ClassID:

222909

H03M13/6325 - 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; Joint error correction and other techniques Error control coding in combination with demodulation

Recent Application in this class:
#1
20260136211
2026-05-14

Methods of Receiving Data Transmitted using Non-Uniform Multidimensional Constellation and Code Rate Pairs

#2
20250097729
2025-03-20

Methods of Receiving Data Transmitted using Non-Uniform Multidimensional Constellation and Code Rate Pairs

#3
20240235736
2024-07-11

Data transmission method with variable puncturing between constellation symbols according to the location thereof

#4
20240088917
2024-03-14

Parallel bit interleaver

#5
20230344685
2023-10-26

A COMMUNICATION UNIT FOR SOFT-DECISION DEMODULATION AND METHOD THEREFOR

#6
20230261912
2023-08-17

Communication unit for soft-decision demodulation and method therefor

#7
20230041662
2023-02-09

Parallel bit interleaver

#8
20220302931
2022-09-22

Iterative bit flip decoding based on symbol reliabilities

#9
20220295313
2022-09-15

Methods of receiving data using unequally spaced quadrature amplitude modulated 64 point symbol constellations

#10
20220295312
2022-09-15

Communication systems capable of receiving and processing data using unequally spaced and uniform quadrature amplitude modulated 64 point symbol constellations

#11
20220286874
2022-09-08

Methods of receiving data using unequally spaced and uniform quadrature amplitude modulated 64 point symbol constellations

#12
20220263523
2022-08-18

PARALLEL BIT INTERLEAVER

#13
20220077876
2022-03-10

Dynamic multi-stage decoding

#14
20220075686
2022-03-10

Soft decoding method using LLR conversion table

#15
20210368363
2021-11-25

Methods of transmitting data using non-uniform constellations with overlapping constellation point locations

#16
20210367618
2021-11-25

Parallel bit interleaver

#17
20210360445
2021-11-18

Methods of receiving data using uniform and non-uniform constellations with rings

#18
20210360444
2021-11-18

Methods of receiving data transmitted using non-uniform constellations with overlapping constellation point locations

#19
20210360443
2021-11-18

Methods of transmitting data using unequally spaced constellations that provide reduced SNR requirements as compared to equally spaced constellations

#20
20210360441
2021-11-18

Methods of receiving data transmitted using unequally spaced constellations that provide reduced SNR requirements as compared to equally spaced constellations

#21
20210360440
2021-11-18

Methods of transmitting data using uniform and non-uniform constellations with rings

#22
20210352496
2021-11-11

Methods of transmitting data using non-uniform multidimensional constellation and code rate pairs

#23
20210328598
2021-10-21

Correction of Errors in Soft Demodulated Symbols Using a CRC

#24
20210318930
2021-10-14

Dynamic multi-stage decoding

#25
20210297093
2021-09-23

Parallel bit interleaver

#26
20210282031
2021-09-09

Methods of communicating data transmitted using non-uniform multidimensional constellation and code rate pairs

#27
20210282030
2021-09-09

Methods of receiving data transmitted using non-uniform multidimensional constellation and code rate pairs

#28
20210083692
2021-03-18

Parallel bit interleaver

#29
20210036805
2021-02-04

Method and apparatus for transmitting and receiving signal using polar code in communication system

#30
20200358459
2020-11-12

Memory system that carries out soft bit decoding

#31
20200221321
2020-07-09

Receivers incorporating uniform and non-uniform constellations with rings

#32
20200220562
2020-07-09

Dynamic multi-stage decoding

#33
20200159620
2020-05-21

Dynamic multi-stage decoding

#34
20200145850
2020-05-07

Transmitters incorporating uniform and non-uniform constellations and adaptive selection

#35
20200145849
2020-05-07

Receivers incorporating uniform and non-uniform constellations and adaptive selection

#36
20200145847
2020-05-07

Transmitters incorporating non-uniform constellations with overlapping constellation point locations

#37
20200145846
2020-05-07

Receivers incorporating non-uniform constellations with overlapping constellation point locations

#38
20200145844
2020-05-07

Transmitters incorporating uniform and non-uniform constellations with rings

#39
20200091937
2020-03-19

Generating hamming weights for data

#40
20200081770
2020-03-12

Memory system and control method

#41
20200044666
2020-02-06

Systems and methods for decoding low density parity check encoded codewords

#42
20200034233
2020-01-30

SSD for long term data retention

#43
20200014490
2020-01-09

High speed interleaver/deinterleaver device supporting line rate, and method thereof

#44
20200012561
2020-01-09

SYSTEM AND METHOD FOR ADAPTIVE MULTIPLE READ OF NAND FLASH

#45
20190393900
2019-12-26

Parallel bit interleaver

#46
20190361769
2019-11-28

MEMORY DEVICE WITH SOFT-DECISION DECODING AND METHODS OF READING AND FORMING THEREOF

#47
20190296772
2019-09-26

Parallel bit interleaver

#48
20190296770
2019-09-26

Parallel bit interleaver

#49
20190260506
2019-08-22

Enhanced automatic identification system

#50
20190215019
2019-07-11

Memory system that carries out soft bit decoding

#51
20190190541
2019-06-20

Dynamic multi-stage decoding

#52
20190140666
2019-05-09

Memory system and operating method thereof

#53
20190140660
2019-05-09

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

#54
20190138392
2019-05-09

Memory system and method for operating the same

#55
20190121691
2019-04-25

Dynamic multi-stage decoding

#56
20190089375
2019-03-21

Convolutional LDPC decoding method and apparatus, decoder, and system

#57
20190081642
2019-03-14

Data storage device encoding and interleaving codewords to improve trellis sequence detection

#58
20190080751
2019-03-14

Storage system with data reliability mechanism and method of operation thereof

#59
20190068320
2019-02-28

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

#60
20190068221
2019-02-28

Data storage device encoding and interleaving codewords to improve trellis sequence detection

#61
20190052289
2019-02-14

Method and device for turbo demodulation, iterative demapping and iterative decoding

#62
20190044545
2019-02-07

Parallel bit interleaver

#63
20190007063
2019-01-03

Generating Hamming weights for data

#64
20180351576
2018-12-06

Method and data storage device to estimate a number of errors using convolutional low-density parity-check coding

#65
20180341543
2018-11-29

Controller, semiconductor memory system and operating method thereof

#66
20180253353
2018-09-06

Memory controller, memory system, and method for controlling memory system

#67
20180234208
2018-08-16

Method and device for iterative demodulation, equalization and channel decoding

#68
20180175889
2018-06-21

Adaptive bit-flipping decoder based on dynamic error information

#69
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

#70
20180102792
2018-04-12

JOINT DETECTOR/ DECODER DEVICES AND JOINT DETECTION/ DECODING METHODS

#71
20180026659
2018-01-25

Low-density parity check decoder, a storage device including the same, and a method

#72
20180026658
2018-01-25

LDPC decoder, semiconductor memory system and operating method thereof

#73
20180024881
2018-01-25

System and method for adaptive multiple read of NAND flash

#74
20180024879
2018-01-25

Decoder using low-density parity-check code and memory controller including the same

#75
20180012663
2018-01-11

Independent read threshold voltage tracking for multiple dependent read threshold voltages using syndrome weights

#76
20180011753
2018-01-11

Adaptive read threshold voltage tracking with bit error rate estimation based on non-linear syndrome weight mapping

#77
20170272102
2017-09-21

Method and data storage device using convolutional low-density parity-check coding with a long page write and a short page read granularity

#78
20170269994
2017-09-21

Method for decoding bits in a solid state drive, and related solid state drive

#79
20170269993
2017-09-21

Method for decoding bits-by varying LLR values in a solid-state drive, and solid-state drive implementing the method

#80
20170269991
2017-09-21

Storage device operations based on bit error rate (BER) estimate

#81
20170264393
2017-09-14

Decoding method and apparatus in system using sequentially connected binary codes

#82
20170264312
2017-09-14

Read threshold calibration for LDPC

#83
20170257118
2017-09-07

Method and data storage device to estimate a number of errors using convolutional low-density parity-check coding

#84
20170236592
2017-08-17

Establishing parameters of subsequent read retry operations based on syndrome weights of prior failed decodings

#85
20170206130
2017-07-20

Decoding method, memory storage device and memory control circuit unit

#86
20170170847
2017-06-15

Parallel bit interleaver

#87
20170126254
2017-05-04

Partial reverse concatenation for data storage devices using composite codes

#88
20170125114
2017-05-04

Read retry operations with estimation of written data based on syndrome weights

#89
20170123899
2017-05-04

Systems and methods for efficient soft data based flash memory data recovery

#90
20170123898
2017-05-04

Storage device operations based on bit error rate (BER) estimate

#91
20170033805
2017-02-02

Scheduling strategies for iterative decoders

#92
20170005673
2017-01-05

Receiver

#93
20160373133
2016-12-22

Systems and methods for interleaved coded modulation with convolutional coding-based low-density parity check codes

#94
20160352463
2016-12-01

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

#95
20160308556
2016-10-20

Systems and methods for differential message scaling in a decoding process

#96
20160306694
2016-10-20

Iterative soft information correction and decoding

#97
20160285477
2016-09-29

Parallel bit interleaver

#98
20160277145
2016-09-22

Enhanced automatic identification system

#99
20160277041
2016-09-22

Incremental LLR generation for flash memories

#100
20160277036
2016-09-22

Method of constructing a parity-check matrix for using message-passing algorithm to decode the repeat-accumulate type of modulation and coding schemes

#101
20160274971
2016-09-22

LDPC decoder, semiconductor memory system and operating method thereof

#102
20160274969
2016-09-22

Method and system for determining soft information offsets

#103
20160269214
2016-09-15

Transmission and receiving method in a wireless communication system

#104
20160266969
2016-09-15

Controller, semiconductor memory system and operating method thereof

#105
20160259683
2016-09-08

Memory controller, memory system and memory control method

#106
20160246673
2016-08-25

Controller, semiconductor memory system and operating method thereof

#107
20160233979
2016-08-11

Method and system for reliable data communications with adaptive multi-dimensional modulations for variable-iteration decoding

#108
20160203041
2016-07-14

Track error-correcting code extension

#109
20160197626
2016-07-07

Parallel bit interleaver

#110
20160197623
2016-07-07

Read threshold calibration for LDPC

#111
20160191082
2016-06-30

Parallel bit interleaver

#112
20160124811
2016-05-05

Signal processing device, magnetic information playback device, and signal processing method

#113
20160105243
2016-04-14

Multinary signaling based coded modulation for ultra-high-speed optical transport

#114
20160072657
2016-03-10

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

#115
20160062828
2016-03-03

Data accessing method, memory storage device and memory controlling circuit unit

#116
20160050047
2016-02-18

Reduced memory iterative baseband processing

#117
20160034353
2016-02-04

Storage module and method for improved error correction by detection of grown bad bit lines

#118
20150365106
2015-12-17

Deterministic read retry method for soft LDPC decoding in flash memories

#119
20150349799
2015-12-03

Parallel bit interleaver

#120
20150333942
2015-11-19

Digital communication system

#121
20150333771
2015-11-19

Parallel bit interleaver

#122
20150326253
2015-11-12

Forward error correction with turbo/non-turbo switching

#123
20150303948
2015-10-22

Data decoding method of non-volatile memory device and apparatus for performing the method

#124
20150303946
2015-10-22

Parallel bit interleaver

#125
20150295748
2015-10-15

Bit-likelihood calculating apparatus and bit-likelihood calculating method

#126
20150293811
2015-10-15

Decoding method, memory storage device and memory controlling circuit unit

#127
20150286523
2015-10-08

Systems and methods for differential message scaling in a decoding process

#128
20150256201
2015-09-10

Memory controller, storage device, and memory control method

#129
20150227403
2015-08-13

Decoding system and method for electronic non-volatile computer storage apparatus

#130
20150220395
2015-08-06

Error control in memory storage systems

#131
20150180607
2015-06-25

Parallel processing of overlapping subsequences to generate soft estimates

#132
20150171895
2015-06-18

Use of parity-check coding for carrier-phase estimation in an optical transport system

#133
20150149860
2015-05-28

Iterative data storage read channel architecture

#134
20150052419
2015-02-19

Error correction capability improvement in the presence of hard bit errors

#135
20150012800
2015-01-08

Systems and methods for correlation based data alignment

#136
20140376925
2014-12-25

Method and system for modulating optical signals as high-dimensional lattice constellation points to increase tolerance to noise

#137
20140376650
2014-12-25

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

#138
20140359394
2014-12-04

Apparatus for processing signals carrying modulation-encoded parity bits

#139
20140347762
2014-11-27

Combined soft detection/soft decoding in tape drive storage channels

#140
20140344642
2014-11-20

MODULATION/DEMODULATION METHOD, DEMODULATION APPARATUS, AND CODE MODULATION METHOD

#141
20140289582
2014-09-25

Systems and methods for reduced constraint code data processing

#142
20140247910
2014-09-04

Parallel execution of trellis-based methods using overlapping sub-sequences

#143
20140189458
2014-07-03

Soft input, soft output mappers and demappers for block codes

#144
20140129872
2014-05-08

Error control in memory storage systems

#145
20140086229
2014-03-27

Wireless communication device and method to detect header information errors

#146
20140082461
2014-03-20

Systems and methods for detector side trapping set mitigation

#147
20140075271
2014-03-13

Parallel bit interleaver

#148
20140053037
2014-02-20

Multi-level LDPC layered decoder with out-of-order processing

#149
20130346824
2013-12-26

Dynamically controlling the number of local iterations in an iterative decoder

#150
20130339827
2013-12-19

Adaptive calibration of noise predictive finite impulse response filter

#151
20130326306
2013-12-05

Partial reverse concatenation for data storage devices using composite codes

#152
20130283127
2013-10-24

Combined soft detection/soft decoding in tape drive storage channels

#153
20130279040
2013-10-24

Combined soft detection/soft decoding in tape drive storage channels

#154
20130275986
2013-10-17

Data processing system with out of order transfer

#155
20130275829
2013-10-17

Using a soft decoder with hard data

#156
20130238952
2013-09-12

Apparatuses and methods for combining error coding and modulation schemes

#157
20130215996
2013-08-22

Method and device for coded modulation

#158
20130212447
2013-08-15

Non-binary LDPC decoder with low latency scheduling

#159
20130155541
2013-06-20

Detector pruning control system

#160
20120290893
2012-11-15

Method and apparatus for detecting a parity error in a sequence of DQPSK symbols of a digital transmission system

#161
20120254699
2012-10-04

Dynamic read channel calibration for non-volatile memory devices

#162
20120221917
2012-08-30

Error control in memory storage systems

#163
20120210191
2012-08-16

Error correcting decoder and receiving system

#164
20120096327
2012-04-19

Joint carrier phase estimation and forward error correction

#165
20120079341
2012-03-29

Iterative decoding of LDPC codes with iteration scheduling

#166
20120014480
2012-01-19

Method for soft modulation in a wireless telecommunication network

#167
20110228869
2011-09-22

Methodology and method and appartus for signaling with capacity optimized constellations

#168
20110167317
2011-07-07

APPARATUS FOR ADAPTABLE/VARIABLE TYPE MODULATION AND DEMODULATION IN DIGITAL TX/RX SYSTEM

#169
20110167246
2011-07-07

Systems and methods for data detection including dynamic scaling

#170
20110158359
2011-06-30

Iterative decoding and demodulation with feedback attenuation

#171
20110158333
2011-06-30

RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, AND COMMUNICATION DEVICE

#172
20110116515
2011-05-19

SYSTEM AND METHOD FOR DEMODULATING AND DECODING A DIFFERENTIALLY ENCODED CODED ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING MODULATION CODE USING TWO-DIMENSIONAL CODE BLOCKS

#173
20100322358
2010-12-23

Parallel execution of trellis-based methods

#174
20100296506
2010-11-25

Digital broadcast transmitter, digital broadcast receiver, and methods for configuring and processing streams thereof

#175
20100296424
2010-11-25

Digital broadcast transmitter, digital broadcast receiver, and methods for configuring and processing digital transport streams thereof

#176
20100296001
2010-11-25

Digital broadcast transmitter, digital broadcast receiver, and methods for configuring and processing streams thereof

#177
20100266069
2010-10-21

Iterative receiver and iterative decoder

#178
20100220768
2010-09-02

Multi-ary error-correcting code transmitting and receiving apparatuse, data transmission system, and relevant method

#179
20100211849
2010-08-19

Multi-dimensional LDPC coded modulation for high-speed optical transmission systems

#180
20100169734
2010-07-01

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

#181
20100162077
2010-06-24

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

#182
20100098183
2010-04-22

Decoding system and method for digital communications

#183
20100085163
2010-04-08

Decoding scheme for RFID reader

#184
20090323846
2009-12-31

Method and apparatus for computing soft decision input metrics to a turbo decoder

#185
20090319873
2009-12-24

SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD THAT DECODE ENCODED INFORMATION

#186
20090319866
2009-12-24

Erasure flagging system and method for errors-and-erasures decoding in storage devices

#187
20090249170
2009-10-01

Decoding method

#188
20090228766
2009-09-10

Simultaneous PMD compensation and chromatic dispersion compensation using LDPC coded OFDM

#189
20090217129
2009-08-27

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

#190
20090199074
2009-08-06

Parameter estimation based on error correction code parity check equations

#191
20090199071
2009-08-06

Systems and methods for low cost LDPC decoding

#192
20090187811
2009-07-23

Method and system for providing low density parity check (LDPC) encoding

#193
20090141826
2009-06-04

Digital signal transmitting system, receiving apparatus and receiving method

#194
20090097582
2009-04-16

Methodology and method and apparatus for signaling with capacity optimized constellations

#195
20080294968
2008-11-27

Ultra high-speed optical transmission based on LDPC-coded modulation and coherent detection for all-optical network

#196
20080130784
2008-06-05

Coding device, decoding device, transmitter and receiver

#197
20080075203
2008-03-27

Method and system for demodulating data signals

#198
20080069273
2008-03-20

System for Compensating Turbodecoder Phase Shift

#199
20070288832
2007-12-13

Device and method for receiving digital signal transmitted using OFDM method

#200
20070274407
2007-11-29

Decoding system and method for digital communications

#201
20070260959
2007-11-08

Log-likelihood ratio (LLR) computation using piecewise linear approximation of LLR functions

#202
20070234171
2007-10-04

Fault tolerant decoding method and apparatus including use of quality information

#203
20070223602
2007-09-27

Orthogonal frequency division multiplexing (OFDM) system receiver using low-density parity-check (LDPC) codes

#204
20070204204
2007-08-30

Concurrent code checker and hardware efficient high-speed I/O having built-in self-test and debug features

#205
20070198904
2007-08-23

Error correction processing apparatus and error correction processing method

#206
20070127605
2007-06-07

Method and apparatus for computing soft decision input metrics to a turbo decoder

#207
20070113142
2007-05-17

Method and system for providing low density parity check (LDPC) encoding

#208
20070089024
2007-04-19

Method and apparatus for a low-density parity-check decoder

#209
20070030926
2007-02-08

Iterative non-coherent CPM decoder

#210
20070019752
2007-01-25

Decoders using fixed noise variance and methods of using the same

#211
20060285612
2006-12-21

Using soft bit decisions to improve DPSK demodulation of SPS data

#212
20060242547
2006-10-26

Decoding method

#213
20060242546
2006-10-26

Decoding method and apparatus

#214
20060212781
2006-09-21

Enhanced turbo product code decoder system

#215
20060176968
2006-08-10

Adaptive Viterbi decoder for a wireless data network receiver

#216
20060160498
2006-07-20

Multi-carrier transmitting apparatus and multi-carrier transmitting method

#217
20050204256
2005-09-15

Turbo product code implementation and decoding termination method and apparatus

#218
20050204255
2005-09-15

Cyclic redundancy check based message passing in turbo product code decoding

#219
20050172211
2005-08-04

Data demodulation apparatus and method

#220
20050166132
2005-07-28

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

#221
20050157824
2005-07-21

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

#222
20050105649
2005-05-19

Constitution of a receiver in an ultra-wideband wireless communications system

#223
20050066261
2005-03-24

Record reproduction method, apparatus, and circuit for using error correcting code

#224
16726037
2020-06-23

Receivers incorporating non-uniform multidimensional constellations and code rate pairs