ClassID:

222951

H03M13/6583 - CPC Classification

Classification description:

Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes; Purpose and implementation aspects; Representation or format of variables, register sizes or word-lengths and quantization Normalization other than scaling, e.g. by subtraction

Sub-classes:
Recent Application in this class:
#1
20250317158
2025-10-09

ERROR CORRECTION APPARATUS, CONTROL CIRCUIT, STORAGE MEDIUM, AND ERROR CORRECTION METHOD

#2
20250247111
2025-07-31

CONTROLLER, SYSTEM AND METHOD FOR DECODING CODEWORD BASED ON HISTORICAL INFORMATION

#3
20250192804
2025-06-12

Wireless Transport Framework with Uncoded Transport Tunneling

#4
20250184556
2025-06-05

Control Information for a Wirelessly-Transmitted Data Stream

#5
20230370667
2023-11-16

Control information for a wirelessly-transmitted data stream

#6
20230361785
2023-11-09

Wireless transport framework with uncoded transport tunneling

#7
20220353562
2022-11-03

Control information for a wirelessly-transmitted data stream

#8
20220224358
2022-07-14

POLAR CODE DECODING APPARATUS AND OPERATION METHOD THEREOF

#9
20220109456
2022-04-07

Wireless transport framework with uncoded transport tunneling

#10
20210168186
2021-06-03

Multimedia streams which use control information to associate audiovisual streams

#11
20210144425
2021-05-13

Control information for a wirelessly-transmitted data stream

#12
20200280323
2020-09-03

Wireless transport framework with uncoded transport tunneling

#13
20200028886
2020-01-23

Audio stagger casting

#14
20190326926
2019-10-24

System and methods for data compression and nonuniform quantizers

#15
20190320218
2019-10-17

Control information for a wirelessly-transmitted data stream

#16
20190158904
2019-05-23

Generating control information for use in transmission with a multimedia stream to an audiovisual device

#17
20180234111
2018-08-16

Wireless transport framework with uncoded transport tunneling

#18
20180109586
2018-04-19

Multimedia streams which use control information to associate audiovisual streams

#19
20180109269
2018-04-19

Adjusted min-sum decoder

#20
20180026662
2018-01-25

Method for controlling decoding process based on path metric value and computing apparatus and mobile device for controlling the same

#21
20170094335
2017-03-30

Generating control information for use in transmission with a multimedia stream to an audiovisual device

#22
20170054783
2017-02-23

Multimedia streams which use control information to associate audiovisual streams

#23
20160329910
2016-11-10

Non-binary LDPC decoder using binary subgroup processing

#24
20160294415
2016-10-06

Error correction decoding apparatus

#25
20150263762
2015-09-17

Forward error correction (FEC) for local area networks (LANs)

#26
20150181264
2015-06-25

Wireless system with variable training information based on device type

#27
20150156527
2015-06-04

Generating control information for use in transmission with a multimedia stream to an audiovisual device

#28
20150082116
2015-03-19

Low density party check (LDPC) decoder and method of decoding performed by LDPC decoder in digital video broadcasting (DVB) system

#29
20140359393
2014-12-04

Systems and methods for data processing using global iteration result reuse

#30
20140281787
2014-09-18

Min-sum based hybrid non-binary low density parity check decoder

#31
20140281785
2014-09-18

Error-correction decoding with conditional limiting of check-node messages

#32
20140195877
2014-07-10

LDPC decoding with on the fly error recovery

#33
20140082449
2014-03-20

LDPC Decoder With Variable Node Hardening

#34
20140075489
2014-03-13

Wireless transport framework with variable frequency domain training

#35
20140053037
2014-02-20

Multi-level LDPC layered decoder with out-of-order processing

#36
20140032996
2014-01-30

Decoding apparatus, storage apparatus, and decoding method

#37
20130263203
2013-10-03

Bit-efficient control information for use with multimedia streams

#38
20130238950
2013-09-12

Decoding apparatus and decoding method for decoding LDPC-encoded data

#39
20130173998
2013-07-04

Wireless transport framework with uncoded transport tunneling

#40
20130173988
2013-07-04

Mixed domain FFT-based non-binary LDPC decoder

#41
20130139025
2013-05-30

Construction of multi rate low density parity check convolutional codes

#42
20130111292
2013-05-02

Semiconductor memory device and decoding method

#43
20130031588
2013-01-31

Wireless transmission of multimedia streams which uses control information to associate error correction coding with an audiovisual stream

#44
20130019141
2013-01-17

Min-sum based non-binary LDPC decoder

#45
20130007558
2013-01-03

Error correcting code decoding device, decoding method, and mobile station apparatus

#46
20120290891
2012-11-15

Method and apparatus for decoding low density parity check code

#47
20120284583
2012-11-08

Overlapping sub-matrix based LDPC (low density parity check) decoder

#48
20120198301
2012-08-02

Operational parameter adaptable LDPC (low density parity check) decoder

#49
20120066563
2012-03-15

ERROR CORRECTION DECODER, MEMORY CONTROLLER AND RECEIVER

#50
20120026022
2012-02-02

Method of identifying a correct decoding codeward

#51
20110264980
2011-10-27

Systems and methods for low density parity check data decoding

#52
20110185264
2011-07-28

LDPC decoding with on the fly error recovery

#53
20110145675
2011-06-16

Calculation technique for sum-product decoding method (belief propagation method) based on scaling of input log-likelihood ratio by noise variance

#54
20110072336
2011-03-24

LDPC (low density parity check) coded modulation symbol decoding

#55
20110029756
2011-02-03

Method and system for decoding low density parity check codes

#56
20100325514
2010-12-23

Decoding method and decoding device

#57
20100299583
2010-11-25

Optimized Viterbi decoder and GNSS receiver

#58
20100262888
2010-10-14

Decoding apparatus and method based on variable error correction value

#59
20100251059
2010-09-30

Shuffled LDPC decoding

#60
20100185925
2010-07-22

Differential Locally Updating Viterbi Decoder

#61
20100146360
2010-06-10

Unified decoder for convolutional, turbo, and LDPC codes

#62
20100138721
2010-06-03

Overlapping sub-matrix based LDPC (low density parity check) decoder

#63
20100050043
2010-02-25

Method and device for decoding LDPC codes and communication apparatus including such device

#64
20100037119
2010-02-11

APPARATUS AND METHOD FOR UPDATING CHECK NODE OF LOW-DENSITY PARITY CHECK CODES

#65
20090327836
2009-12-31

Decoding method for convolution code and decoding device

#66
20090288121
2009-11-19

Transmission of multimedia streams to mobile devices with variable training information

#67
20090262839
2009-10-22

Transmission of multimedia streams to mobile devices with uncoded transport tunneling

#68
20090260041
2009-10-15

Transmitting and receiving control information for use with multimedia streams

#69
20090235141
2009-09-17

Transmission of multimedia streams to mobile devices with cross stream association

#70
20090228768
2009-09-10

Resource sharing in decoder architectures

#71
20090222710
2009-09-03

Selectively applied hybrid min-sum approximation for constraint node updates of LDPC decoders

#72
20090187811
2009-07-23

Method and system for providing low density parity check (LDPC) encoding

#73
20090164540
2009-06-25

APPARATUS AND METHOD FOR UPDATING CHECK NODE OF LOW DENSITY PARITY CHECK CODE

#74
20090132887
2009-05-21

Communication apparatus and decoding method

#75
20090110126
2009-04-30

Reduced complexity Viterbi decoder

#76
20090100312
2009-04-16

Apparatus and method for decoding low-density parity check code

#77
20090037795
2009-02-05

Denoising and error correction for finite input, general output channel

#78
20090013356
2009-01-08

Mobile television broadcast system

#79
20080282129
2008-11-13

Operational parameter adaptable LDPC (low density parity check) decoder

#80
20080246639
2008-10-09

Decoding apparatus and communications apparatus

#81
20080189234
2008-08-07

Search circuit in decoding unit of low-density parity-check codes and method thereof

#82
20080109698
2008-05-08

HYBRID MIN-SUM DECODING APPARATUS WITH LOW BIT RESOLUTION FOR LDPC CODE

#83
20080082902
2008-04-03

Systems and methods for reduced complexity LDPC decoding

#84
20080082895
2008-04-03

Method and system for generating low density parity check codes

#85
20080082868
2008-04-03

Overlapping sub-matrix based LDPC (low density parity check) decoder

#86
20080065961
2008-03-13

LDPC (low density parity check) coded modulation symbol decoding

#87
20080065947
2008-03-13

Method and system for decoding low density parity check (LDPC) codes

#88
20080052594
2008-02-28

Method and system for replica group-shuffled iterative decoding of quasi-cyclic low-density parity check codes

#89
20080052558
2008-02-28

Systems and methods for reduced complexity LDPC decoding

#90
20080005643
2008-01-03

Apparatus and method for receiving signal in a communication system

#91
20070283218
2007-12-06

Low density parity check code decoder

#92
20070283213
2007-12-06

Method and apparatus for self-compensation on belief-propagation algorithm

#93
20070260944
2007-11-08

Decoding LDPC (low density parity check) code and graphs using multiplication (or addition in log-domain) on both sides of bipartite graph

#94
20070250759
2007-10-25

Margin decoding communications system

#95
20070245217
2007-10-18

Low-density parity check decoding

#96
20070113142
2007-05-17

Method and system for providing low density parity check (LDPC) encoding

#97
20060282742
2006-12-14

2D-normalized min-sum decoding for ECC codes

#98
20060209996
2006-09-21

Decoder for executing a Viterbi algorithm

#99
20050278611
2005-12-15

High-speed turbo decoding apparatus and method thereof

#100
20050262408
2005-11-24

Fast min*- or max*-circuit in LDPC (low density parity check) decoder

#101
20050246606
2005-11-03

Decoding LDPC (Low Density Parity Check) code and graphs using multiplication (or addition in log-domain) on both sides of bipartite graph

#102
20050172209
2005-08-04

Efficient LDPC code decoding with new minus operator in a finite precision radix system

#103
20050166133
2005-07-28

Method and system for decoding low density parity check (LDPC) codes

#104
20050138519
2005-06-23

LDPC decoder, corresponding method, system and computer program

#105
20050081128
2005-04-14

Decoding low density parity codes

#106
17336288
2023-01-24

System and methods for data compression and nonuniform quantizers