#66
20060093071
2006-05-04

Blind detection of BPSK signals in a multi-user environment

#67
20060056494
2006-03-16

Channel estimation for time division duplex communication systems

#68
20060034398
2006-02-16

Reduced complexity sliding window based equalizer

#69
20060018398
2006-01-26

Base station software for multi-user detection uplinks and downlinks and method thereof

#70
20050213640
2005-09-29

Communication system with receivers employing generalized two-stage data estimation

#71
20050180495
2005-08-18

Single user detection circuit

#72
20050094712
2005-05-05

Reduced computation in joint detection

#73
20050026578
2005-02-03

Decorrelating rake receiver apparatus and method

#74
20050025267
2005-02-03

Reduced complexity sliding window based equalizer

#75
20050013347
2005-01-20

Generalized two-stage data estimation