ClassID:

222877

H03M13/4138 - 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; Decoding methods or techniques, not specific to the particular type of coding provided for in groups  - ; Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions

Sub-classes:
Recent Application in this class:
#1
20260106782
2026-04-16

KALMAN FILTER BASED PHASE-LOCKED LOOP WITH RE-ENCODING BASED PHASE DETECTOR

#2
20240354052
2024-10-24

Soft Decision Audio Decoding System

#3
20230216523
2023-07-06

Bit flipping device and method and computer readable program for the same

#4
20230105010
2023-04-06

Markov encoder-decoder optimized for cyclo-stationary communications channel or storage media

#5
20230008365
2023-01-12

Soft decision audio decoding system

#6
20220376711
2022-11-24

Neural network soft information detector in a read channel

#7
20220321149
2022-10-06

Soft-decision decoding

#8
20210141590
2021-05-13

Soft decision audio decoding system

#9
20210028795
2021-01-28

Memory controller and method for decoding memory devices with early hard-decode exit

#10
20200274557
2020-08-27

Method of Viterbi algorithm and receiving device

#11
20190287011
2019-09-19

Sequence detection

#12
20190245563
2019-08-08

Iterative message-passing decoding with global code embedded with local code in time-division manner for fault tolerance improvement

#13
20190081642
2019-03-14

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

#14
20190058494
2019-02-21

Channel error rate optimization using Markov codes

#15
20180359052
2018-12-13

Method and apparatus of processing a digitally encoded radio signal

#16
20180321902
2018-11-08

Soft decision audio decoding system

#17
20180253353
2018-09-06

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

#18
20180034484
2018-02-01

Non-binary decoding using tensor product transforms

#19
20170163379
2017-06-08

Wireless communication device and method

#20
20170068506
2017-03-09

Soft decision audio decoding system

#21
20170004033
2017-01-05

Controller for a solid-state drive, and related solid-state

#22
20160191083
2016-06-30

Data detector with extended states

#23
20160182093
2016-06-23

Soft decision decoding method and system thereof

#24
20150149860
2015-05-28

Iterative data storage read channel architecture

#25
20150052419
2015-02-19

Error correction capability improvement in the presence of hard bit errors

#26
20150033095
2015-01-29

Buffer management in a turbo equalization system

#27
20150033093
2015-01-29

Advance clocking scheme for ECC in storage

#28
20150026541
2015-01-22

Iterative decoding for cascaded LDPC and TCM coding

#29
20140380123
2014-12-25

Memory quality monitor based compensation method and apparatus

#30
20140258809
2014-09-11

Systems and methods for decoding with late reliability information

#31
20140195877
2014-07-10

LDPC decoding with on the fly error recovery

#32
20140157077
2014-06-05

Decoder based data recovery

#33
20140115431
2014-04-24

Systems and methods for positive feedback short media defect detection

#34
20140115430
2014-04-24

Systems and methods for iterative data processing using feedback iteration

#35
20140068394
2014-03-06

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

#36
20140068372
2014-03-06

Systems and methods for local iteration randomization in a data decoder

#37
20140033001
2014-01-30

Quality based priority data processing with soft guaranteed iteration

#38
20140032996
2014-01-30

Decoding apparatus, storage apparatus, and decoding method

#39
20130339816
2013-12-19

Conserving computing resources during error correction

#40
20130335850
2013-12-19

Initialization for decoder-based filter calibration

#41
20130290811
2013-10-31

Memory quality monitor based compensation method and apparatus

#42
20130182347
2013-07-18

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

#43
20130086455
2013-04-04

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

#44
20130073922
2013-03-21

Method and apparatus for improved performance of iterative decoders on channels with memory

#45
20130016799
2013-01-17

Detection of radio signals in a receiver

#46
20120210197
2012-08-16

Apparatus and method for decoding in communication system

#47
20120198304
2012-08-02

INFORMATION REPRODUCTION APPARATUS AND INFORMATION REPRODUCTION METHOD

#48
20120079353
2012-03-29

Memory quality monitor based compensation method and apparatus

#49
20120060074
2012-03-08

Decoder based data recovery

#50
20120042228
2012-02-16

Bitwise reliability indicators from survivor bits in Viterbi decoders

#51
20110264983
2011-10-27

Signal processing device, signal processing method, and signal reproducing apparatus

#52
20110246136
2011-10-06

Methods and apparatus for computing a probability value of a received value in communication or storage systems

#53
20110185264
2011-07-28

LDPC decoding with on the fly error recovery

#54
20110182385
2011-07-28

METHOD AND APPARATUS FOR RELIABILITY-AIDED PRUNING OF BLIND DECODING RESULTS

#55
20110173518
2011-07-14

Apparatus and method for determining reliability of decoded data in communication system

#56
20110167323
2011-07-07

Error-Correcting Apparatus and Method Thereof

#57
20100269026
2010-10-21

Error pattern generation for trellis-based detection and/or decoding

#58
20100268996
2010-10-21

Systems and methods for predicting failure of a storage medium

#59
20100070834
2010-03-18

Soft output viterbi detector with error event output

#60
20090110124
2009-04-30

Soft decision enhancement

#61
20080072126
2008-03-20

Programmable trellis decoder and associated methods

#62
20070234185
2007-10-04

Fault tolerant decoding method and apparatus

#63
20070234171
2007-10-04

Fault tolerant decoding method and apparatus including use of quality information

#64
20060026494
2006-02-02

Modified soft output Viterbi algorithm for truncated trellis

#65
20050204256
2005-09-15

Turbo product code implementation and decoding termination method and apparatus

#66
20050204255
2005-09-15

Cyclic redundancy check based message passing in turbo product code decoding

#67
20050094748
2005-05-05

Calculating apparatus and method for use in a maximum likelihood detector and/or decoder

#68
15157289
2018-08-21

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

#69
14310673
2016-07-19

Methods and apparatus for error recovery in memory systems employing iterative codes

#70
14161354
2016-03-22

Method and apparatus for error correction