ClassID:

222871

H03M13/3994 - 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 state pinning or decision forcing, i.e. the decoded sequence is forced through a particular trellis state or a particular set of trellis states or a particular decoded symbol

Recent Application in this class:
#1
20250202508
2025-06-19

COMPUTER SYSTEM AND METHOD FOR ARITHMETIC DECODING

#2
20220321149
2022-10-06

Soft-decision decoding

#3
20180212630
2018-07-26

Encoder device, decoder device, and methods thereof

#4
20180018243
2018-01-18

Decoding device and method using context redundancy

#5
20170264316
2017-09-14

Apparatus and method for determining log likelihood values of nodes in communication system supporting low density parity check code

#6
20160182093
2016-06-23

Soft decision decoding method and system thereof

#7
20160087651
2016-03-24

System and method for decoding variable length codes

#8
20140201595
2014-07-17

Resolving trapping sets

#9
20140019824
2014-01-16

Resolving trapping sets

#10
20130290817
2013-10-31

Method for correcting messages containing bit stuffing

#11
20130290806
2013-10-31

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

#12
20130155541
2013-06-20

Detector pruning control system

#13
20130114766
2013-05-09

Decoding technique for tail-biting codes

#14
20130013984
2013-01-10

EXPLOITING KNOWN PADDING DATA TO IMPROVE BLOCK DECODE SUCCESS RATE

#15
20120325126
2012-12-27

Disaster-proof data safe for housing functional electronic data processing, storage and communications systems

#16
20120254706
2012-10-04

Method and apparatus relating to channel decoding

#17
20120170678
2012-07-05

Methods and apparatus for trellis-based modulation encoding

#18
20120096336
2012-04-19

Transmission apparatus reception apparatus and communication system

#19
20120028684
2012-02-02

RADIO COMMUNICATION DEVICE AND ERROR CORRECTION/ENCODING METHOD

#20
20110191653
2011-08-04

Quasi-cyclic LDPC encoding and decoding for non-integer multiples of circulant size

#21
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

#22
20110113309
2011-05-12

System and method for decoding a message using a priori information

#23
20110029826
2011-02-03

Systems and methods for re-using decoding parity in a detector circuit

#24
20110007835
2011-01-13

DIGITAL BROADCASTING TRANSMITTER, RECEIVER AND METHODS FOR PROCESSING STREAM THEREOF

#25
20100269026
2010-10-21

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

#26
20100199145
2010-08-05

Method and apparatus for turbo encoding

#27
20100070819
2010-03-18

Channel adaptive iterative turbo decoder system and method

#28
20100020904
2010-01-28

Exploiting known padding data to improve block decode success rate

#29
20090316823
2009-12-24

Methods and systems for improving frame decoding performance using known information

#30
20090307560
2009-12-10

Coding apparatus, coding processing target sequence forming method and viterbi decoding apparatus

#31
20090239585
2009-09-24

Method and apparatus relating to channel decoding

#32
20090177951
2009-07-09

Methods and systems for a-priori decoding based on MAP messages

#33
20090175389
2009-07-09

Methods and systems for turbo decoding in a wireless communication system

#34
20090175388
2009-07-09

Decoding scheme using A-priori information about transmitted messages

#35
20090135938
2009-05-28

Trellis-based decoder using states of reduced uncertainty

#36
20090113270
2009-04-30

Data processing method of decoding coded data and data processor for the same

#37
20090041166
2009-02-12

Method and apparatus to improve information decoding when its characteristics are known a priori

#38
20090022249
2009-01-22

Digital broadcast receiving device

#39
20080267323
2008-10-30

Sliding block traceback decoding of block codes

#40
20080072123
2008-03-20

Iterative decoder employing multiple external code error checks to lower the error floor

#41
20080056400
2008-03-06

Method and system for improving the performance of a trellis-based decoder

#42
20080034274
2008-02-07

Decoder and decoding method in consideration of input message characteristics

#43
20070234190
2007-10-04

Viterbi decoding apparatus and Viterbi decoding method

#44
20070230630
2007-10-04

Exploiting known padding data to improve block decode success rate

#45
20070229344
2007-10-04

Receive circuit

#46
20070220408
2007-09-20

Decoding a concatenated convolutional-encoded and block encoded signal

#47
20070198888
2007-08-23

Hard-decision iteration decoding based on an error-correcting code with a low undetectable error probability

#48
20070124654
2007-05-31

Method for decoding a received control channel message with a priori information

#49
20050204256
2005-09-15

Turbo product code implementation and decoding termination method and apparatus

#50
20050204255
2005-09-15

Cyclic redundancy check based message passing in turbo product code decoding

#51
20050185740
2005-08-25

Turbo decoder

#52
20050052293
2005-03-10

Soft-output decoder with computation decision unit

#53
13871520
2015-12-08

Methods, algorithms, software, circuits, receivers and systems for decoding convolutional code