ClassID:

222708

H03M13/033 - 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

Sub-classes:
Recent Application in this class:
#1
20250181959
2025-06-05

MAGIC STATE FACTORY CONSTRUCTIONS FOR PRODUCING CCZ AND T STATES

#2
20250015933
2025-01-09

POLAR CODE ENCODING METHOD, POLAR CODE DECODING METHOD, AND APPARATUSES THEREOF

#3
20240421831
2024-12-19

TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, AND RECEPTION METHOD

#4
20240223212
2024-07-04

SYSTEM AND METHOD FOR GENERATION OF ERROR-CORRECTING CODES IN COMMUNICATION SYSTEMS

#5
20240127103
2024-04-18

Magic state factory constructions for producing CCZ and T states

#6
20240048157
2024-02-08

Encoding method, decoding method, electronic device and storage medium

#7
20230124664
2023-04-20

Polar code encoding method, polar code decoding method, and apparatuses thereof

#8
20220255558
2022-08-11

Data error correction method, apparatus, device, and readable storage medium

#9
20220103189
2022-03-31

Encoding method and device, and apparatus

#10
20220029625
2022-01-27

Magic state factory constructions for producing CCZ and T states

#11
20210306096
2021-09-30

Enhanced polarization weighting to enable scalability in polar code bit distribution

#12
20210194504
2021-06-24

ENCODING METHOD AND DEVICE, AND APPARATUS

#13
20200412388
2020-12-31

Residue checking of entire normalizer output of an extended result

#14
20200412383
2020-12-31

Method for transmitting additional information by using linear block codes

#15
20200195378
2020-06-18

Enhanced polarization weighting to enable scalability in polar code bit distribution

#16
20200195279
2020-06-18

Device and method for generating a multi-kernel polar code

#17
20190386685
2019-12-19

Magic state distillation with low space overhead and asymptotic input count

#18
20190305799
2019-10-03

Apparatus and method for generating polar codes

#19
20190245560
2019-08-08

Enhanced polar code construction

#20
20190188087
2019-06-20

Joint de-duplication-erasure coded distributed storage

#21
20190173496
2019-06-06

Coding and decoding of polar codes extended to lengths which are not powers of two

#22
20190165814
2019-05-30

Construction method for (n,n(n-1),n-1) permutation group code based on coset partition and codebook generator thereof

#23
20190165813
2019-05-30

Encoding method and device, and apparatus

#24
20190097657
2019-03-28

QC-LDPC coding methods and apparatus

#25
20190089381
2019-03-21

Gel codeword structure encoding and decoding method, apparatus, and related device

#26
20190081731
2019-03-14

Devices and methods implementing polar codes

#27
20180351573
2018-12-06

Error estimation in signal communications

#28
20180343018
2018-11-29

Error correcting code for correcting single symbol errors and detecting double bit errors

#29
20180331698
2018-11-15

Shift-coefficient table design of QC-LDPC code for smaller code block sizes in mobile communications

#30
20180323905
2018-11-08

Enhanced polarization weighting to enable scalability in polar code bit distribution

#31
20180309462
2018-10-25

Non-orthogonal multiple access data transmission method and transmission device

#32
20180278389
2018-09-27

Methods and apparatus for coding sub-channel selection

#33
20180269906
2018-09-20

Magic state distillation with low space overhead and asymptotic input count

#34
20180248655
2018-08-30

Method to generate ordered sequence for polar codes

#35
20180248654
2018-08-30

Apparatus and methods of specifying ordered sequences of coding sub-channels

#36
20180241414
2018-08-23

Method and device for determining features of error correcting code system

#37
20180032395
2018-02-01

Erasure correcting coding using temporary erasure data

#38
20180018235
2018-01-18

Joint de-duplication-erasure coded distributed storage

#39
20170255519
2017-09-07

Erasure correcting coding using data subsets and partial parity symbols

#40
20170141796
2017-05-18

System and method of belief propagation decoding

#41
20170134047
2017-05-11

Coding method, decoding method, coder, and decoder

#42
20170104552
2017-04-13

Near optimal forward error correction system and method

#43
20160105202
2016-04-14

Coding and decoding methods and apparatus

#44
20160006457
2016-01-07

Codes of length tn invariant under rotations of order n

#45
20150341051
2015-11-26

Coding method, decoding method, coder, and decoder

#46
20150155884
2015-06-04

Method of and apparatus for generating spatially-coupled low-density parity-check code

#47
20150019930
2015-01-15

Apparatus and method for designing quantum code

#48
20140379858
2014-12-25

Network coding using an outer coding process

#49
20140317222
2014-10-23

Data storage method, device and distributed network storage system

#50
20140223254
2014-08-07

QC-LDPC convolutional codes enabling low power trellis-based decoders

#51
20140208185
2014-07-24

Rate adaptive irregular QC-LDPC codes from pairwise balanced designs for ultra-high-speed optical transports

#52
20140133848
2014-05-15

Adaptively coding and modulating signals transmitted via nonlinear channels

#53
20140122961
2014-05-01

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

#54
20140059409
2014-02-27

System and method having optimal, systematic -ary codes for correcting all asymmetric and symmetric errors of limited magnitude

#55
20140013180
2014-01-09

Coding method and coding device

#56
20130283115
2013-10-24

Data processing apparatus using implicit data storage data storage and method of implicit data storage

#57
20130227378
2013-08-29

Data processing device and data processing method

#58
20130212452
2013-08-15

Apparatus and method for comparing pairs of binary words

#59
20130212441
2013-08-15

System and method for signature-based redundancy comparison

#60
20130205181
2013-08-08

Partial-maximum distance separable (PMDS) erasure correcting codes for storage arrays

#61
20130205168
2013-08-08

Partial-maximum distance separable (PMDS) erasure correcting codes for storage arrays

#62
20130179756
2013-07-11

Selective merge and partial reuse LDPC (low density parity check) code construction for limited number of layers belief propagation (BP) decoding

#63
20130139024
2013-05-30

High order modulation protograph codes

#64
20130091402
2013-04-11

Strong single and multiple error correcting WOM codes, coding methods and devices

#65
20130086455
2013-04-04

Method and apparatus of QC-LDPC convolutional coding and low-power high throughput QC-LDPC convolutional encoder and decoder

#66
20130055050
2013-02-28

Error correction encoding apparatus, error correction decoding apparatus, nonvolatile semiconductor memory system, and parity check matrix generation method

#67
20130031446
2013-01-31

Coding device, error-correction code configuration method, and program thereof

#68
20120331369
2012-12-27

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

#69
20120278689
2012-11-01

MDS array codes with optimal building

#70
20120254700
2012-10-04

Mechanisms and techniques for providing cache tags in dynamic random access memory

#71
20120246547
2012-09-27

High rate locally decodable codes

#72
20120240001
2012-09-20

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

#73
20120185745
2012-07-19

Multi-CSI (cyclic shifted identity) sub-matrix based LDPC (low density parity check) codes

#74
20120166917
2012-06-28

SYSTEM AND METHOD FOR PROVIDING H-ARQ RATE COMPATIBLE CODES FOR HIGH THROUGHPUT APPLICATIONS

#75
20120131409
2012-05-24

Rate-compatible protograph LDPC code families with linear minimum distance

#76
20120084625
2012-04-05

Apparatus and method for decoding LDPC codes in a communications system

#77
20120084617
2012-04-05

Modified progressive edge-growth LDPC codes for ultra-high-speed serial optical transport

#78
20120068864
2012-03-22

Method and apparatus for encoding based on a linear block code

#79
20120057648
2012-03-08

Method for encoding data with at least two encoding steps, and at least one permutation step, corresponding encoding device, computer program and signal

#80
20120056764
2012-03-08

System and method for preserving neighborhoods in codes

#81
20120002730
2012-01-05

DTV transmitting system and method of processing broadcast data therein

#82
20110320904
2011-12-29

System and method having optimal, systematic q-ary codes for correcting all asymmetric and symmetric errors of limited magnitude

#83
20110307754
2011-12-15

Family of LDPC codes for video broadcasting applications

#84
20110289375
2011-11-24

METHOD FOR CONSTRUCTING AN LDPC CODE, TRANSMITTER, AND RECEIVER

#85
20110276860
2011-11-10

Method and apparatus for demultiplexer design for multi-edge type LDPC coded modulation

#86
20110276855
2011-11-10

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

#87
20110239077
2011-09-29

Method for constructing checking matrix of LDPC code and coding amd decoding apparatus utilizing the method

#88
20110161771
2011-06-30

Method and apparatus for providing resource unit based data block partition

#89
20110119559
2011-05-19

Error detecting/correcting code generating circuit and method of controlling the same

#90
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

#91
20110099451
2011-04-28

Error control coding for single error correction and double error detection

#92
20110066916
2011-03-17

System and method for structured LDPC code family

#93
20110047433
2011-02-24

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

#94
20110043391
2011-02-24

Method and apparatus of generating codewords in wireless communication system

#95
20110043390
2011-02-24

Encoding and decoding methods using generalized concatenated codes (GCC)

#96
20110035642
2011-02-10

Secure transmission with error correcting code

#97
20110029843
2011-02-03

Cycle slip detection and correction

#98
20110029835
2011-02-03

Systems and methods for quasi-cyclic LDPC code production and decoding

#99
20110010605
2011-01-13

Method for transmitting a binary information word

#100
20100295710
2010-11-25

Method and apparatus for encoding based on a linear block code

#101
20100287457
2010-11-11

Apparatus for appending cyclic redundancy check in communication system

#102
20100281335
2010-11-04

Communication device architecture for in-place constructed LDPC (low density parity check) code

#103
20100281330
2010-11-04

Low complexity communication device employing in-place constructed LDPC (low density parity check) code

#104
20100275093
2010-10-28

Secure communication using error correction codes

#105
20100272189
2010-10-28

DTV receiving system and method of processing broadcast data therein

#106
20100269019
2010-10-21

Data processing apparatus and data processing method

#107
20100257425
2010-10-07

Systems and methods for constructing the base matrix of quasi-cyclic low-density parity-check codes

#108
20100251070
2010-09-30

Method for assigning and utilizing forward error correcting (FEC) codes

#109
20100251064
2010-09-30

LDPC codes robust to non-stationary narrowband ingress noise

#110
20100235709
2010-09-16

Systems and methods for providing unequal error protection code design from probabilistically fixed composition codes

#111
20100180175
2010-07-15

Method for constructing LDPC code in the mobile digital multimedia broadcast system

#112
20100162087
2010-06-24

Method of detecting and correcting a prescribed set of error events based on error detecting code

#113
20100153823
2010-06-17

Coding method and coding device

#114
20100138717
2010-06-03

FORK CODES FOR ERASURE CODING OF DATA BLOCKS

#115
20100115371
2010-05-06

Selective merge and partial reuse LDPC (Low Density Parity Check) code construction for limited number of layers Belief Propagation (BP) decoding

#116
20100077277
2010-03-25

Multi-CSI (Cyclic Shifted Identity) sub-matrix based LDPC (Low Density Parity Check) codes

#117
20100058139
2010-03-04

Method for constructing large-girth quasi-cyclic low-density parity-check codes

#118
20100020894
2010-01-28

Method for generating codeword in wireless communication system

#119
20090287981
2009-11-19

Construction of parity-check matrices for non-binarys LDPC codes

#120
20090228771
2009-09-10

Multi-rate LDPC code system and method

#121
20090220020
2009-09-03

Optimal encoder and encoding method for dual stream system

#122
20090217139
2009-08-27

Generation of Golay-based systematic block code supporting various sizes

#123
20090210767
2009-08-20

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

#124
20090183047
2009-07-16

Method for Generating Ldpc Codes and Apparatus Using Ldpc Codes

#125
20090175361
2009-07-09

Channel coding method of variable length information using block code

#126
20090168801
2009-07-02

BUTTERFLY NETWORK FOR PERMUTATION OR DE-PERMUTATION UTILIZED BY CHANNEL ALGORITHM

#127
20090164863
2009-06-25

Method of encoding and decoding using low density parity check matrix

#128
20090164762
2009-06-25

Optimizing XOR-based codes

#129
20090158116
2009-06-18

Apparatus and method for generating low density parity check codes for sequential decoding algorithm

#130
20090132895
2009-05-21

Error correcting codes for rank modulation

#131
20090089744
2009-04-02

Method and apparatus for generating error-correcting and error-detecting codes using zero-divisors and units in group rings

#132
20090040081
2009-02-12

Encoding and decoding methods using generalized concatenated codes (GCC)

#133
20090019334
2009-01-15

ERROR CORRECTION SYSTEM USING CONCATENATED CODES

#134
20090019333
2009-01-15

Generation of parity-check matrices

#135
20090006906
2009-01-01

Method and system for encoding data using rate-compatible irregular LDPC codes based on edge growth and parity splitting

#136
20080294969
2008-11-27

Rate-compatible protograph LDPC code families with linear minimum distance

#137
20080270877
2008-10-30

Method of encoding and decoding using low density parity check code

#138
20080270867
2008-10-30

Method of encoding and decoding using LDPC code and apparatus thereof

#139
20080250305
2008-10-09

Method for generating non-binary structured low density parity check code

#140
20080184084
2008-07-31

Check Matrix Generating Apparatus and Communication Apparatus

#141
20080168324
2008-07-10

Basic matrix based on irregular LDPC, codec and generation method thereof

#142
20080140987
2008-06-12

System and method for context-independent codes for off-chip interconnects

#143
20080109708
2008-05-08

Apparatus and method for signal transmission/reception in a communication system

#144
20080069147
2008-03-20

DTV receiving system and method of processing broadcast data therein

#145
20080059869
2008-03-06

LOW COST, HIGH PERFORMANCE ERROR DETECTION AND CORRECTION

#146
20080028271
2008-01-31

METHOD FOR GENERATING LDPC CODE FOR A LDPC BASED TDS-OFDM SYSTEM

#147
20080016433
2008-01-17

Structured puncturing of irregular low-density parity-check (LDPC) codes

#148
20080013602
2008-01-17

Method and apparatus for generating codewords

#149
20080008270
2008-01-10

Code design method for repeat-zigzag Hadamard codes

#150
20070283229
2007-12-06

Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code

#151
20070255849
2007-11-01

Network for permutation or de-permutation utilized by channel coding algorithm

#152
20070250760
2007-10-25

Extended convolutional codes

#153
20070226584
2007-09-27

Apparatus and method for transmitting/receiving signal in a communication system

#154
20070226583
2007-09-27

Apparatus and method for transmitting/receiving signal in a communication system

#155
20070220395
2007-09-20

Method and apparatus for encoding and decoding data

#156
20070192670
2007-08-16

Decoding device and decoding method

#157
20070162816
2007-07-12

Method for constructing a parity check matrix of an irregular low density parity check code

#158
20070162815
2007-07-12

System and method for providing H-ARQ rate compatible codes for high throughput applications

#159
20070143657
2007-06-21

Encoder, decoder, methods of encoding and decoding

#160
20070113146
2007-05-17

System and method for low-density parity check (LDPC) code design

#161
20070079209
2007-04-05

Method of detecting occurrence of error event in data and apparatus for the same

#162
20070061689
2007-03-15

Method of detecting and correcting a prescribed set of error events based on error detecting code

#163
20070011566
2007-01-11

Clash-free irregular-repeat-accumulate code

#164
20060190271
2006-08-24

Method for forming rate compatible code using high dimensional product codes

#165
20060156179
2006-07-13

Construction of LDPC (Low Density Parity Check) codes using GRS (Generalized Reed-Solomon) code

#166
20060013181
2006-01-19

Apparatus, and associated method, for allocating communications in a multi-channel communication system

#167
20050251724
2005-11-10

Method and apparatus for generating check matrix

#168
20050246615
2005-11-03

Check matrix generation method and check matrix generation device

#169
20050210363
2005-09-22

Error correction coding method using at least twice a same elementary code, coding method, corresponding coding and decoding devices

#170
20050149845
2005-07-07

Method of constructing QC-LDPC codes using qth-order power residue

#171
13752718
2015-12-01

Matrix expansion