ClassID:

222950

H03M13/658 - 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 Scaling by multiplication or division

Recent Application in this class:
#1
20230412194
2023-12-21

Encoder and flash memory controller

#2
20230014086
2023-01-19

Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device

#3
20220216885
2022-07-07

System and method for processing control information

#4
20210143838
2021-05-13

Simplified check node processing in non-binary LDPC decoder

#5
20210036718
2021-02-04

Codeword bit selection for rate-compatible polar coding

#6
20200349742
2020-11-05

Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device

#7
20200259508
2020-08-13

System and method for processing control information

#8
20200235758
2020-07-23

Method and apparatus for determining scaling factors in fixed-point decoder

#9
20200059243
2020-02-20

Systems and methods for decoding error correcting codes

#10
20190319637
2019-10-17

System and method for decoding iterations and dynamic scaling

#11
20190312602
2019-10-10

CHANNEL CODING METHOD, CHANNEL CODING APPARATUS, CHIP SYSTEM, AND STORAGE MEDIUM

#12
20190260394
2019-08-22

Device, system and method for determining bit reliability information

#13
20190165884
2019-05-30

Irregular polar code encoding

#14
20190149169
2019-05-16

Systems and methods for decoding error correcting codes

#15
20190149168
2019-05-16

Systems and methods for decoding error correcting codes

#16
20190140660
2019-05-09

Die-wise residual bit error rate (RBER) estimation for memories

#17
20190068320
2019-02-28

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#18
20180287637
2018-10-04

LDPC decoding method

#19
20180269902
2018-09-20

System and method for dynamic scaling of LDPC decoder in a solid state drive

#20
20180227076
2018-08-09

Irregular polar code encoding

#21
20180226999
2018-08-09

Soft-output decoding of codewords encoded with polar code

#22
20180109354
2018-04-19

Systems and methods for a log-likelihood ratio based dynamic pre-processing selection scheme in a low-density parity-check decoder

#23
20180026662
2018-01-25

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

#24
20170331495
2017-11-16

Adaptive desaturation in min-sum decoding of LDPD codes

#25
20170134053
2017-05-11

Fixed point conversion of LLR values based on correlation

#26
20170063400
2017-03-02

On-the-fly syndrome and syndrome weight computation architecture for LDPC decoding

#27
20170026055
2017-01-26

Adaptive desaturation in min-sum decoding of LDPC codes

#28
20160352463
2016-12-01

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#29
20160336966
2016-11-17

System and method for dynamic scaling of LDPC decoder in a solid state drive

#30
20160329910
2016-11-10

Non-binary LDPC decoder using binary subgroup processing

#31
20160308556
2016-10-20

Systems and methods for differential message scaling in a decoding process

#32
20160294415
2016-10-06

Error correction decoding apparatus

#33
20160072657
2016-03-10

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#34
20160043745
2016-02-11

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#35
20160043744
2016-02-11

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#36
20160043743
2016-02-11

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#37
20150339189
2015-11-26

Fixed point conversion of LLR values based on correlation

#38
20150286523
2015-10-08

Systems and methods for differential message scaling in a decoding process

#39
20150263763
2015-09-17

Apparatus and method for correcting error in mobile communication system using non-binary low-density parity-check codes

#40
20150263762
2015-09-17

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

#41
20150092290
2015-04-02

Non-binary layered low density parity check decoder

#42
20150082116
2015-03-19

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

#43
20150052419
2015-02-19

Error correction capability improvement in the presence of hard bit errors

#44
20150026536
2015-01-22

Data decoder with trapping set flip bit mapper

#45
20140376650
2014-12-25

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#46
20140359393
2014-12-04

Systems and methods for data processing using global iteration result reuse

#47
20140289450
2014-09-25

Dynamic log likelihood ratio quantization for solid state drive controllers

#48
20140281786
2014-09-18

Layered decoding architecture with reduced number of hardware buffers for LDPC codes

#49
20140237314
2014-08-21

Systems and methods for skip layer data decoding

#50
20140237313
2014-08-21

Systems and methods for trapping set disruption

#51
20140223264
2014-08-07

LDPC decoder with a variable node updater which uses a scaling constant

#52
20140208180
2014-07-24

Systems and methods for reusing a layered decoder to yield a non-layered result

#53
20140173385
2014-06-19

Low density parity check decoder with dynamic scaling

#54
20140153625
2014-06-05

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

#55
20140143637
2014-05-22

Log-likelihood ratio (LLR) dampening in low-density parity-check (LDPC) decoders

#56
20140122979
2014-05-01

Hardware architecture and implementation of low power layered multi-level LDPC decoder

#57
20140115431
2014-04-24

Systems and methods for positive feedback short media defect detection

#58
20140115430
2014-04-24

Systems and methods for iterative data processing using feedback iteration

#59
20140101510
2014-04-10

Low density parity check layer decoder for codes with overlapped circulants

#60
20140082461
2014-03-20

Systems and methods for detector side trapping set mitigation

#61
20140082455
2014-03-20

Decoding device

#62
20140082449
2014-03-20

LDPC Decoder With Variable Node Hardening

#63
20140068394
2014-03-06

Systems and methods for sector quality determination in a data processing system

#64
20140068368
2014-03-06

LDPC decoder with fractional unsatisfied check quality metric

#65
20140032996
2014-01-30

Decoding apparatus, storage apparatus, and decoding method

#66
20140032989
2014-01-30

Symbol selective scaling with parity forcing

#67
20140013190
2014-01-09

Iterative decoding device and related decoding method for irregular low-density parity-check code capable of improving error correction performance

#68
20130336430
2013-12-19

Communication system with iterative detector and decoder and method of operation thereof

#69
20130290806
2013-10-31

Systems and methods for data decoder state preservation during extended delay processing

#70
20130275827
2013-10-17

Multi-Section Non-Binary LDPC Decoder

#71
20130238950
2013-09-12

Decoding apparatus and decoding method for decoding LDPC-encoded data

#72
20130212447
2013-08-15

Non-binary LDPC decoder with low latency scheduling

#73
20130173994
2013-07-04

Variable barrel shifter

#74
20130139025
2013-05-30

Construction of multi rate low density parity check convolutional codes

#75
20130132790
2013-05-23

Probability-based multi-level LDPC decoder

#76
20130120169
2013-05-16

Systems and methods for reduced power multi-layer data decoding

#77
20130111297
2013-05-02

Systems and Methods for Symbol Selective Scaling in a Data Processing Circuit

#78
20130086455
2013-04-04

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

#79
20130061114
2013-03-07

Freezing-based LDPC decoder and method

#80
20130061107
2013-03-07

Multi-level LDPC layer decoder

#81
20130055043
2013-02-28

Two low complexity decoding algorithms for LDPC codes

#82
20130051444
2013-02-28

Normalization of soft bit information for FEC decoding

#83
20130013976
2013-01-10

CODE BLOCK REORDERING PRIOR TO FORWARD ERROR CORRECTION DECODING BASED ON PREDICTED CODE BLOCK RELIABILITY

#84
20130007558
2013-01-03

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

#85
20130007554
2013-01-03

Decoding low-density parity check (LDPC) codewords

#86
20120317462
2012-12-13

Method for controlling message-passing algorithm based decoding operation by referring to statistics data of syndromes of executed iterations and related control apparatus thereof

#87
20120290892
2012-11-15

High throughput LDPC decoder

#88
20120290891
2012-11-15

Method and apparatus for decoding low density parity check code

#89
20120284583
2012-11-08

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

#90
20120275469
2012-11-01

Data block processor in a mobile DTV system with diversity

#91
20120236430
2012-09-20

Systems and methods for auto scaling in a data processing system

#92
20120221914
2012-08-30

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

#93
20120198301
2012-08-02

Operational parameter adaptable LDPC (low density parity check) decoder

#94
20120066563
2012-03-15

ERROR CORRECTION DECODER, MEMORY CONTROLLER AND RECEIVER

#95
20120004811
2012-01-05

Method and control device for triggering passenger protection means for a vehicle

#96
20110314352
2011-12-22

Reduced-complexity LDPC decoding

#97
20110264980
2011-10-27

Systems and methods for low density parity check data decoding

#98
20110258508
2011-10-20

Systems and methods for dynamic scaling in a data decoding system

#99
20110231731
2011-09-22

Method and system for decoding

#100
20110167246
2011-07-07

Systems and methods for data detection including dynamic scaling

#101
20110161776
2011-06-30

Compress-forward coding with N-PSK modulation for the half-duplex gaussian relay channel

#102
20110158359
2011-06-30

Iterative decoding and demodulation with feedback attenuation

#103
20110149866
2011-06-23

Wireless terminal baseband processor high speed turbo decoding module

#104
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

#105
20110129234
2011-06-02

Iterative carrier phase compensation in coherent fiber optic receivers

#106
20110055668
2011-03-03

Method, device, and digital circuitry for providing a closed-form solution to a scaled error locator polynomial used in BCH decoding

#107
20110041033
2011-02-17

Method and System for Decoding Graph-Based Codes Using Message-Passing with Difference-Map Dynamics

#108
20110041029
2011-02-17

Method and system for decoding graph-based codes using message-passing with difference-map dynamics

#109
20110040820
2011-02-17

Secure multi-party computation of normalized sum-type functions

#110
20110029756
2011-02-03

Method and system for decoding low density parity check codes

#111
20100318872
2010-12-16

Decoding method for LDPC code based on BP arithmetic

#112
20100262888
2010-10-14

Decoding apparatus and method based on variable error correction value

#113
20100251059
2010-09-30

Shuffled LDPC decoding

#114
20100223534
2010-09-02

Code block reordering prior to forward error correction decoding based on predicted code block reliability

#115
20100192040
2010-07-29

Multi-stage decoder for error-correcting codes

#116
20100185925
2010-07-22

Differential Locally Updating Viterbi Decoder

#117
20100169734
2010-07-01

Broadcast receiver and method for optimizing a scale factor for a log-likelihood mapper

#118
20100162077
2010-06-24

Method and apparatus for map decoding and turbo decoder using the same

#119
20100153810
2010-06-17

Decoding device and receiving device

#120
20100146366
2010-06-10

Wireless terminal baseband processor high speed turbo decoding module

#121
20100138721
2010-06-03

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

#122
20100131819
2010-05-27

LDPC decoder variable node units having fewer adder stages

#123
20100125769
2010-05-20

Parity-check-code decoder and recording controller

#124
20100037119
2010-02-11

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

#125
20090319861
2009-12-24

Using damping factors to overcome LDPC trapping sets

#126
20090307567
2009-12-10

Wireless communication system, receiver and signal processing method for received signal

#127
20090290667
2009-11-26

Joint symbol, amplitude, and rate estimator

#128
20090271688
2009-10-29

Communication signal decoding with iterative cooperation between inner and outer codes

#129
20090271686
2009-10-29

COMMUNICATION SIGNAL DECODING WITH ITERATIVE COOPERATION BETWEEN TURBO AND REED-SOLOMON DECODING

#130
20090268575
2009-10-29

Systems and methods for reducing attenuation of information derived from a defective medium

#131
20090222711
2009-09-03

Generalized multi-threshold decoder for low-density parity check codes

#132
20090207948
2009-08-20

Receiving apparatus

#133
20090177869
2009-07-09

Efficient check node message transform approximation for LDPC decoder

#134
20090177852
2009-07-09

DATA BLOCK RECEIVER AND METHOD FOR DECODING DATA BLOCK

#135
20090164540
2009-06-25

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

#136
20090132887
2009-05-21

Communication apparatus and decoding method

#137
20090122891
2009-05-14

Control channel detection scheme

#138
20090100312
2009-04-16

Apparatus and method for decoding low-density parity check code

#139
20090067553
2009-03-12

Joint symbol, amplitude, and rate estimator

#140
20090037799
2009-02-05

Operating method and circuit for low density parity check (LDPC) decoder

#141
20090037597
2009-02-05

Joint symbol, amplitude, and rate estimator

#142
20090022250
2009-01-22

Conditionally input saturated Viterbi detector

#143
20080282129
2008-11-13

Operational parameter adaptable LDPC (low density parity check) decoder

#144
20080244359
2008-10-02

Techniques for correcting errors using iterative decoding

#145
20080208939
2008-08-28

Decoder device and decoding method

#146
20080195898
2008-08-14

Message-passing and forced convergence decoding method

#147
20080189234
2008-08-07

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

#148
20080104486
2008-05-01

Decoder and reproducing device

#149
20080092028
2008-04-17

Decoding device and decoding method

#150
20080082902
2008-04-03

Systems and methods for reduced complexity LDPC decoding

#151
20080082868
2008-04-03

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

#152
20080077839
2008-03-27

Stochastic decoding of LDPC codes

#153
20080075204
2008-03-27

Decoding method and system for real-time wireless channel estimation

#154
20080069273
2008-03-20

System for Compensating Turbodecoder Phase Shift

#155
20080052558
2008-02-28

Systems and methods for reduced complexity LDPC decoding

#156
20080019468
2008-01-24

SOFT SAMPLE SCALING IN A TURBO DECODER

#157
20080005643
2008-01-03

Apparatus and method for receiving signal in a communication system

#158
20070286292
2007-12-13

Turbo decoding with iterative estimation of channel parameters

#159
20070283218
2007-12-06

Low density parity check code decoder

#160
20070245217
2007-10-18

Low-density parity check decoding

#161
20070220394
2007-09-20

Low-complexity and low-power-consumption turbo decoder with variable scaling factor

#162
20070217541
2007-09-20

Compress-forward coding with N-PSK modulation for the half-duplex Gaussian relay channel

#163
20070140210
2007-06-21

Method and system for decoding control channels using repetition redundancy based on weighted bits

#164
20070113163
2007-05-17

Belief propagation decoder cancelling the exchange of unreliable messages

#165
20070086541
2007-04-19

Apparatus and method for processing LLR for error correction code in a mobile communication system

#166
20070071140
2007-03-29

Method and apparatus for non-linear scaling of log likelihood ratio (LLR) values in a decoder

#167
20070019752
2007-01-25

Decoders using fixed noise variance and methods of using the same

#168
20060282742
2006-12-14

2D-normalized min-sum decoding for ECC codes

#169
20060270369
2006-11-30

Wireless terminal baseband processor high speed turbo decoding module

#170
20060236195
2006-10-19

Efficient check node message transform approximation for LDPC decoder

#171
20060156167
2006-07-13

Running minimum message passing LDPC decoding

#172
20060107179
2006-05-18

Amplifying magnitude metric of received signals during iterative decoding of LDPC (Low Density Parity Check) code and LDPC coded modulation

#173
20060085720
2006-04-20

Message passing memory and barrel shifter arrangement in LDPC (Low Density Parity Check) decoder supporting multiple LDPC codes

#174
20060056280
2006-03-16

OFDM signal receiver device and OFDM signal receiving method

#175
20060047842
2006-03-02

Joint symbol, amplitude, and rate estimator

#176
20050286656
2005-12-29

Method to adaptively scale the input to a channel decoder

#177
20050268206
2005-12-01

Common circuitry supporting both bit node and check node processing in LDPC (Low Density Parity Check) decoder

#178
20050268204
2005-12-01

Decoding apparatus and decoding circuit

#179
20050262424
2005-11-24

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

#180
20050257124
2005-11-17

Node processors for use in parity check decoders

#181
20050216821
2005-09-29

Mapping method for encoded bits using LDPC code, transmitting and receiving apparatuses employing this method, and program for executing this method

#182
20050185735
2005-08-25

Method and device for evaluating the noise associated with turbocodes, and systems using them

#183
20050166132
2005-07-28

IPHD (iterative parallel hybrid decoding) of various MLC (multi-level code) signals

#184
20050149844
2005-07-07

Decoding LDPC (low density parity check) code with new operators based on minoperator

#185
20050138516
2005-06-23

Decoding Reed-Solomon codes and related codes represented by graphs

#186
20050081128
2005-04-14

Decoding low density parity codes

#187
20050031053
2005-02-10

Decoding method and apparatus

#188
15488434
2018-05-01

Transmit/receive beamforming signal generation