ClassID:

222949

H03M13/6577 - 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

Sub-classes:
Recent Application in this class:
#1
20250125819
2025-04-17

ENERGY-EFFICIENT DATAPATH FOR VECTOR-SCALED HIERARCHICAL CODEBOOK QUANTIZATION

#2
20240291505
2024-08-29

PERFECTLY BALANCED ERROR CODE CORRECTION WITHOUT CORRECTION POWER INCREASE

#3
20240204804
2024-06-20

DATA PROCESSING SYSTEM AND DATA PROCESSING METHOD FOR DEEP NEURAL NETWORK MODEL

#4
20240195438
2024-06-13

Computationally efficient and bitrate scalable soft vector quantization

#5
20240120949
2024-04-11

Decoding FEC codewords using LDPC codes defined by a parity check matrix which is defined by RPC and QC constraints

#6
20230370094
2023-11-16

System and method for efficient transition encoding for decimation CDR

#7
20230208448
2023-06-29

Variable length ECC code according to value length in NVMe key value pair devices

#8
20220158660
2022-05-19

Decoding fec codewords using ldpc codes define by a parity check matrix which is defined by rpc and qc constraints

#9
20220103187
2022-03-31

Low-density parity-check (LDCP) decoder of reconstruction-computation-quantization (RCQ) approach for a storage device

#10
20220021400
2022-01-20

ITERATIVE DECODER FOR DECODING A CODE COMPOSED OF AT LEAST TWO CONSTRAINT NODES

#11
20210320676
2021-10-14

LLR estimation for soft decoding

#12
20210159915
2021-05-27

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

#13
20210135689
2021-05-06

UPO compliant information sequences for polar codes

#14
20200321985
2020-10-08

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

#15
20200244291
2020-07-30

Data retransmission method and apparatus to obtain information to be transmitted and to perform Polar encoding on the information

#16
20200220557
2020-07-09

Vertical layered finite alphabet iterative decoding

#17
20190280715
2019-09-12

Compressing error vectors for decoding logic to store compressed in a decoder memory used by the decoding logic

#18
20190190539
2019-06-20

Error correction device, operating method of error correction device, and controller including error correction device

#19
20190165884
2019-05-30

Irregular polar code encoding

#20
20190146866
2019-05-16

Updating reliability data

#21
20190044537
2019-02-07

Vertical layered finite alphabet iterative decoding

#22
20190013864
2019-01-10

Low resolution ADC-DSP optimization based on non-uniform quantization and MLSE for data centers interconnects

#23
20180351585
2018-12-06

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

#24
20180351582
2018-12-06

Adaptive outer code for consistent overprovisioning (OP) level

#25
20180227076
2018-08-09

Irregular polar code encoding

#26
20180226999
2018-08-09

Soft-output decoding of codewords encoded with polar code

#27
20180159555
2018-06-07

Configurable ECC decoder

#28
20180157551
2018-06-07

ECC decoder with selective component disabling based on decoding message resolution

#29
20180109269
2018-04-19

Adjusted min-sum decoder

#30
20170141796
2017-05-18

System and method of belief propagation decoding

#31
20170134053
2017-05-11

Fixed point conversion of LLR values based on correlation

#32
20170078010
2017-03-16

System and method for trellis coded quantization based channel feedback

#33
20170041024
2017-02-09

Method and apparatus for reducing idle cycles during LDPC decoding

#34
20160329909
2016-11-10

Decoding apparatus, decoding method, and computer program product

#35
20160301425
2016-10-13

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

#36
20160259686
2016-09-08

Updating reliability data

#37
20160241257
2016-08-18

Decoding low-density parity-check maximum-likelihood single-bit messages

#38
20160233978
2016-08-11

Method and apparatus for decoding data in receiver that uses non-binary low density parity check code

#39
20160233884
2016-08-11

Low power low-density parity-check decoding

#40
20160233883
2016-08-11

Low power low-density parity-check decoding

#41
20160226528
2016-08-04

Non-uniform quantization of log likelihood ratios

#42
20160179616
2016-06-23

Operating method of flash memory system

#43
20160134305
2016-05-12

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

#44
20160085615
2016-03-24

Method and apparatus for improving data integrity using compressed soft information

#45
20160055057
2016-02-25

Storage device including error correction decoder and operating method of error correction decoder

#46
20150339189
2015-11-26

Fixed point conversion of LLR values based on correlation

#47
20150295592
2015-10-15

Decoding method, apparatus, and algorithm for nonbinary LDPC codes

#48
20150280744
2015-10-01

Decoding apparatus and method in mobile communication system using non-binary low-density parity-check code

#49
20150229506
2015-08-13

Soft metrics compressing method

#50
20140289450
2014-09-25

Dynamic log likelihood ratio quantization for solid state drive controllers

#51
20140201595
2014-07-17

Resolving trapping sets

#52
20140108883
2014-04-17

Updating reliability data with a variable node and check nodes

#53
20140082455
2014-03-20

Decoding device

#54
20140053044
2014-02-20

Decoding device and decoding method

#55
20140040700
2014-02-06

Multicore type error correction processing system and error correction processing apparatus

#56
20140019824
2014-01-16

Resolving trapping sets

#57
20130339816
2013-12-19

Conserving computing resources during error correction

#58
20130339815
2013-12-19

Power-optimized decoding of linear codes

#59
20130275829
2013-10-17

Using a soft decoder with hard data

#60
20130254632
2013-09-26

Transmission system, decoding device, memory controller, and memory system

#61
20130212450
2013-08-15

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

#62
20130198591
2013-08-01

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

#63
20130182347
2013-07-18

Signal processing apparatus, signal processing method, and magnetic disk apparatus

#64
20130073928
2013-03-21

Power-optimized decoding of linear codes

#65
20130061114
2013-03-07

Freezing-based LDPC decoder and method

#66
20130061107
2013-03-07

Multi-level LDPC layer decoder

#67
20130055043
2013-02-28

Two low complexity decoding algorithms for LDPC codes

#68
20130051444
2013-02-28

Normalization of soft bit information for FEC decoding

#69
20130007551
2013-01-03

Stochastic stream decoding of binary LDPC codes

#70
20120297273
2012-11-22

Memory controller, semiconductor memory apparatus and decoding method

#71
20120266040
2012-10-18

Method of error floor mitigation in low-density parity-check codes

#72
20120221914
2012-08-30

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

#73
20120054580
2012-03-01

Error detection correction method and semiconductor memory apparatus

#74
20120054576
2012-03-01

Method and system for decoding

#75
20120026022
2012-02-02

Method of identifying a correct decoding codeward

#76
20110296269
2011-12-01

Receiver with capability of correcting error

#77
20110258508
2011-10-20

Systems and methods for dynamic scaling in a data decoding system

#78
20110173511
2011-07-14

Method and device for encoding of error correcting codes, and method and device for decoding of error correcting codes

#79
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

#80
20110087946
2011-04-14

Low complexity finite precision decoders and apparatus for LDPC codes

#81
20110004810
2011-01-06

Method and System of Receiving Data with Enhanced Error Correction

#82
20100268918
2010-10-21

ASIP architecture for executing at least two decoding methods

#83
20100219993
2010-09-02

Efficient coding of integers in non-power-of-two ranges

#84
20100192040
2010-07-29

Multi-stage decoder for error-correcting codes

#85
20100177615
2010-07-15

MAXIMUM LIKELIHOOD DECODER AND INFORMATION REPRODUCTION APPARATUS

#86
20100162077
2010-06-24

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

#87
20100158161
2010-06-24

Post decoding soft interference cancellation

#88
20100125769
2010-05-20

Parity-check-code decoder and recording controller

#89
20100095191
2010-04-15

Method and apparatus for deinterleaving in a digital communication system

#90
20100037119
2010-02-11

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

#91
20090304111
2009-12-10

Decoding device and method

#92
20090259912
2009-10-15

LDPC codes and stochastic decoding for optical transmission

#93
20090217127
2009-08-27

Turbo decoding apparatus and method

#94
20090187813
2009-07-23

Methods and apparatus for reduced complexity soft-output viterbi detection

#95
20090187802
2009-07-23

DECODING DEVICE AND METHOD, PROGRAM, AND RECORDING MEDIUM

#96
20090177869
2009-07-09

Efficient check node message transform approximation for LDPC decoder

#97
20090106620
2009-04-23

LDPC decoding apparatus, decoding method and program

#98
20090100319
2009-04-16

Decoder using a memory for storing state metrics implementing a decoder trellis

#99
20090037795
2009-02-05

Denoising and error correction for finite input, general output channel

#100
20080263430
2008-10-23

Data readout device and data readout method

#101
20080208939
2008-08-28

Decoder device and decoding method

#102
20080120531
2008-05-22

Methods and apparatus for soft decision decoding using reliability values based on a log base two function

#103
20080109698
2008-05-08

HYBRID MIN-SUM DECODING APPARATUS WITH LOW BIT RESOLUTION FOR LDPC CODE

#104
20080082902
2008-04-03

Systems and methods for reduced complexity LDPC decoding

#105
20070210941
2007-09-13

Apparatus and method for receiving signal in a communication system

#106
20070198899
2007-08-23

LOW COMPLEXITY CHANNEL DECODERS

#107
20070086541
2007-04-19

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

#108
20060242536
2006-10-26

Decoding device and decoding method

#109
20060236195
2006-10-19

Efficient check node message transform approximation for LDPC decoder

#110
20060212781
2006-09-21

Enhanced turbo product code decoder system

#111
20060109935
2006-05-25

Receiver system and method for soft-decision decoding of punctured convolutional codes in a wireless communication system

#112
20060090111
2006-04-27

Circuit for recursively calculating data

#113
20060067436
2006-03-30

Decoder using a memory for storing state metrics implementing a decoder trellis

#114
20050286656
2005-12-29

Method to adaptively scale the input to a channel decoder

#115
20050278604
2005-12-15

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

#116
20050257124
2005-11-17

Node processors for use in parity check decoders

#117
20050240853
2005-10-27

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

#118
20050204272
2005-09-15

Decoding apparatus and method and information processing apparatus and method

#119
20050185740
2005-08-25

Turbo decoder

#120
20050010846
2005-01-13

Decoding device and decoding method

#121
17938854
2024-03-12

Low latency decoder

#122
14079487
2015-10-13

Systems and methods for near-codeword detection and correction on the fly