ClassID:

222881

H03M13/4169 - 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 implementing path management using traceback

Sub-classes:
Recent Application in this class:
#1
20200028526
2020-01-23

Convolutional code decoder and convolutional code decoding method

#2
20190268026
2019-08-29

Iterative equalization using non-linear models in a soft-input soft-output trellis

#3
20180351580
2018-12-06

Convolutional decoder and method of decoding convolutional codes

#4
20180198558
2018-07-12

Sequence detector

#5
20180062790
2018-03-01

Sequence detector

#6
20180013868
2018-01-11

Reinforced list decoding

#7
20180013447
2018-01-11

Convolutional decoder and method of decoding convolutional codes

#8
20170359089
2017-12-14

Tailless convolutional codes

#9
20170331585
2017-11-16

Tail biting convolutional code (TBCC) enhancement with state propagation and list decoding

#10
20170155474
2017-06-01

Wireless receiver

#11
20160321071
2016-11-03

Processor and method for executing wide operand multiply matrix operations

#12
20160218752
2016-07-28

Iterative equalization using non-linear models in a soft-input soft-output trellis

#13
20150244499
2015-08-27

Split radio architecture

#14
20130266096
2013-10-10

Viterbi decoder for decoding convolutionally encoded data stream

#15
20130185616
2013-07-18

Method and device for implementing Viterbi decoding

#16
20130173888
2013-07-04

Processor for executing wide operand operations using a control register and a results register

#17
20130124947
2013-05-16

Tail-biting convolutional decoder and decoding method

#18
20130107993
2013-05-02

Technique for processing encoded information in a wireless communication network

#19
20130039448
2013-02-14

Multi-channel sequential Viterbi decoder

#20
20130010901
2013-01-10

Method and system for decoding single antenna interference cancellation (SAIC) and redundancy processing adaptation using burst process

#21
20120324318
2012-12-20

Processor instructions to accelerate Viterbi decoding

#22
20120311302
2012-12-06

Apparatus and method for processing operations in parallel using a single instruction multiple data processor

#23
20120210197
2012-08-16

Apparatus and method for decoding in communication system

#24
20120192041
2012-07-26

Pre-decoded tail-biting convolutional code decoder and decoding method thereof

#25
20120151304
2012-06-14

Decoding tail-biting convolutional codes

#26
20120151285
2012-06-14

Method for detecting the validity of downlink control information in telecommunication user equipment, decoder and baseband receiver for performing same

#27
20120063490
2012-03-15

CONVOLUTIONALLY ENCODING AND DECODING MULTIPLE DATA STREAMS

#28
20120042229
2012-02-16

Multi-standard viterbi processor

#29
20120039423
2012-02-16

Method and system for decoding control data in GSM-based systems using inherent redundancy

#30
20110283170
2011-11-17

Viterbi decoder and writing and reading method

#31
20110235757
2011-09-29

Decoding method and decoding device

#32
20110211660
2011-09-01

Multi-channel sequential Viterbi decoder

#33
20110211659
2011-09-01

Low-latency viterbi survivor memory architecture and method using register exchange, trace-back, and trace-forward

#34
20110138259
2011-06-09

High performance digital signal processing in software radios

#35
20110083063
2011-04-07

Continuous parallel Viterbi decoder

#36
20110002420
2011-01-06

Method and system for decoding single antenna interference cancellation (SAIC) and redundancy processing adaptation using burst process

#37
20100299583
2010-11-25

Optimized Viterbi decoder and GNSS receiver

#38
20100278287
2010-11-04

List Output Viterbi Deconder with Blockwise ACS and Traceback

#39
20100269026
2010-10-21

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

#40
20100260267
2010-10-14

Reducing equalizer error propagation with a low complexity soft output viterbi decoder

#41
20100229076
2010-09-09

Decoding Apparatus and Decoding Method

#42
20100223537
2010-09-02

Method and system for decoding video, voice, and speech data using redundancy

#43
20100217958
2010-08-26

Select-and-insert instruction within data processing systems

#44
20100211858
2010-08-19

Scalable VLIW processor for high-speed viterbi and trellis coded modulation decoding

#45
20100135142
2010-06-03

Viterbi detector and information reproducing apparatus

#46
20100085163
2010-04-08

Decoding scheme for RFID reader

#47
20100034325
2010-02-11

Low-power predecoding based viterbi decoding

#48
20100034324
2010-02-11

Reduced complexity viterbi decoding

#49
20100002793
2010-01-07

METHOD AND APPARATUS FOR CODING RELATING TO A FORWARD LOOP

#50
20090238311
2009-09-24

Reverse Viterbi and forward serial list Viterbi decoding for FER

#51
20090193323
2009-07-30

Apparatus and method for decoding in mobile communication system

#52
20090183055
2009-07-16

CONVOLUTIONAL DECODING

#53
20090113185
2009-04-30

Processor for executing multiply matrix instructions requiring wide operands

#54
20090113176
2009-04-30

Computer system for executing switch and table translate instructions requiring wide operands

#55
20090100318
2009-04-16

Four-stage pipeline based VDSL2 Viterbi decoder

#56
20090100227
2009-04-16

Processor architecture with wide operand cache

#57
20090089649
2009-04-02

Programmable compute unit with internal register and bit FIFO for executing Viterbi code

#58
20090083498
2009-03-26

Method for performing computations using wide operands

#59
20090077451
2009-03-19

Method and apparatus for implementing decode operations in a data processor

#60
20090049367
2009-02-19

Viterbi traceback initial state index initialization for partial cascade processing

#61
20090031105
2009-01-29

Processor and method for executing instructions requiring wide operands for multiply matrix operations

#62
20080259758
2008-10-23

Partial Response Maximum Likelihood Decoding

#63
20080250303
2008-10-09

Viterbi decoder and method thereof

#64
20080229073
2008-09-18

Address calculation instruction within data processing systems

#65
20080178063
2008-07-24

Generic, reduced state, maximum likelihood decoder

#66
20080178062
2008-07-24

Reduced state trellis decoder using programmable trellis parameters

#67
20080112514
2008-05-15

Method and system for performing Viterbi decoding using a reduced trellis memory

#68
20080104375
2008-05-01

System and software for performing matrix multiply extract operations

#69
20080098288
2008-04-24

Forward decision aided nonlinear Viterbi detector

#70
20080072129
2008-03-20

COMMUNICATIONS DIGITAL SIGNAL PROCESSOR AND DIGITAL SIGNAL PROCESSING METHOD

#71
20080072128
2008-03-20

Distributed ring control circuits for Viterbi traceback

#72
20080072126
2008-03-20

Programmable trellis decoder and associated methods

#73
20070242740
2007-10-18

Reducing equalizer error propagation with a low complexity soft output Viterbi decoder

#74
20070230606
2007-10-04

Viterbi traceback

#75
20070223629
2007-09-27

Viterbi pack instruction

#76
20070205921
2007-09-06

Four-Symbol Parallel Viterbi Decoder

#77
20070201586
2007-08-30

MULTI-RATE VITERBI DECODER

#78
20070183539
2007-08-09

Viterbi decoding circuit and wireless device

#79
20070180352
2007-08-02

Memory system and method for use in trellis-based decoding

#80
20070168846
2007-07-19

Data decoding apparatus and method in a communication system

#81
20070168845
2007-07-19

VITERBI DECODER

#82
20070113161
2007-05-17

CASCADED RADIX ARCHITECTURE FOR HIGH-SPEED VITERBI DECODER

#83
20070113160
2007-05-17

Convolutional decoding

#84
20070106926
2007-05-10

Viterbi decoding method and apparatus for high speed data transmissions

#85
20070104296
2007-05-10

Viterbi decoding apparatus

#86
20060262832
2006-11-23

Convolutionally encoding and decoding multiple data streams

#87
20060256897
2006-11-16

Viterbi pretraceback for partial cascade processing

#88
20060245526
2006-11-02

Apparatus and method for Viterbi decoding

#89
20060242531
2006-10-26

Method for decoding tail-biting convolutional codes

#90
20060236214
2006-10-19

Method and apparatus for implementing decode operations in a data processor

#91
20060209995
2006-09-21

Viterbi decoder

#92
20060195773
2006-08-31

Viterbi decoder architecture for use in software-defined radio systems

#93
20060168502
2006-07-27

Decoder with M-AT-A-Time Traceback

#94
20060168501
2006-07-27

Viterbi decoder for executing trace-back work in parallel and decoding method

#95
20060161834
2006-07-20

Error correction decoder

#96
20060143554
2006-06-29

Scalable traceback technique for channel decoder

#97
20060120488
2006-06-08

Method and system for decoding control data in GSM-based systems using inherent redundancy

#98
20060115079
2006-06-01

Method and system for decoding single antenna interference cancellation (SAIC) and redundancy processing adaptation using burst process

#99
20060115023
2006-06-01

Apparatus and method for decoding and trace back of convolution codes using the viterbi decoding algorithm

#100
20060085730
2006-04-20

Distributed ring control circuits for Viterbi traceback

#101
20060072687
2006-04-06

Decoding circuit and decoding method for a Viterbi decoder

#102
20060050813
2006-03-09

Method and system for decoding video, voice, and speech data using redundancy

#103
20060048037
2006-03-02

Method of and apparatus for implementing a reconfigurable trellis-type decoding

#104
20060020875
2006-01-26

Multi-rate viterbi decoder

#105
20060010188
2006-01-12

Method of and apparatus for implementing fast orthogonal transforms of variable size

#106
20050257123
2005-11-17

Memory management algorithm for trellis decoders

#107
20050182999
2005-08-18

Viterbi decoder with survivor bits stored to support look-ahead addressing

#108
20050163233
2005-07-28

Communications digital signal processor and digital signal processing method

#109
20050163195
2005-07-28

Method for determining signal quality of simultaneously received multiple channels of data

#110
20050149838
2005-07-07

Unified viterbi/turbo decoder for mobile communication systems

#111
20050147189
2005-07-07

Trellis decoder and method of decoding

#112
20050141629
2005-06-30

HDTV trellis decoder architecture

#113
20050138535
2005-06-23

Method and system for branch metric calculation in a viterbi decoder

#114
20050034051
2005-02-10

Reconfigurable Viterbi/turbo decoder

#115
20050010855
2005-01-13

Reduced complexity decoding for trellis coded modulation

#116
17090540
2021-11-02

Parallel backtracking in Viterbi decoder

#117
15616954
2018-06-05

Sequence detection

#118
13852926
2015-09-01

Fixed-point detector pruning for constrained codes

#119
13776848
2015-03-10

Error event processing methods and systems