ClassID:

222709

H03M13/036 - 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; Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words; Theoretical methods to calculate these checking codes Heuristic code construction methods, i.e. code construction or code search based on using trial-and-error

Recent Application in this class:
#1
20260155840
2026-06-04

SYSTEM AND METHOD FOR LOW DENSITY PARITY CHECK (LDPC) CODE WITH 1/2 CODE RATE

#2
20250309922
2025-10-02

Shift Values for Quasi-Cyclic LDPC Codes

#3
20250202503
2025-06-19

SYSTEMS AND METHODS FOR BLOCK-KRONECKER BASED LOW DENSITY PARITY CHECK (LDPC) CODE WITH 1/2 CODE RATE

#4
20250112644
2025-04-03

METHODS AND APPARATUS FOR COMPACTLY DESCRIBING LIFTED LOW-DENSITY PARITY-CHECK (LDPC) CODES

#5
20250047308
2025-02-06

SYSTEM AND METHOD FOR LOW DENSITY PARITY CHECK (LDPC) CODE WITH 1/2 CODE RATE

#6
20240146331
2024-05-02

Shift Values for Quasi-Cyclic LDPC Codes

#7
20240063826
2024-02-22

Method and apparatus for channel encoding and decoding in communication or broadcasting system

#8
20240063817
2024-02-22

LDPC CODE MATRICES

#9
20240048158
2024-02-08

METHOD AND APPARATUS FOR ENCODING AND DECODING OF LOW DENSITY PARITY CHECK CODES

#10
20230344450
2023-10-26

Quasi-cyclic LDPC coding and decoding method and apparatus, and LDPC coder and decoder

#11
20230327683
2023-10-12

Methods and apparatus for compactly describing lifted low-density parity-check (LDPC) codes

#12
20230318625
2023-10-05

Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same

#13
20230275599
2023-08-31

High performance, flexible, and compact low-density parity-check (LDPC) code

#14
20230123083
2023-04-20

Channel encoding and decoding method and communication apparatus

#15
20230087194
2023-03-23

Shift values for quasi-cyclic LDPC codes

#16
20220368350
2022-11-17

LDPC code matrices

#17
20220352902
2022-11-03

Transmitting apparatus and signal processing method thereof

#18
20220302927
2022-09-22

Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same

#19
20220294474
2022-09-15

Methods and apparatuses for generating optimized LDPC codes

#20
20220263521
2022-08-18

Data processing device and data processing method

#21
20220224359
2022-07-14

Method and apparatus for channel encoding and decoding in communication or broadcasting system

#22
20220224356
2022-07-14

Methods and apparatus for compactly describing lifted low-density parity-check (LDPC) codes

#23
20220209792
2022-06-30

Method and apparatus for encoding and decoding of low density parity check codes

#24
20220094474
2022-03-24

Multi-label offset lifting method

#25
20220085830
2022-03-17

Quasi-cyclic LDPC coding and decoding method and apparatus, and LDPC coder and decoder

#26
20210376855
2021-12-02

Storage error correction using cyclic-code based LDPC codes

#27
20210336637
2021-10-28

Transmitting apparatus and signal processing method thereof

#28
20210314002
2021-10-07

Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code

#29
20210306004
2021-09-30

Method and system for generating parity check matrix for low-density parity check codes

#30
20210281277
2021-09-09

Transmission device, transmission method, reception device, and reception method

#31
20210203359
2021-07-01

Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same

#32
20210159921
2021-05-27

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 16-symbol mapping, and bit interleaving method using same

#33
20210152188
2021-05-20

Data processing device and data processing method

#34
20210119642
2021-04-22

Successive cancellation list-based decoder and decoding method thereof

#35
20210058192
2021-02-25

High performance, flexible, and compact low-density parity-check (LDPC) code

#36
20210036717
2021-02-04

Method and apparatus for encoding and decoding low density parity check codes

#37
20210036715
2021-02-04

Transmitting apparatus and signal processing method thereof

#38
20210013904
2021-01-14

Interleaving and mapping method and deinterleaving and demapping method for LDPC codeword

#39
20210006351
2021-01-07

Mobile communication system using subcoding techniques

#40
20200412480
2020-12-31

Multi-label offset lifting method

#41
20200412477
2020-12-31

Transmitter and signal processing method thereof

#42
20200412387
2020-12-31

Puncturing for structured low density parity check (LDPC) codes

#43
20200403637
2020-12-24

Data processing apparatus and data processing method

#44
20200395956
2020-12-17

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 1024-symbol mapping, and bit interleaving method using same

#45
20200389185
2020-12-10

LDPC code matrices

#46
20200336157
2020-10-22

SYSTEMATIC AND XOR-BASED CODING TECHNIQUE FOR DISTRIBUTED STORAGE SYSTEMS

#47
20200321980
2020-10-08

Data processing device and data processing method

#48
20200313700
2020-10-01

Transmission apparatus including encoder, reception apparatus including decoder, and associated methods

#49
20200304152
2020-09-24

Data processing device and data processing method

#50
20200287569
2020-09-10

Data processing device and data processing method

#51
20200259507
2020-08-13

Method and apparatus for channel encoding and decoding in communication or broadcasting system

#52
20200252082
2020-08-06

Data processing device and data processing method

#53
20200244290
2020-07-30

Method and apparatus for vector based LDPC base matrix usage and generation

#54
20200228142
2020-07-16

Shift values for quasi-cyclic LDPC codes

#55
20200204196
2020-06-25

Low density parity check encoder having length of 16200 and code rate of 4/15, and low density parity check encoding method using the same

#56
20200177201
2020-06-04

System and method for processing polar code

#57
20200119749
2020-04-16

Multiple low density parity check (LDPC) base graph design

#58
20200099396
2020-03-26

Data processing apparatus and data processing method

#59
20200067527
2020-02-27

Multi-label offset lifting method

#60
20200059251
2020-02-20

DATA PROCESSING APPARATUS AND METHOD

#61
20200059250
2020-02-20

Data processing device and data processing method

#62
20200052817
2020-02-13

Methods and apparatus for compactly describing lifted low-density parity-check (LDPC) codes

#63
20200028523
2020-01-23

Quasi-cyclic LDPC coding and decoding method and apparatus, and LDPC coder and decoder

#64
20200007165
2020-01-02

Data processing device and data processing method

#65
20190393891
2019-12-26

Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same

#66
20190379398
2019-12-12

Data processing apparatus and data processing method using low density parity check encoding for decreasing signal-to-noise power ratio

#67
20190356414
2019-11-21

Low density parity check encoder, and low density parity check encoding method using the same

#68
20190356339
2019-11-21

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 16-symbol mapping, and bit interleaving method using same

#69
20190356337
2019-11-21

Enhanced puncturing and low-density parity-check (LDPC) code structure

#70
20190356336
2019-11-21

Low density parity check encoder having length of 16200 and code rate of 2/15, and low density parity check encoding method using the same

#71
20190356332
2019-11-21

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 1024-symbol mapping, and bit interleaving method using same

#72
20190349008
2019-11-14

Method and apparatus for encoding and decoding of low density parity check codes

#73
20190341942
2019-11-07

Data processing device and data processing method for improving data transmission quality using a low density parity check code

#74
20190341936
2019-11-07

Error correction using cyclic code-based LDPC codes

#75
20190341934
2019-11-07

Data processing device and data processing method

#76
20190341933
2019-11-07

Data processing device and data processing method

#77
20190334555
2019-10-31

Transmitting apparatus and signal processing method thereof

#78
20190319639
2019-10-17

Data processing device and data processing method

#79
20190296855
2019-09-26

Transmission apparatus, transmission method, reception apparatus, and reception method using LDPC coding

#80
20190296767
2019-09-26

Shift values for quasi-cyclic LDPC codes

#81
20190280816
2019-09-12

Transmission apparatus, transmission method, reception apparatus, and reception method

#82
20190280718
2019-09-12

Transmission apparatus, transmission method, reception apparatus, and reception method

#83
20190280717
2019-09-12

Method and apparatus for encoding and decoding low density parity check codes

#84
20190280714
2019-09-12

Transmission apparatus, transmission method, reception apparatus, and reception method

#85
20190273514
2019-09-05

Transmission apparatus, transmission method, reception apparatus, and reception method

#86
20190273513
2019-09-05

Transmission apparatus, transmission method, reception apparatus, and reception method

#87
20190268021
2019-08-29

Method and apparatus for encoding and decoding of variable length quasi-cyclic low-density parity-check, QC-LDPC, codes

#88
20190253075
2019-08-15

Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code

#89
20190253074
2019-08-15

Data processing device and data processing method

#90
20190245654
2019-08-08

High performance, flexible, and compact low-density parity-check (LDPC) code

#91
20190222226
2019-07-18

Transmitting apparatus and signal processing method thereof

#92
20190215020
2019-07-11

Data processing device and data processing method

#93
20190207629
2019-07-04

Low density parity check encoder having length of 16200 and code rate of 5/15, and low density parity check encoding method using the same

#94
20190199475
2019-06-27

High performance, flexible, and compact low-density parity-check (LDPC) code

#95
20190199472
2019-06-27

Transmitter and signal processing method thereof

#96
20190199374
2019-06-27

Data processing device and data processing method

#97
20190181885
2019-06-13

Data processing apparatus and method

#98
20190158129
2019-05-23

Transmission apparatus including encoder, reception apparatus including decoder, and associated methods

#99
20190109602
2019-04-11

Data processing device and data processing method

#100
20190097659
2019-03-28

Data processing device and data processing method

#101
20190036547
2019-01-31

Apparatus and method for LDPC encoding suitable for highly reliable and low latency communication

#102
20190028122
2019-01-24

Data processing device and data processing method

#103
20190020359
2019-01-17

SYSTEMATIC CODING TECHNIQUE FOR ERASURE CORRECTION

#104
20190007067
2019-01-03

Interleaving and mapping method and deinterleaving and demapping method for LDPC codeword

#105
20190007066
2019-01-03

Interleaving and mapping method and deinterleaving and demapping method for LDPC codeword

#106
20190007061
2019-01-03

Data processing apparatus and data processing method

#107
20180351578
2018-12-06

Data processing apparatus and data processing method

#108
20180337693
2018-11-22

Data processing device and data processing method

#109
20180337691
2018-11-22

Compact low density parity check (LDPC) base graph

#110
20180323807
2018-11-08

Method and apparatus for channel encoding and decoding in communication or broadcasting system

#111
20180323802
2018-11-08

Multi-label offset lifting method

#112
20180294822
2018-10-11

Data processing device and data processing method using low density parity check encoding for decreasing signal-to-noise power ratio

#113
20180287638
2018-10-04

Data processing device and data processing method

#114
20180287633
2018-10-04

Data processing device and data processing method

#115
20180270016
2018-09-20

Mobile communication system using subcoding techniques

#116
20180262210
2018-09-13

LDPC CODE MATRICES

#117
20180241416
2018-08-23

Decoding of messages

#118
20180226989
2018-08-09

Multiple low density parity check (LDPC) base graph design

#119
20180226988
2018-08-09

Multiple low density parity check (LDPC) base graph design

#120
20180062667
2018-03-01

Encoding method, decoding method

#121
20170359148
2017-12-14

High performance, flexible, and compact low-density parity-check (LDPC) code

#122
20170359086
2017-12-14

Methods and apparatus for compactly describing lifted low-density parity-check (LDPC) codes

#123
20170331497
2017-11-16

Enhanced puncturing and low-density parity-check (LDPC) code structure

#124
20170331494
2017-11-16

Methods and apparatus for efficiently generating multiple lifted low-density parity-check (LDPC) codes

#125
20170302298
2017-10-19

Low density parity check encoder having length of 16200 and code rate of 5/15, and low density parity check encoding method using the same

#126
20170302296
2017-10-19

Encoder, decoder, transmission device, and reception device

#127
20170279462
2017-09-28

Method of constructing flat XOR codes from integer indexed tanner graphs

#128
20170257116
2017-09-07

LDPC code matrices

#129
20170230058
2017-08-10

Encoding method, decoding method, encoding device and decoding device for structured LDPC

#130
20170201348
2017-07-13

Apparatus and method for transmitting and receiving signal in communication system supporting rate compatible low density parity check code

#131
20170149530
2017-05-25

Low density parity check encoder, and low density parity check encoding method using the same

#132
20170149524
2017-05-25

Transmission apparatus including encoder, reception apparatus including decoder, and associated methods

#133
20170149453
2017-05-25

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 16-symbol mapping, and bit interleaving method using same

#134
20170149447
2017-05-25

Low density parity check encoder having length of 16200 and code rate of 4/15, and low density parity check encoding method using the same

#135
20170149444
2017-05-25

Error correction using cyclic code-based LDPC codes

#136
20170141798
2017-05-18

Puncturing for structured low density parity check (LDPC) codes

#137
20170141795
2017-05-18

Transmitting apparatus and signal processing method thereof

#138
20170134050
2017-05-11

Channel coding framework for 802.11AY and larger block-length LDPC codes for 11AY with 2-step lifting matrices and in-place property

#139
20170134047
2017-05-11

Coding method, decoding method, coder, and decoder

#140
20170012648
2017-01-12

Low density parity check encoder having length of 16200 and code rate of 5/15, and low density parity check encoding method using the same

#141
20170012647
2017-01-12

Low density parity check encoder having length of 16200 code rate of 3/15, and low density parity check encoding method using the same

#142
20170012644
2017-01-12

Low density parity check encoder having length of 16200 and code rate of 2/15, and low density parity check encoding method using the same

#143
20160373135
2016-12-22

Data processing device and data processing method

#144
20160344412
2016-11-24

Method and apparatus for encoding and decoding low density parity check codes

#145
20160294417
2016-10-06

Encoder, decoder, transmission device, and reception device

#146
20160269048
2016-09-15

Encoding method, decoding method

#147
20160248448
2016-08-25

Sparse graph creation device and sparse graph creation method

#148
20160233979
2016-08-11

Method and system for reliable data communications with adaptive multi-dimensional modulations for variable-iteration decoding

#149
20160211941
2016-07-21

Low density parity check (LDPC) codes for communication devices and systems

#150
20160204806
2016-07-14

Data processing device and data processing method

#151
20160197688
2016-07-07

Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

#152
20160192026
2016-06-30

Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

#153
20160173135
2016-06-16

Transmitter and signal processing method thereof

#154
20160173129
2016-06-16

LDPC code matrices

#155
20160156371
2016-06-02

Data processing device and data processing method

#156
20160156370
2016-06-02

Data processing device and data processing method

#157
20160154699
2016-06-02

Low density parity check encoder having length of 16200 and code rate of 2/15, and low density parity check encoding method using the same

#158
20160149594
2016-05-26

Data processing device and data processing method

#159
20160149589
2016-05-26

Data processing device and data processing method

#160
20160126979
2016-05-05

Encoding method, and decoding method

#161
20160094246
2016-03-31

Non-binary low density parity check (NB-LDPC) codes for communication systems

#162
20160065242
2016-03-03

Low density parity check encoder, and low density parity check encoding method using the same

#163
20160049956
2016-02-18

Low density parity check encoder having length of 16200 and code rate of 5/15, and low density parity check encoding method using the same

#164
20160049955
2016-02-18

Low density parity check encoder having length of 16200 and code rate of 4/15, and low density parity check encoding method using the same

#165
20160049954
2016-02-18

Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same

#166
20160049953
2016-02-18

Low density parity check encoder having length of 16200 and code rate of 2/15, and low density parity check encoding method using the same

#167
20160043740
2016-02-11

Data processing device and data processing method

#168
20150372694
2015-12-24

Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code

#169
20150365105
2015-12-17

Transmitter and receiver, and method of varying a coding rate

#170
20150349803
2015-12-03

Encoding method, decoding method

#171
20150341051
2015-11-26

Coding method, decoding method, coder, and decoder

#172
20150303949
2015-10-22

Cost-efficient repair for storage systems using progressive engagement

#173
20150301896
2015-10-22

Load balancing on disks in raid based on linear block codes

#174
20150288386
2015-10-08

Coding method and decoding method

#175
20150270854
2015-09-24

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 1024-symbol mapping, and bit interleaving method using same

#176
20150236722
2015-08-20

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 16-symbol mapping, and bit interleaving method using same

#177
20150194986
2015-07-09

Data encoding method and electronic device therefor

#178
20150155886
2015-06-04

QPP interleaver/DE-interleaver for turbo codes

#179
20150149859
2015-05-28

Method and apparatus for encoding and decoding data in memory system

#180
20150128005
2015-05-07

Transmitting apparatus and signal processing method thereof

#181
20150089321
2015-03-26

Transmitting apparatus and signal processing method thereof

#182
20150006989
2015-01-01

Parity check matrix creation method, encoding apparatus, and recording/reproduction apparatus

#183
20140372826
2014-12-18

Apparatuses and methods for encoding and decoding of parity check codes

#184
20140372825
2014-12-18

Method and apparatus for encoding and decoding of low density parity check codes

#185
20140331102
2014-11-06

Low density parity check (LDPC) encoding and decoding for small terminal applications

#186
20140317477
2014-10-23

Coding and decoding method, apparatus, and system for forward error correction

#187
20140310567
2014-10-16

Transmission apparatus including encoder, reception apparatus including decoder, and associated methods

#188
20140258807
2014-09-11

Decoding and optimized implementation of SECDED codes over GF(q)

#189
20140258806
2014-09-11

Method and device for transmitting data

#190
20140229789
2014-08-14

LDPC design for high parallelism, low error floor, and simple encoding

#191
20140181618
2014-06-26

Error detection and correction apparatus and method

#192
20140143640
2014-05-22

Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code

#193
20140143639
2014-05-22

Encoder and encoding method providing incremental redundancy

#194
20140136921
2014-05-15

Encoding method, decoding method

#195
20140082452
2014-03-20

Data processing device and data processing method

#196
20140032997
2014-01-30

QPP interleaver/de-interleaver for turbo codes

#197
20130311857
2013-11-21

Encoding method, decoding method

#198
20130311850
2013-11-21

Data processing device and data processing method

#199
20130305113
2013-11-14

Data-processing device and data-processing method

#200
20130297993
2013-11-07

Encoding method, and decoding method

#201
20130290816
2013-10-31

Data-processing device and data-processing method

#202
20130272444
2013-10-17

Sparse superposition encoder and decoder for communications system

#203
20130254617
2013-09-26

Data processing device and data processing method for encoding/decoding information bits

#204
20130219249
2013-08-22

Method for determining parity check matrix utilized in flash memory system and related flash memory system thereof

#205
20130216001
2013-08-22

Interleaving method and deinterleaving method

#206
20130166992
2013-06-27

Data processing device and data processing method

#207
20130086456
2013-04-04

System and method for determining quasi-cyclic low-density parity-check codes having high girth

#208
20130061117
2013-03-07

Time-varying low-density parity-check convolutional codes

#209
20120331369
2012-12-27

Systems and methods for error correction using low density parity check codes using multiple layer check equations

#210
20120319874
2012-12-20

Method for generating codewords

#211
20120240001
2012-09-20

LDPC code family for millimeter-wave band communications in a wireless network

#212
20120233524
2012-09-13

Low-density parity check codes for holographic storage

#213
20120221914
2012-08-30

Non-concatenated FEC codes for ultra-high speed optical transport networks

#214
20120173949
2012-07-05

METHOD OF CONSTRUCTING PARITY-CHECK MATRIX OF LDPC CODE AND ENCODING METHOD AND ENCODING APPARATUS BASED ON THE METHOD

#215
20120106414
2012-05-03

Methods and apparatus for encoding data in a communication network

#216
20120096330
2012-04-19

Error detection and correction codes for channels and memories with incomplete error characteristics

#217
20120089888
2012-04-12

Systems and methods for multi-level quasi-cyclic low density parity check codes

#218
20120089883
2012-04-12

Systems and methods for error correction using irregular low density parity check codes

#219
20120056764
2012-03-08

System and method for preserving neighborhoods in codes

#220
20120008666
2012-01-12

Enhanced block coding method based on small size block code

#221
20110320906
2011-12-29

Encoder, decoder, and encoding method

#222
20110307756
2011-12-15

Rate-compatible protograph LDPC codes

#223
20110202820
2011-08-18

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

#224
20110138262
2011-06-09

Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code

#225
20110047433
2011-02-24

System and method for structured LDPC code family with fixed code length and no puncturing

#226
20110010605
2011-01-13

Method for transmitting a binary information word

#227
20100299572
2010-11-25

Data processing apparatus and data processing method as well as encoding apparatus and encoding method

#228
20100281327
2010-11-04

Communication system, transmitter, error correcting code retransmitting method, and communication program

#229
20100275101
2010-10-28

Data processing apparatus and data processing method

#230
20100275100
2010-10-28

Data processing apparatus and data processing method as well as encoding apparatus and encoding method

#231
20100169747
2010-07-01

Optimum distance spectrum feedforward low rate tail-biting convolutional codes

#232
20100031124
2010-02-04

Transmission apparatus and method, reception apparatus and method, and program

#233
20090183050
2009-07-16

Forward error correction scheme for data channels using universal turbo codes

#234
20080294963
2008-11-27

METHOD AND APPARATUS FOR DESIGNING LOW DENSITY PARITY CHECK CODE WITH MULTIPLE CODE RATES, AND INFORMATION STORAGE MEDIUM THEREOF

#235
20080244353
2008-10-02

Method for creating an error correction coding scheme

#236
20080114711
2008-05-15

Methods and apparatus for encoding data in a communication network

#237
20080065956
2008-03-13

Method and apparatus for encoding and decoding data

#238
20080065952
2008-03-13

Forward error correction scheme for data channels using universal turbo codes

#239
20070198890
2007-08-23

Creating an error correction coding scheme and reducing data loss

#240
20060200706
2006-09-07

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