ClassID:

222945

H03M13/6566 - 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 Implementations concerning memory access contentions

Recent Application in this class:
#1
20250274144
2025-08-28

DECODER SCHEME CAPABLE OF REDUCING FREQUENCY OF MEMORY READING AND WRITING DURING ITERATIVE DECODING PROCEDURE

#2
20250062781
2025-02-20

COMMUNICATON DEVICE WITH LOW DENSITY PARITY CHECK ROTATOR, AND METHOD THEREFOR

#3
20220066949
2022-03-03

Codeword rotation for zone grouping of media codewords

#4
20210089389
2021-03-25

Tiered error correction code (ECC) operations in memory

#5
20200364155
2020-11-19

Codeword rotation for zone grouping of media codewords

#6
20200358456
2020-11-12

Decoder for low-density parity-check codes

#7
20200295788
2020-09-17

Nonvolatile memory device and read and copy-back methods thereof

#8
20200036392
2020-01-30

Adaptive read retry optimization

#9
20190278654
2019-09-12

Tiered error correction code (ECC) operations in memory

#10
20190243706
2019-08-08

Accommodating variable page sizes in solid-state drives using customized error correction

#11
20190207628
2019-07-04

LDPC performance improvement using SBE-LBD decoding method and LBD collision reduction

#12
20190173493
2019-06-06

Decoding method and decoding system for a parity check code

#13
20190109601
2019-04-11

Decoder for low-density parity-check codes

#14
20190074850
2019-03-07

Permutation network designing method, and permutation circuit of QC-LDPC decoder

#15
20190073261
2019-03-07

Memory device error check and scrub mode and error transparency

#16
20190026025
2019-01-24

Multi-phase dispersed storage write process

#17
20180331692
2018-11-15

Error correcting code testing

#18
20180287636
2018-10-04

Determining codebooks for different memory areas of a storage device

#19
20180287634
2018-10-04

Use of multiple codebooks for programming data in different memory areas of a storage device

#20
20180287632
2018-10-04

Bit-order modification for different memory areas of a storage device

#21
20180267851
2018-09-20

Tiered error correction code (ECC) operations in memory

#22
20180225044
2018-08-09

Dispersed storage write process with lock/persist

#23
20180159560
2018-06-07

ECC and read adjustment based on dynamic memory error model estimation

#24
20180138924
2018-05-17

Scheduling method of a parity check matrix and an LDPC decoder for performing scheduling of a parity check matrix

#25
20180076833
2018-03-15

Information processing device and host device

#26
20180076828
2018-03-15

Storage device that inverts bits of data written into a nonvolatile memory thereof

#27
20180048328
2018-02-15

LDPC performance improvement using SBE-LBD decoding method and LBD collision reduction

#28
20180041766
2018-02-08

Lossless pixel compression for random video memory access

#29
20170359084
2017-12-14

Semiconductor devices and semiconductor systems

#30
20170329667
2017-11-16

Nonvolatile memory device and read and copy-back methods thereof

#31
20170317691
2017-11-02

HARDWARE-ASSISTED PROTECTION FOR SYNCHRONOUS INPUT/OUTPUT

#32
20170272101
2017-09-21

Memory system and operating method thereof

#33
20170255510
2017-09-07

SYSTEM AND METHOD FOR REGENERATING CODES FOR A DISTRIBUTED STORAGE SYSTEM

#34
20170230058
2017-08-10

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

#35
20170201274
2017-07-13

SECURE MESSAGE DELIVERY IN A DISPERSED STORAGE NETWORK

#36
20170199786
2017-07-13

Assigning redundancy in encoding data onto crossbar memory arrays

#37
20170154405
2017-06-01

Memory-aware matrix factorization

#38
20170154404
2017-06-01

Memory-aware matrix factorization

#39
20170134049
2017-05-11

DECODING METHOD, MEMORY STORAGE DEVICE AND MEMORY CONTROL CIRCUIT UNIT

#40
20170132072
2017-05-11

Semiconductor device

#41
20170115885
2017-04-27

Self-addressing memory

#42
20170070240
2017-03-09

MEMORY SYSTEM INCLUDING ERROR CORRECTOR AND OPERATING METHOD THEREOF

#43
20170063394
2017-03-02

Memory device on-die error checking and correcting code

#44
20170060681
2017-03-02

Memory device error check and scrub mode and error transparency

#45
20170060680
2017-03-02

Memory device check bit read mode

#46
20170012643
2017-01-12

Low density parity check decoding method performing on general graphic processing unit and decoding apparatus

#47
20160371809
2016-12-22

Memory-aware matrix factorization

#48
20160149596
2016-05-26

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

#49
20160124802
2016-05-05

Memory corruption detection

#50
20160070499
2016-03-10

Configuring circuitry with memory access constraints for a program

#51
20160070498
2016-03-10

Memory system configured to avoid memory access hazards for LDPC decoding

#52
20160070485
2016-03-10

Self-addressing memory

#53
20160020786
2016-01-21

Decoder and decoding method thereof for min-sum algorithm low density parity-check code

#54
20160020785
2016-01-21

Low density parity-check code decoder and decoding method thereof

#55
20160006457
2016-01-07

Codes of length tn invariant under rotations of order n

#56
20150293811
2015-10-15

Decoding method, memory storage device and memory controlling circuit unit

#57
20150270852
2015-09-24

Method of programming memory device and method of reading data of memory device including the same

#58
20150236716
2015-08-20

Memory system and method of controlling memory system

#59
20150212875
2015-07-30

Dynamic data density ECC

#60
20150067440
2015-03-05

Decoder for low-density parity-check codes

#61
20140365847
2014-12-11

SYSTEMS AND METHODS FOR ERROR CORRECTION AND DECODING ON MULTI-LEVEL PHYSICAL MEDIA

#62
20140331102
2014-11-06

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

#63
20140223259
2014-08-07

Memory architecture for layered low-density parity-check decoder

#64
20140136928
2014-05-15

Programming a non-volatile memory (NVM) system having error correction code (ECC)

#65
20140130061
2014-05-08

System and method for check-node unit message processing

#66
20140108895
2014-04-17

Error correction code circuit and memory device including the same

#67
20140040700
2014-02-06

Multicore type error correction processing system and error correction processing apparatus

#68
20130219242
2013-08-22

Multi-processing architecture for an LTE turbo decoder (TD)

#69
20130117631
2013-05-09

Error detection and correction for external DRAM

#70
20120311408
2012-12-06

Nonvolatile memory, memory controller, nonvolatile memory accessing method, and program

#71
20120240003
2012-09-20

Method, apparatus, computer program product and device providing semi-parallel low density parity check decoding using a block structured parity check matrix

#72
20120166742
2012-06-28

System and method for contention-free memory access

#73
20120131410
2012-05-24

Error correction code decoding device

#74
20120079340
2012-03-29

Communications system employing local and global interleaving/de-interleaving

#75
20120066566
2012-03-15

Accessing memory during parallel turbo decoding

#76
20120054579
2012-03-01

Data rearrangement for decoder

#77
20120054578
2012-03-01

Formulaic flexible collision-free memory accessing for parallel turbo decoding with quadratic polynomial permutation (QPP) interleave

#78
20120030544
2012-02-02

Accessing Memory for Data Decoding

#79
20110320913
2011-12-29

Reliability support in memory systems without error correcting code support

#80
20110283161
2011-11-17

Multi-code LDPC (low density parity check) decoder

#81
20110283158
2011-11-17

Apparatus and method for layered decoding in a communication system using low-density parity-check codes

#82
20110280185
2011-11-17

Method and apparatus for parallel de-interleaving of LTE interleaved data

#83
20110219286
2011-09-08

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

#84
20110197104
2011-08-11

Method and apparatus for encoding and decoding data

#85
20110161782
2011-06-30

N-way parallel turbo decoder architecture

#86
20110138248
2011-06-09

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

#87
20110078542
2011-03-31

Turbo decoding device and communication device

#88
20110078537
2011-03-31

Error detection and correction for external DRAM

#89
20110078360
2011-03-31

Data handling system comprising memory banks and data rearrangement

#90
20100318755
2010-12-16

Reduced contention storage for channel coding

#91
20100287437
2010-11-11

Fast encoding and decoding methods and related devices

#92
20100287343
2010-11-11

Contention free parallel access system and a method for contention free parallel access to a group of memory banks

#93
20100269020
2010-10-21

LDPC decoder and method for LDPC decoding based on layered algorithm applied to parity check matrix

#94
20100251059
2010-09-30

Shuffled LDPC decoding

#95
20100211856
2010-08-19

Systems and methods for error correction and decoding on multi-level physical media

#96
20100185913
2010-07-22

METHOD FOR DECODING LDPC CODE AND THE CIRCUIT THEREOF

#97
20100122143
2010-05-13

METHOD AND SYSTEM FOR PROVIDING LOW DENSITY PARITY CHECK (LDPC) CODING FOR SCRAMBLED CODED MULTIPLE ACCESS (SCMA)

#98
20100005221
2010-01-07

Address generation for multiple access of memory

#99
20090300470
2009-12-03

Memory architecture for high throughput RS decoding for MediaFLO receivers

#100
20090282316
2009-11-12

Memory Access in Low-Density Parity Check Decoders

#101
20090276682
2009-11-05

Turbo LDPC decoding

#102
20090249134
2009-10-01

De-interleaving mechanism involving a multi-banked LLR buffer

#103
20090245435
2009-10-01

Architecture to handle concurrent multiple channels

#104
20090217121
2009-08-27

Decoding apparatus and decoding method

#105
20090160686
2009-06-25

Apparatus of multi-stage network for iterative decoding and method thereof

#106
20090158131
2009-06-18

VITERBI DECODING APPARATUS AND METHOD

#107
20090113276
2009-04-30

Method, apparatus, computer program product and device providing semi-parallel low density parity check decoding using a block structured parity check matrix

#108
20090113256
2009-04-30

Method, computer program product, apparatus and device providing scalable structured high throughput LDPC decoding

#109
20090103636
2009-04-23

Apparatus and method for decoding low density parity check coded signals

#110
20090013238
2009-01-08

Multi-code LDPC (low density parity check) decoder

#111
20080301383
2008-12-04

Multiple access for parallel turbo decoder

#112
20080270868
2008-10-30

Decoding apparatus

#113
20080263425
2008-10-23

Turbo LDPC decoding

#114
20080244366
2008-10-02

Adaptable channel compensation for reliable communication over fading communication links

#115
20080222372
2008-09-11

Turbo decoder

#116
20080172591
2008-07-17

Formulaic flexible collision-free memory accessing for parallel turbo decoding with quadratic polynomial permutation (QPP) interleave

#117
20080172590
2008-07-17

Quadratic polynomial permutation (QPP) interleaver providing hardware savings and flexible granularity adaptable to any possible turbo code block size

#118
20080133998
2008-06-05

Method and apparatus for encoding and decoding data

#119
20080126914
2008-05-29

Turbo decoder and turbo decoding method

#120
20080092010
2008-04-17

Error correction code decoding device

#121
20080091986
2008-04-17

Method and apparatus for encoding and decoding data

#122
20080077843
2008-03-27

Apparatus and method for decoding using channel code

#123
20080052596
2008-02-28

Method and device for decoding blocks encoded with an LDPC code

#124
20080052595
2008-02-28

Methods and apparatus for low-density parity check decoding using hardware-sharing and serial sum-product architecture

#125
20080049869
2008-02-28

Method and device for layered decoding of a succession of blocks encoded with an LDPC code

#126
20070234180
2007-10-04

High spread highly randomized generatable interleavers

#127
20070220398
2007-09-20

LDPC decoding apparatus and method based on node memory

#128
20070204197
2007-08-30

Decoding device, control method, and program

#129
20070157062
2007-07-05

Implementation of LDPC (low density parity check) decoder by sweeping through sub-matrices

#130
20070157061
2007-07-05

Sub-matrix-based implementation of LDPC (Low Density Parity Check) decoder

#131
20070094565
2007-04-26

Decoding of multiple data streams encoded using a block coding algorithm

#132
20070089020
2007-04-19

Block processing in a block decoding device

#133
20070067704
2007-03-22

Deinterleaver and dual-viterbi decoder architecture

#134
20070011566
2007-01-11

Clash-free irregular-repeat-accumulate code

#135
20060294446
2006-12-28

Techniques for reconfigurable decoder for a wireless system

#136
20060271751
2006-11-30

Convolutional interleaver/de-interleaver

#137
20060242093
2006-10-26

Methods and apparatus for decoding LDPC codes

#138
20060236194
2006-10-19

Decomposer for parallel turbo decoding, process and integrated circuit

#139
20060236192
2006-10-19

Adaptable channel compensation for reliable communication over fading communication links

#140
20060206779
2006-09-14

Method and device for decoding DVB-S2 LDPC encoded codewords

#141
20060206778
2006-09-14

LDPC decoder for DVB-S2 decoding

#142
20060195770
2006-08-31

System and method for multi-mode multi-state path metric addressing

#143
20060195766
2006-08-31

Semiconductor memory device

#144
20060184863
2006-08-17

Memory device for use in high-speed block pipelined reed-solomon decoder, method of accessing the memory device, and reed-solomon decoder having the memory device

#145
20060050678
2006-03-09

Block de-interleaving system

#146
20050281111
2005-12-22

LDPC decoder

#147
20050278606
2005-12-15

Methods and apparatus for decoding LDPC codes

#148
20050278604
2005-12-15

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

#149
20050262420
2005-11-24

Apparatus and method for decoding low density parity check codes

#150
20050240853
2005-10-27

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

#151
20050204262
2005-09-15

Electronic device for reducing interleaving write access conflicts in optimized concurrent interleaving architecture for high throughput turbo decoding

#152
20050190736
2005-09-01

Method and device for handling write access conflicts in interleaving for high throughput turbo-decoding

#153
20050138519
2005-06-23

LDPC decoder, corresponding method, system and computer program

#154
20050091567
2005-04-28

High spread highly randomized generatable interleavers

#155
20050050428
2005-03-03

Interleaver and device for decoding digital signals comprising such an interleaver

#156
18243599
2025-11-11

Polar codes for error correction in non-volatile memory devices

#157
17834219
2023-09-19

Extendable parity code matrix construction and utilization in a data storage device

#158
15491453
2019-11-05

Adaptive read retry optimization

#159
15442744
2018-06-12

Method for using write intents in a distributed storage network

#160
15283263
2018-08-28

Writing copies of objects in enterprise object storage systems