ClassID:

222923

H03M13/6505 - 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; Reduction of hardware complexity or efficient processing Memory efficient implementations

Recent Application in this class:
#1
20260121663
2026-04-30

DECODING METHOD AND STORAGE DEVICE

#2
20260051904
2026-02-19

ERROR DETECTION

#3
20250112644
2025-04-03

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

#4
20240413841
2024-12-12

APPARATUSES AND METHODS FOR ECC PARITY BIT REDUCTION

#5
20240257893
2024-08-01

ERROR DETECTION

#6
20230327683
2023-10-12

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

#7
20230275599
2023-08-31

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

#8
20230065159
2023-03-02

Memory system

#9
20220224356
2022-07-14

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

#10
20220075723
2022-03-10

Tile based interleaving and de-interleaving for digital signal processing

#11
20210165713
2021-06-03

Memory system

#12
20210159915
2021-05-27

Polar decoder with LLR-domain computation of f-function and g-function

#13
20210058192
2021-02-25

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

#14
20200242029
2020-07-30

Tile based interleaving and de-interleaving for digital signal processing

#15
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

#16
20200052817
2020-02-13

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

#17
20190377636
2019-12-12

Memory system

#18
20190245654
2019-08-08

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

#19
20190236006
2019-08-01

Tile based interleaving and de-interleaving for digital signal processing

#20
20190199475
2019-06-27

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

#21
20190181887
2019-06-13

Techniques for fast IO and low memory consumption while using erasure codes

#22
20190087264
2019-03-21

Memory system

#23
20190028226
2019-01-24

Communication control apparatus, radio communication apparatus, communication control method, and radio communication method

#24
20180358989
2018-12-13

Non-volatile Storage Systems With Application-Aware Error-Correcting Codes

#25
20180175883
2018-06-21

Parallel pipeline logic circuit for generating CRC values utilizing lookup table

#26
20180159554
2018-06-07

Low-power low density parity check decoding

#27
20180145852
2018-05-24

Sequential decoding with stack reordering

#28
20180054278
2018-02-22

Reduced-stage polar decoding

#29
20180013446
2018-01-11

Method and system for LDPC decoding

#30
20170359148
2017-12-14

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

#31
20170359086
2017-12-14

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

#32
20170322750
2017-11-09

Systems and methods for latency based data recycling in a solid state memory system

#33
20170244427
2017-08-24

Fully parallel turbo decoding

#34
20170228166
2017-08-10

Protecting in-memory immutable objects through hybrid hardware/software-based memory fault tolerance

#35
20170220262
2017-08-03

In-memory data storage with transparent compression

#36
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

#37
20170123895
2017-05-04

Validation bits and offsets to represent logical pages split between data containers

#38
20170123893
2017-05-04

Validation bits and offsets to represent logical pages split between data containers

#39
20170077953
2017-03-16

Low-power low density parity check decoding

#40
20170052844
2017-02-23

Validation bits and offsets to represent logical pages split between data containers

#41
20170046219
2017-02-16

Systems and methods of memory bit flip identification for debugging and power management

#42
20160357485
2016-12-08

Systems and methods for latency based data recycling in a solid state memory system

#43
20160233894
2016-08-11

Reduced complexity non-binary LDPC decoding algorithm

#44
20160204802
2016-07-14

Low-power low density parity check decoding

#45
20160149596
2016-05-26

Turbo decoder with a low-power input format and associated method

#46
20160050047
2016-02-18

Reduced memory iterative baseband processing

#47
20150288384
2015-10-08

Generating molecular encoding information for data storage

#48
20150270851
2015-09-24

Low density parity check circuit

#49
20150261611
2015-09-17

Forward error correction with configurable latency

#50
20150229506
2015-08-13

Soft metrics compressing method

#51
20150212875
2015-07-30

Dynamic data density ECC

#52
20150188579
2015-07-02

EFFICIENT IMPLEMENTATION TO PERFORM ITERATIVE DECODING WITH LARGE ITERATION COUNTS

#53
20150188569
2015-07-02

System and method for multi standard programmable LDPC decoder

#54
20150143194
2015-05-21

Reduced complexity non-binary LDPC decoding algorithm

#55
20150113205
2015-04-23

Systems and methods for latency based data recycling in a solid state memory system

#56
20140325320
2014-10-30

Syndrome tables for decoding turbo-product codes

#57
20140289591
2014-09-25

Memory efficient implementation of LDPC decoder

#58
20140281797
2014-09-18

Parallel low-density parity check (LDPC) accumulation

#59
20140258806
2014-09-11

Method and device for transmitting data

#60
20140223259
2014-08-07

Memory architecture for layered low-density parity-check decoder

#61
20140201594
2014-07-17

Low-power low density parity check decoding

#62
20140189446
2014-07-03

Forward error correction with configurable latency

#63
20140122971
2014-05-01

LEH memory module architecture design in the multi-level LDPC coded iterative system

#64
20140068168
2014-03-06

Tile based interleaving and de-interleaving for digital signal processing

#65
20130339816
2013-12-19

Conserving computing resources during error correction

#66
20130311852
2013-11-21

Systems and methods for parallel dual-mode turbo decoders

#67
20130212451
2013-08-15

Reduced complexity non-binary LDPC decoding algorithm

#68
20130212450
2013-08-15

High throughput decoder architecture for low-density parity-check convolutional codes

#69
20130198591
2013-08-01

Method and apparatus for soft information transfer between constituent processor circuits in a soft-value processing apparatus

#70
20130117631
2013-05-09

Error detection and correction for external DRAM

#71
20130111305
2013-05-02

Channel decoding method and decoder for tail-biting codes

#72
20130031438
2013-01-31

Low density parity check code decoding system and method

#73
20130024745
2013-01-24

Memory-efficient LDPC decoding

#74
20130007558
2013-01-03

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

#75
20120297276
2012-11-22

Techniques for rate matching and de-rate matching

#76
20120297273
2012-11-22

Memory controller, semiconductor memory apparatus and decoding method

#77
20120284583
2012-11-08

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

#78
20120240002
2012-09-20

Method for controlling a basic parity node of a non-binary LDPC code decoder, and corresponding basic parity node processor

#79
20120221915
2012-08-30

Satellite communication system utilizing low density parity check codes

#80
20120207224
2012-08-16

Memory efficient implementation of LDPC decoder

#81
20120179947
2012-07-12

COMMUNICATION APPARATUS, COMMUNICATION METHOD AND STORAGE MEDIUM FOR FLEXIBLE ERROR CORRECTION

#82
20120144264
2012-06-07

Memory device on the fly CRC mode

#83
20120137198
2012-05-31

Low complexity decoding algorithm for tail-biting convolutional codes

#84
20120137194
2012-05-31

Forward error correction with configurable latency

#85
20120072800
2012-03-22

Techniques for successive refinement of metrics stored for HARQ combining

#86
20120066562
2012-03-15

Increasing hybrid automatic repeat request (HARQ) throughput

#87
20120054579
2012-03-01

Data rearrangement for decoder

#88
20120030544
2012-02-02

Accessing Memory for Data Decoding

#89
20110320913
2011-12-29

Reliability support in memory systems without error correcting code support

#90
20110271166
2011-11-03

Pipeline architecture for maximum a posteriori (MAP) decoders

#91
20110219286
2011-09-08

Decoding device, data communication apparatus having the decoder device, and data memory

#92
20110202817
2011-08-18

NODE INFORMATION STORAGE METHOD AND SYSTEM FOR A LOW-DENSITY PARITY-CHECK DECODER

#93
20110202816
2011-08-18

Distributed processing LDPC (low density parity check) decoder

#94
20110138248
2011-06-09

Method for arranging memories of low-complexity LDPC decoder and low-complexity LDPC decoder using the same

#95
20110126076
2011-05-26

Satellite communication system utilizing low density parity check codes

#96
20110107173
2011-05-05

Apparatus and method for generating a parity check matrix in a communication system using linear block codes, and a transmission/reception apparatus and method using the same

#97
20110078537
2011-03-31

Error detection and correction for external DRAM

#98
20110075615
2011-03-31

Recursive realization of polynomial permutation interleaving

#99
20110072334
2011-03-24

Systematic encoder with arbitrary parity positions

#100
20110066917
2011-03-17

Method and apparatus for elementary updating a check node during decoding of a block encoded with a non-binary LDPC code

#101
20110060972
2011-03-10

Decoding method for tail-biting convolutional codes using a search depth viterbi algorithm

#102
20110035646
2011-02-10

Nonvolatile random access memory and nonvolatile memory system

#103
20110022929
2011-01-27

Error correcting apparatus, method of controlling memory of error correcting apparatus, and optical disc recording/reproducing apparatus

#104
20110022926
2011-01-27

Memory-efficient storage method: a fast BJCR based decoder implementation scheme

#105
20100325525
2010-12-23

Soft output viterbi decoder architecture

#106
20100278287
2010-11-04

List Output Viterbi Deconder with Blockwise ACS and Traceback

#107
20100251063
2010-09-30

Decoding device, data storage device, data communication system, and decoding method

#108
20100192046
2010-07-29

CHANNEL ENCODING

#109
20100153819
2010-06-17

Decoding Method and System for Low-Density Parity Check Code

#110
20100153810
2010-06-17

Decoding device and receiving device

#111
20100138721
2010-06-03

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

#112
20100122142
2010-05-13

Scalable decoder architecture for low density parity check codes

#113
20100095191
2010-04-15

Method and apparatus for deinterleaving in a digital communication system

#114
20100070833
2010-03-18

Arithmetic circuit for concatenated codes and address control method

#115
20100005221
2010-01-07

Address generation for multiple access of memory

#116
20090319858
2009-12-24

Reduced complexity LDPC decoder

#117
20090285320
2009-11-19

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#118
20090282316
2009-11-12

Memory Access in Low-Density Parity Check Decoders

#119
20090249171
2009-10-01

TURBO DECODER, BASE STATION AND DECODING METHOD

#120
20090249159
2009-10-01

LDPC encoder and decoder and LDPC encoding and decoding methods

#121
20090221318
2009-09-03

Method of de-interleaving interleaved data samples sequences, and associated system

#122
20090217127
2009-08-27

Turbo decoding apparatus and method

#123
20090217121
2009-08-27

Decoding apparatus and decoding method

#124
20090207946
2009-08-20

Grouping bits interleaving apparatus and method thereof

#125
20090204772
2009-08-13

Memory depth optimization in communications systems with ensemble PHY layer requirements

#126
20090177940
2009-07-09

Apparatus and method for error correction in mobile wireless applications incorporating erasure table data

#127
20090172502
2009-07-02

Method and apparatus for turbo code decoding

#128
20090172493
2009-07-02

METHOD AND DEVICE FOR DECODING LOW DENSITY PARITY CHECK CODE

#129
20090132872
2009-05-21

Method and application for generating interleaver or de-interleaver

#130
20090103653
2009-04-23

State metrics memory reduction in a turbo decoder implementation

#131
20090083514
2009-03-26

APPARATUS AND METHOD FOR BLOCK INTERLEAVING IN MOBILE COMMUNICATION SYSTEM

#132
20090077451
2009-03-19

Method and apparatus for implementing decode operations in a data processor

#133
20090013237
2009-01-08

Distributed processing LDPC (low density parity check) decoder

#134
20080307294
2008-12-11

Efficient implementation to perform iterative decoding with large iteration counts

#135
20080298394
2008-12-04

Compact MPE-FEC erasure location cache memory for DVB-H receiver

#136
20080294960
2008-11-27

Memory-efficient LDPC decoder and method

#137
20080192865
2008-08-14

Addressing strategy for Viterbi metric computation

#138
20080184067
2008-07-31

Raid system and data recovery apparatus using galois field

#139
20080130784
2008-06-05

Coding device, decoding device, transmitter and receiver

#140
20080126917
2008-05-29

Data processing systems and methods for processing digital data with low density parity check matrix

#141
20080092011
2008-04-17

Turbo decoding apparatus

#142
20080082868
2008-04-03

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

#143
20080072128
2008-03-20

Distributed ring control circuits for Viterbi traceback

#144
20080065966
2008-03-13

Methods and apparatus for improved error and erasure correction in a Reed-Solomon date channel

#145
20080052596
2008-02-28

Method and device for decoding blocks encoded with an LDPC code

#146
20080043878
2008-02-21

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#147
20080028282
2008-01-31

RECEIVER ARCHITECTURE HAVING A LDPC DECODER WITH AN IMPROVED LLR UPDATE METHOD FOR MEMORY REDUCTION

#148
20080028272
2008-01-31

Method and apparatus for performing low-density parity-check (LDPC) code operations using a multi-level permutation

#149
20080022185
2008-01-24

Remainder calculating apparatus for cyclic redundancy check

#150
20070288832
2007-12-13

Device and method for receiving digital signal transmitted using OFDM method

#151
20070245209
2007-10-18

Decoding method for tail-biting convolutional codes using a search depth viterbi algorithm

#152
20070223629
2007-09-27

Viterbi pack instruction

#153
20070220407
2007-09-20

Methods and apparatuses for generating parity symbols for data block

#154
20070204197
2007-08-30

Decoding device, control method, and program

#155
20070201586
2007-08-30

MULTI-RATE VITERBI DECODER

#156
20070198899
2007-08-23

LOW COMPLEXITY CHANNEL DECODERS

#157
20070180352
2007-08-02

Memory system and method for use in trellis-based decoding

#158
20070168828
2007-07-19

Decompressing method and device for matrices

#159
20070118791
2007-05-24

Pipeline architecture for maximum a posteriori (MAP) decoders

#160
20070094565
2007-04-26

Decoding of multiple data streams encoded using a block coding algorithm

#161
20070008855
2007-01-11

Iterative stripewise trellis-based symbol detection method and device for multi-dimensional recording systems

#162
20060280254
2006-12-14

In-place transformations with applications to encoding and decoding various classes of codes

#163
20060268726
2006-11-30

Buffering of data from a data stream having error correction elements

#164
20060259263
2006-11-16

Method and apparatus for calibrating data-dependent noise prediction

#165
20060251184
2006-11-09

Parallel concatenated code with soft-in-soft-out interactive turbo decoder

#166
20060245526
2006-11-02

Apparatus and method for Viterbi decoding

#167
20060242093
2006-10-26

Methods and apparatus for decoding LDPC codes

#168
20060236214
2006-10-19

Method and apparatus for implementing decode operations in a data processor

#169
20060236194
2006-10-19

Decomposer for parallel turbo decoding, process and integrated circuit

#170
20060227691
2006-10-12

Iterative stripwise trellis-based symbol detection method and device for multi-dimensional recording systems

#171
20060107163
2006-05-18

Turbo decoding apparatus and interleave-deinterleave apparatus

#172
20060090120
2006-04-27

Puncturing/depuncturing using compressed differential puncturing pattern

#173
20060085730
2006-04-20

Distributed ring control circuits for Viterbi traceback

#174
20060075273
2006-04-06

Efficient backward recursion for computing posterior probabilities

#175
20060020875
2006-01-26

Multi-rate viterbi decoder

#176
20060005111
2006-01-05

Pipeline architecture for maximum a posteriori (MAP) decoders

#177
20050278606
2005-12-15

Methods and apparatus for decoding LDPC codes

#178
20050265491
2005-12-01

Add-compare-select-offset device and method in a decoder

#179
20050262424
2005-11-24

Efficient design to implement LDPC (Low Density Parity Check) decoder

#180
20050258987
2005-11-24

Method and apparatus for performing low-density parity-check (LDPC) code operations using a multi-level permutation

#181
20050257123
2005-11-17

Memory management algorithm for trellis decoders

#182
20050240853
2005-10-27

Decoding apparatus, decoding method, and program to decode low density parity check codes

#183
20050180288
2005-08-18

Method and apparatus for calibrating data-dependent noise prediction

#184
20050177782
2005-08-11

Method and arrangement for enhancing search through trellis

#185
20050172200
2005-08-04

Turbo-code decoding using variably set learning interval and sliding window

#186
20050166129
2005-07-28

Error control apparatus

#187
20050163195
2005-07-28

Method for determining signal quality of simultaneously received multiple channels of data

#188
20050157824
2005-07-21

Decoding apparatus, decoding method, data-receiving apparatus and data-receiving method

#189
20050149832
2005-07-07

Methods and apparatus for coding and decoding data using Reed-Solomon codes

#190
20050141652
2005-06-30

Method of de-interleaving interleaved data samples sequences, and associated system

#191
20050138530
2005-06-23

Data compression with incremental redundancy

#192
20050138519
2005-06-23

LDPC decoder, corresponding method, system and computer program

#193
20050110663
2005-05-26

Method to efficiently generate the row and column index for half rate interleaver in GSM

#194
20050094749
2005-05-05

Non-binary viterbi data processing system and method

#195
20050089121
2005-04-28

Configurable architecture and its implementation of viterbi decorder

#196
20050063484
2005-03-24

Satellite communication system utilizing low density parity check codes

#197
20050044468
2005-02-24

Signal processing method and signal processing circuit

#198
20050022090
2005-01-27

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#199
20050021555
2005-01-27

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#200
20050015705
2005-01-20

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#201
20050005231
2005-01-06

Method and system for generating parallel decodable low density parity check (LDPC) codes