ClassID:

225741

H04L25/03242 - CPC Classification

Classification description:

Baseband systems; Details ; arrangements for supplying electrical power along data transmission lines; Shaping networks in transmitter or receiver, e.g. adaptive shaping networks; Arrangements for removing intersymbol interference; Arrangements involving sequence estimation techniques; Trellis search techniques Methods involving sphere decoding

Recent Application in this class:
#1
20230040774
2023-02-09

Multiple-input and multiple-output (MIMO) detection in wireless communications

#2
20220247605
2022-08-04

Devices and methods for machine learning assisted sphere decoding

#3
20200322190
2020-10-08

Efficient sphere detector algorithm for large antenna communication systems using graphic processor unit (GPU) hardware accelerators

#4
20200145092
2020-05-07

MIMO receiver that selects candidate vector set and operation method thereof

#5
20200052935
2020-02-13

Receiver and receiving method using quadrature spatial modulation technology, and relevant wireless communication system

#6
20190386857
2019-12-19

Approximate enumerative sphere shaping

#7
20190288883
2019-09-19

Optimized architecture for a signal decoder

#8
20190288882
2019-09-19

Efficient sphere detector algorithm for large antenna communication systems using graphic processor unit (GPU) hardware accelerators

#9
20180241591
2018-08-23

Tree search-based decoding

#10
20180234205
2018-08-16

Communication device and method for efficiently receiving MIMO signals

#11
20180191532
2018-07-05

Anticipated termination for sequential decoders

#12
20180176049
2018-06-21

Parallel processing of sphere decoders and other vector finding approaches using tree search

#13
20180145852
2018-05-24

Sequential decoding with stack reordering

#14
20180034675
2018-02-01

Tree search tone reservation for PAPR reduction in OFDM systems

#15
20170294986
2017-10-12

Methods and devices for sequential sphere decoding

#16
20170187445
2017-06-29

Weighted sequential decoding

#17
20170141788
2017-05-18

Semi-exhaustive recursive block decoding method and device

#18
20160233930
2016-08-11

Lattice-reduction-aided K-best algorithm for low complexity and high performance communications

#19
20160134441
2016-05-12

Equalization in the receiver of a multiple input multiple output system

#20
20160112220
2016-04-21

Method performed by a sphere decoder based turbo equalizer

#21
20160056921
2016-02-25

Low complexity maximum-likelihood-based method for estimating emitted symbols in a SM-MIMO receiver

#22
20150304069
2015-10-22

Method and apparatus for soft output fixed complexity sphere decoding detection

#23
20150222457
2015-08-06

System and method for tree-search enhancement by metric prediction based on incomplete paths in soft output MIMO decoder

#24
20150155971
2015-06-04

System and method for accelerating a maximum likelihood decoder in a MIMO system

#25
20150030107
2015-01-29

Low complexity maximum-likelihood-based method for estimating emitted symbols in a SM-MIMO receiver

#26
20140185716
2014-07-03

MIMO receiver using lattic reduction and K-Best detection

#27
20140056391
2014-02-27

Orthotope sphere decoding method and apparatus for signal reconstruction in multi-input multi-output antenna system

#28
20140023159
2014-01-23

Method for selecting transmitting points in a communication system

#29
20120269303
2012-10-25

Branch processing of search tree in a sphere decoder

#30
20120263261
2012-10-18

Incremental lattice reduction systems and methods

#31
20120219097
2012-08-30

Two-step joint demapping algorithm for LLR computation of MIMO signal based on sphere decoding

#32
20120155411
2012-06-21

Process for inter-cell interference cancellation in a synchronized OFDM system, and apparatus for the same

#33
20120114058
2012-05-10

Multiple-input multiple-output signal detectors based on relaxed lattice reduction

#34
20120106684
2012-05-03

Method and arrangement for soft-decision sphere decoding

#35
20120106666
2012-05-03

Method for defining a search sequence for soft-decision sphere decoding algorithm

#36
20120045024
2012-02-23

METHODS AND APPARATUS FOR ITERATIVE DECODING IN MULTIPLE-INPUT-MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEMS

#37
20120044982
2012-02-23

CQI and rank prediction for list sphere decoding and ML MIMO receivers

#38
20110261908
2011-10-27

SOFT DEMAPPING METHOD AND APPARATUS AND COMMUNICATION SYSTEM THEREOF

#39
20110206151
2011-08-25

Multi-term demapping for multi-channel wireless communication

#40
20110069785
2011-03-24

System and method for low complexity sphere decoding for spatial multiplexing MIMO

#41
20110026629
2011-02-03

System and method for encoding and decoding of space-time block codes in data communication

#42
20110007853
2011-01-13

Method for selecting transmitting points in a communication system

#43
20110007851
2011-01-13

Method and device for multiple input-multiple output detection

#44
20100329395
2010-12-30

Method and apparatus for symbol decoding using tree pruning based sphere search

#45
20100322352
2010-12-23

Sphere detector performing depth-first search until terminated

#46
20100309796
2010-12-09

Reduced-complexity equalization with sphere decoding

#47
20100246732
2010-09-30

DETECTING APPARATUS AND METHOD IN MIMO SYSTEM

#48
20100239043
2010-09-23

Method and apparatus for detecting signals of multi-input multi-output system

#49
20100182897
2010-07-22

SIGNAL DETECTING METHOD FOR SPATIAL MULTIPLEXING MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEMS

#50
20100172443
2010-07-08

SYSTEMS AND METHODS OF CLASSIFYING AND DECODING WIRELESS SIGNALS

#51
20100074376
2010-03-25

Sphere decoding method applied to multi-input multi-output (MIMO) channel

#52
20100074375
2010-03-25

Sphere decoding method applied to multi-input multi-output (MIMO) channel

#53
20100054372
2010-03-04

Method and arrangement for generating soft bit information in a receiver of a multiple antenna system

#54
20100054365
2010-03-04

Multilevel cluster-based MIMO detection method and MIMO detector thereof

#55
20100040177
2010-02-18

MIMO symbol detection for SNR higher and lower than a threshold

#56
20100031113
2010-02-04

Method and apparatus of candidate list augmentation for channel coding system

#57
20100014606
2010-01-21

Symbol detector and sphere decoding method

#58
20100008451
2010-01-14

Symbol detection in a MIMO communication system

#59
20090327835
2009-12-31

Techniques for reducing joint detection complexity in a channel-coded multiple-input multiple-output communication system

#60
20090310695
2009-12-17

Communication apparatus, communication method and computer program

#61
20090304114
2009-12-10

METHOD FOR DECODING DIGITAL INFORMATION ENCODED WITH A CHANNEL CODE

#62
20090285342
2009-11-19

Perturbed decoder, perturbed decoding method and apparatus in communication system using the same

#63
20090279644
2009-11-12

MIMO decoder and MIMO decoding method

#64
20090257530
2009-10-15

Radius adaptive sphere decoding with probabilistic noise constraint

#65
20090213965
2009-08-27

MIMO multiplexing communication system and a signal separation method

#66
20090196379
2009-08-06

Multiple-input multiple-output signal detectors based on relaxed lattice reduction

#67
20090154600
2009-06-18

QRD-QLD searching based sphere detector for MIMO receiver

#68
20090129496
2009-05-21

Full-rate distributed space-time codes for cooperative communications

#69
20090063106
2009-03-05

Method and device for decoding a signal of multiple input/multiple output system

#70
20080313252
2008-12-18

Sphere decoder and decoding method thereof

#71
20080279298
2008-11-13

MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) DETECTOR INCORPORATING EFFICIENT SIGNAL POINT SEARCH

#72
20080273632
2008-11-06

Estimation of log-likelihood using constrained markov-chain monte carlo simulation

#73
20080232500
2008-09-25

Soft Output Sphere Decoding Method

#74
20080232455
2008-09-25

Maximum likelihood decoder for pulse and amplitude position modulation multi-source system

#75
20080212720
2008-09-04

Maximum likelihood decoder for pulse position modulation multi-source system

#76
20080198943
2008-08-21

Systems and methods for lattice enumeration-aided detection

#77
20080182521
2008-07-31

Wireless signal detection using a transformed lattice boundary

#78
20080181339
2008-07-31

Maximum likelihood detection method and system

#79
20080165878
2008-07-10

Wireless communication receiving device and wireless communication system

#80
20080144746
2008-06-19

Parameterized sphere detector and methods of using the same

#81
20080137781
2008-06-12

Method of detecting space-time code in mobile communication system with 4 Tx antenna

#82
20080123764
2008-05-29

WIRELESS COMMUNICATIONS APPARATUS

#83
20080101509
2008-05-01

APPARATUS AND METHOD FOR DECODING RECEIVED SIGNAL IN MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM

#84
20080084948
2008-04-10

WIRELESS COMMUNICATION APPARATUS

#85
20080075183
2008-03-27

WIRELESS COMMUNICATION APPARATUS

#86
20080043615
2008-02-21

Multi-Rate Wireless Communication Apparatus and Code Distributing Method

#87
20080019331
2008-01-24

Receiver having multi-antenna log likelihood ratio generation with channel estimation error

#88
20070286313
2007-12-13

Parallel soft spherical MIMO receiver and decoding method

#89
20070217537
2007-09-20

Minimum error rate lattice space time codes for wireless communication

#90
20070201632
2007-08-30

Apparatus, method and computer program product providing a mimo receiver

#91
20070195738
2007-08-23

Method of packet format dependent selection of MIMO-OFDM demodulator

#92
20070162827
2007-07-12

Sphere detection and rate selection for a MIMO transmission

#93
20070136648
2007-06-14

Iterative decoding receiver reducing complexity of partial sphere decoding in spatial multiplexing system and method thereof

#94
20070133709
2007-06-14

Apparatus and method for iterative detection and decoding (IDD) in multi-antenna communication system

#95
20070010957
2007-01-11

CQI and rank prediction for list sphere decoding and ML MIMO receivers

#96
20060276212
2006-12-07

CQI and rank prediction for list sphere decoding and ML MIMO receivers

#97
20060274836
2006-12-07

Sphere decoding apparatus

#98
20060256888
2006-11-16

Multi input multi output wireless communication reception method and apparatus

#99
20050210039
2005-09-22

Method of sphere decoding with low complexity and good statistical output

#100
20050175122
2005-08-11

Signal detection using sphere decoding technique

#101
20050135498
2005-06-23

Signal decoding methods and apparatus

#102
20050094742
2005-05-05

Signal decoding methods and apparatus

#103
13652376
2016-02-02

MIMO sphere decoder with linear startup in a wireless local area network