ClassID:

222855

H03M13/3905 - 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 Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding

Sub-classes:
Recent Application in this class:
#1
20240223214
2024-07-04

LDPC ENCODING AND DECODING METHOD

#2
20240038318
2024-02-01

Read-write method and apparatus for LEPS soft decoding estimation, and electronic device

#3
20220337269
2022-10-20

Block code encoding and decoding methods, and apparatus therefor

#4
20210320673
2021-10-14

Error correction circuit and operating method thereof

#5
20190173498
2019-06-06

System and methods for low complexity list decoding of turbo codes and convolutional codes

#6
20190173497
2019-06-06

System and methods for low complexity list decoding of turbo codes and convolutional codes

#7
20190132009
2019-05-02

Polar code successive cancellation list decoding

#8
20190087265
2019-03-21

Memory system and method of controlling nonvolatile memory

#9
20180268176
2018-09-20

RFID Systems with Low Complexity Implementation and Pallet Coding Error Correction

#10
20180123616
2018-05-03

DECODING METHOD FOR CONVOLUTIONAL CODE DECODING DEVICE IN COMMUNICATION SYSTEM AND ASSOCIATED DETERMINATION MODULE

#11
20170364715
2017-12-21

Methods for Recovering RFID Data Based Upon Probability Using an RFID Receiver

#12
20170134120
2017-05-11

Cycle slip resilient coded modulation for fiber-optic communications

#13
20170134053
2017-05-11

Fixed point conversion of LLR values based on correlation

#14
20160204803
2016-07-14

Decoding method for convolutionally coded signal

#15
20160087651
2016-03-24

System and method for decoding variable length codes

#16
20150381211
2015-12-31

Multimode decoder implementation method and device

#17
20150339189
2015-11-26

Fixed point conversion of LLR values based on correlation

#18
20150278015
2015-10-01

Flash memory read error recovery with soft-decision decode

#19
20150236717
2015-08-20

System and methods for low complexity list decoding of turbo codes and convolutional codes

#20
20150169909
2015-06-18

Methods for recovering RFID data based upon probability using an RFID receiver

#21
20140347762
2014-11-27

Combined soft detection/soft decoding in tape drive storage channels

#22
20140310580
2014-10-16

Cyclic decoding for cascaded forward error-correction FEC codes

#23
20140289583
2014-09-25

Decoding apparatus, decoding method, and decoding program for use in quantum error correction

#24
20140281789
2014-09-18

Adaptive multi-core, multi-direction turbo decoder and related decoding method thereof

#25
20140281762
2014-09-18

System and method for random noise generation

#26
20140281128
2014-09-18

Decoding data stored in solid-state memory

#27
20140250352
2014-09-04

Systems and Methods for Signal Reduction Based Data Processor Marginalization

#28
20140240863
2014-08-28

Max-Log-MAP equivalence log likelihood ratio generation soft Viterbi architecture system and method

#29
20140226766
2014-08-14

Apparatus and method for decoding maximum a posteriori

#30
20140223260
2014-08-07

Memory channel detector systems and methods

#31
20140218172
2014-08-07

RFID systems with low complexity implementation and pallet coding error correction

#32
20140164868
2014-06-12

Flash memory read error recovery with soft-decision decode

#33
20140049411
2014-02-20

State metrics based stopping criterion for turbo-decoding

#34
20140046995
2014-02-13

Parallel implementation of maximum a posteriori probability decoder

#35
20140006909
2014-01-02

Error correction encoding method, decoding method and associated devices

#36
20140006895
2014-01-02

Error correction encoding method, decoding method and associated devices

#37
20130283134
2013-10-24

Communication system with blind decoding mechanism and method of operation thereof

#38
20130283127
2013-10-24

Combined soft detection/soft decoding in tape drive storage channels

#39
20130283120
2013-10-24

Decoding apparatus with de-interleaving efforts distributed to different decoding phases and related decoding method thereof

#40
20130279040
2013-10-24

Combined soft detection/soft decoding in tape drive storage channels

#41
20130275841
2013-10-17

Decoding method and decoder

#42
20130155541
2013-06-20

Detector pruning control system

#43
20130147608
2013-06-13

Methods for recovering RFID data based upon probability using an RFID receiver

#44
20130143554
2013-06-06

Two-step searcher for cell discovery

#45
20130142289
2013-06-06

Parallel implementation of maximum a posteriori probability decoder

#46
20130142273
2013-06-06

Adaptive path selection for interference cancellation

#47
20130142238
2013-06-06

HIGH RESOLUTION SYMBOL TIMING TRACKING

#48
20130142223
2013-06-06

Detecting format of a transport channel

#49
20130142221
2013-06-06

HIGH PERFORMANCE WINDOW SEARCHER FOR CELL MEASUREMENT

#50
20130142190
2013-06-06

Synchronization channel interference cancellation

#51
20130142057
2013-06-06

Control Channel Acquisition

#52
20130141257
2013-06-06

TURBO DECODER METRICS INITIALIZATION

#53
20130120867
2013-05-16

Methods and apparatus for map detection with reduced complexity

#54
20130091398
2013-04-11

Optimum signal constellation design for high-speed optical transmission

#55
20130080844
2013-03-28

Systems and methods for efficient data shuffling in a data processing system

#56
20130077663
2013-03-28

Processor for processing digital data with pipelined butterfly operator for the execution of an FFT/IFFT and telecommunication device

#57
20130073922
2013-03-21

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

#58
20130016799
2013-01-17

Detection of radio signals in a receiver

#59
20120324307
2012-12-20

Systems and methods for retimed virtual data processing

#60
20120284585
2012-11-08

Systems and methods for queue based data detection and decoding

#61
20120254679
2012-10-04

Systems and methods for enhanced media defect detection

#62
20120192028
2012-07-26

Iterative decoding of signals received over a noisy channel using forward and backward recursions with warm-up initialization

#63
20120185755
2012-07-19

Method for performing soft decision decoding of Euclidean space Reed-Muller codes

#64
20120134325
2012-05-31

Branch metrics calculation for multiple communications standards

#65
20120106683
2012-05-03

METHOD AND APPARATUS FOR PARALLEL TURBO DECODING IN LONG TERM EVOLUTION SYSTEM (LTE)

#66
20120093266
2012-04-19

Apparatus and method for trellis-based detection in a communication system

#67
20120066566
2012-03-15

Accessing memory during parallel turbo decoding

#68
20120030536
2012-02-02

Initializing decoding metrics

#69
20110292849
2011-12-01

SMU architecture for turbo decoder

#70
20110271166
2011-11-03

Pipeline architecture for maximum a posteriori (MAP) decoders

#71
20110264983
2011-10-27

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

#72
20110246859
2011-10-06

Methods and apparatus for computing soft data or log likelihood ratios for received values in communication or storage systems

#73
20110246136
2011-10-06

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

#74
20110197112
2011-08-11

Max-log-map equivalence log likelihood ratio generation soft viterbi architecture system and method

#75
20110173507
2011-07-14

Interleaving/de-interleaving method, soft-in/soft-out decoding method and error correction code encoder and decoder utilizing the same

#76
20110119566
2011-05-19

Method and apparatus for evaluating performance of a read channel

#77
20110116583
2011-05-19

System and method for encoding and decoding information signals using a priori information

#78
20110075287
2011-03-31

System and method for map detector for symbol based error correction codes

#79
20110047436
2011-02-24

Turbo decoder employing ARP (almost regular permutation) interleave and arbitrary number of decoding processors

#80
20110041028
2011-02-17

Systems and methods for retimed virtual data processing

#81
20110029837
2011-02-03

Systems and methods for phase dependent data detection in iterative decoding

#82
20110022926
2011-01-27

Memory-efficient storage method: a fast BJCR based decoder implementation scheme

#83
20110019781
2011-01-27

Device and method for calculating backward state metrics of a trellis

#84
20100332954
2010-12-30

Systems and methods for out of order Y-sample memory management

#85
20100310019
2010-12-09

RFID receiver

#86
20100246359
2010-09-30

Joint DC minimization and bit detection

#87
20100226033
2010-09-09

Systems and methods for enhanced media defect detection

#88
20100185924
2010-07-22

Method and apparatus for evaluating performance of a read channel

#89
20100174963
2010-07-08

Method and device for decoding LDPC encoded codewords with a fast convergence speed

#90
20100169745
2010-07-01

Soft output decoder, iterative decoder, and soft decision value calculating method

#91
20100162077
2010-06-24

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

#92
20100146360
2010-06-10

Unified decoder for convolutional, turbo, and LDPC codes

#93
20100091914
2010-04-15

Iterative decoding

#94
20100070819
2010-03-18

Channel adaptive iterative turbo decoder system and method

#95
20090327836
2009-12-31

Decoding method for convolution code and decoding device

#96
20090327834
2009-12-31

Device having turbo decoding capabilities and a method for turbo decoding

#97
20090327832
2009-12-31

DECODER AND RECORDING/REPRODUCING DEVICE

#98
20090285320
2009-11-19

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#99
20090276689
2009-11-05

Using short burst error detector in a queue-based system

#100
20090273492
2009-11-05

Systems and methods for queue based data detection and decoding

#101
20090268575
2009-10-29

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

#102
20090217142
2009-08-27

Rate control adaptable communications

#103
20090185643
2009-07-23

Methods and apparatus for map detection with reduced complexity

#104
20090177945
2009-07-09

Polarization mode dispersion compensation using BCJR equalizer and iterative LDPC decoding

#105
20090175389
2009-07-09

Methods and systems for turbo decoding in a wireless communication system

#106
20090132897
2009-05-21

Reduced state soft output processing

#107
20090103653
2009-04-23

State metrics memory reduction in a turbo decoder implementation

#108
20090074116
2009-03-19

Iterative decoding

#109
20090074112
2009-03-19

Method for operating a software radio receiver and software radio receiver

#110
20090067554
2009-03-12

High throughput and low latency map decoder

#111
20090041166
2009-02-12

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

#112
20090019332
2009-01-15

SISO decoder with sub-block processing and sub-block based stopping criterion

#113
20080313524
2008-12-18

Recording format for information date, information recording/reproducing cording circuit

#114
20080285671
2008-11-20

Adaptive MaxLogMAP-type receiver structures

#115
20080267323
2008-10-30

Sliding block traceback decoding of block codes

#116
20080222498
2008-09-11

Sequential decoding method and apparatus thereof

#117
20080208939
2008-08-28

Decoder device and decoding method

#118
20080197982
2008-08-21

RFID system with low complexity implementation and pallet coding error correction

#119
20080177895
2008-07-24

Serial concatenated convolutional code decoder

#120
20080168333
2008-07-10

Decoding method and decoding apparatus as well as program

#121
20080151704
2008-06-26

Readback apparatus and readback method

#122
20080130784
2008-06-05

Coding device, decoding device, transmitter and receiver

#123
20080123781
2008-05-29

Apparatus and method using reduced memory for channel decoding in a software-defined radio system

#124
20080109701
2008-05-08

Turbo interference suppression in communication systems

#125
20080104488
2008-05-01

Sliding window method and apparatus for soft input/soft output processing

#126
20080104486
2008-05-01

Decoder and reproducing device

#127
20080104482
2008-05-01

Turbo decoder employing ARP (almost regular permutation) interleave and arbitrary number of decoding processors

#128
20080092011
2008-04-17

Turbo decoding apparatus

#129
20080075204
2008-03-27

Decoding method and system for real-time wireless channel estimation

#130
20080063104
2008-03-13

Search efficient MIMO trellis decoder

#131
20080043878
2008-02-21

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#132
20080024335
2008-01-31

Local Erasure Map Decoder

#133
20080019468
2008-01-24

SOFT SAMPLE SCALING IN A TURBO DECODER

#134
20080002657
2008-01-03

Interleaver interface for a software-defined radio system

#135
20070288833
2007-12-13

Communication channel with Reed-Solomon encoding and single parity check

#136
20070276895
2007-11-29

Low-voltage CMOS circuits for analog decoders

#137
20070234187
2007-10-04

Scheduling pipelined state update for high-speed trellis processing

#138
20070198899
2007-08-23

LOW COMPLEXITY CHANNEL DECODERS

#139
20070177696
2007-08-02

Map decoder with bidirectional sliding window architecture

#140
20070165453
2007-07-19

Reconfigurable bit-manipulation node

#141
20070162837
2007-07-12

Method and arrangement for decoding a convolutionally encoded codeword

#142
20070162836
2007-07-12

Arithmetic circuit

#143
20070162833
2007-07-12

Reconfigurable bit-manipulation node

#144
20070139229
2007-06-21

Method and apparatus for encoding blocks of data with a blocks oriented code and for decoding such blocks with a controllable latency decoding, in particular for a wireless communication system of the WLAN or WPAN type

#145
20070124655
2007-05-31

Apparatus and method for a collision-free parallel turbo decoder in a software-defined radio system

#146
20070118791
2007-05-24

Pipeline architecture for maximum a posteriori (MAP) decoders

#147
20070116092
2007-05-24

Relay station and method for enabling reliable digital communications between two nodes in a wireless relay based network

#148
20070113144
2007-05-17

Decoding apparatus and decoding method

#149
20070096873
2007-05-03

RFID receiver

#150
20070061666
2007-03-15

Method and system for interleaving in a parallel turbo decoder

#151
20070055919
2007-03-08

Embedded state metric storage for MAP decoder of turbo codes

#152
20070044001
2007-02-22

Single stage implementation of min*, max*, min and/or max to perform state metric calculation in SISO decoder

#153
20070033510
2007-02-08

Turbo decoder employing simplified log-MAP decoding

#154
20070011595
2007-01-11

Communication decoder employing single trellis to support multiple code rates and/or multiple modulations

#155
20070008855
2007-01-11

Iterative stripewise trellis-based symbol detection method and device for multi-dimensional recording systems

#156
20060274860
2006-12-07

Wireless communications apparatus

#157
20060251184
2006-11-09

Parallel concatenated code with soft-in-soft-out interactive turbo decoder

#158
20060227691
2006-10-12

Iterative stripwise trellis-based symbol detection method and device for multi-dimensional recording systems

#159
20060222090
2006-10-05

System and method for encoding and decoding information signals using a priori information

#160
20060206697
2006-09-14

System and method for trellis-based decoding

#161
20060195772
2006-08-31

Method and apparatus for evaluating performance of a read channel

#162
20060176945
2006-08-10

Decoding device and decoding method

#163
20060156207
2006-07-13

Signal decoding methods and apparatus

#164
20060120244
2006-06-08

Decoding device and method, program recording medium, and program using modulation code encoded in accordance with a variable length table

#165
20060107161
2006-05-18

Flexible rate and punctured zigzag codes

#166
20060075273
2006-04-06

Efficient backward recursion for computing posterior probabilities

#167
20060039509
2006-02-23

Method for decoding data using windows of data

#168
20060026493
2006-02-02

Method and apparatus for reliable resynchronization of sequential decoders

#169
20060023816
2006-02-02

Sliding-window decoder with prolog-windows having flexibel sizes

#170
20060005111
2006-01-05

Pipeline architecture for maximum a posteriori (MAP) decoders

#171
20060004901
2006-01-05

Low-voltage CMOS circuits for analog decoders

#172
20050278611
2005-12-15

High-speed turbo decoding apparatus and method thereof

#173
20050278605
2005-12-15

Encoder system, a decoder system, a coding/decoding apparatus, an encoding method and a decoding method

#174
20050278603
2005-12-15

Combined turbo-code/convolutional code decoder, in particular for mobile radio systems

#175
20050273687
2005-12-08

Apparatus and method for turbo decoding using a variable window size

#176
20050240647
2005-10-27

Full CMOS min-sum analog iterative decoders

#177
20050238122
2005-10-27

Data detector system

#178
20050198551
2005-09-08

Method for processing a signal using an approximate map algorithm and corresponding uses

#179
20050172204
2005-08-04

Turbo decoder, turbo decoding method, and operating program of same

#180
20050172203
2005-08-04

Decoder and method for performing decoding operation using map algorithm in mobile communication system

#181
20050172200
2005-08-04

Turbo-code decoding using variably set learning interval and sliding window

#182
20050166128
2005-07-28

Method for decoding data sequence encoded with aid of binary convolution code

#183
20050149836
2005-07-07

Maximum a posteriori probability decoding method and apparatus

#184
20050122877
2005-06-09

Information reproduction apparatus and method using maximum likelihood decoding

#185
20050102600
2005-05-12

High data rate communication system for wireless applications

#186
20050091566
2005-04-28

Method of blindly detecting a transport format of an incident convolutional encoded signal, and corresponding convolutional code decoder

#187
20050052293
2005-03-10

Soft-output decoder with computation decision unit

#188
20050031053
2005-02-10

Decoding method and apparatus

#189
20050022090
2005-01-27

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#190
20050021555
2005-01-27

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#191
20050015705
2005-01-20

Parallel concatenated code with soft-in soft-out interactive turbo decoder

#192
20050010854
2005-01-13

Unified serial/parallel concatenated convolutional code decoder architecture and method

#193
13651853
2015-07-07

State metrics memory reduction in a turbo decoder implementation

#194
13006359
2014-08-26

Systems and methods for a turbo decoder in a universal mobile telecommunication system (UMTS)