ClassID:

222863

H03M13/395 - 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 a collapsed trellis, e.g. M-step algorithm, radix-n architectures with n>2

Recent Application in this class:
#1
20190007068
2019-01-03

Early-termination of decoding convolutional codes

#2
20160065245
2016-03-03

Electronic system with Viterbi decoder mechanism and method of operation thereof

#3
20150381211
2015-12-31

Multimode decoder implementation method and device

#4
20150026535
2015-01-22

Apparatus and method for generating interleaver index

#5
20140281789
2014-09-18

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

#6
20130311852
2013-11-21

Systems and methods for parallel dual-mode turbo decoders

#7
20130275485
2013-10-17

Technique for optimization and re-use of hardware in the implementation of instructions used in Viterbi and turbo decoding, using carry save arithmetic

#8
20130120867
2013-05-16

Methods and apparatus for map detection with reduced complexity

#9
20120294390
2012-11-22

Method of selecting metrics and receiver using the same

#10
20120198316
2012-08-02

Method and apparatus for storing survivor paths in a viterbi detector using systematic pointer exchange

#11
20120192041
2012-07-26

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

#12
20120166742
2012-06-28

System and method for contention-free memory access

#13
20120144274
2012-06-07

Radix-4 viterbi forward error correction decoding

#14
20120134325
2012-05-31

Branch metrics calculation for multiple communications standards

#15
20120030544
2012-02-02

Accessing Memory for Data Decoding

#16
20110292849
2011-12-01

SMU architecture for turbo decoder

#17
20110026601
2011-02-03

Apparatus and method for decoding signals

#18
20110019781
2011-01-27

Device and method for calculating backward state metrics of a trellis

#19
20100211858
2010-08-19

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

#20
20100085163
2010-04-08

Decoding scheme for RFID reader

#21
20100050060
2010-02-25

Path comparison unit for determining paths in a trellis that compete with a survivor path

#22
20100005372
2010-01-07

METHOD AND APPARATUS FOR IMPROVING TRELLIS DECODING

#23
20100002793
2010-01-07

METHOD AND APPARATUS FOR CODING RELATING TO A FORWARD LOOP

#24
20090319876
2009-12-24

Maximum likelihood decoder and decoding method therefor

#25
20090319875
2009-12-24

Path metric difference computation unit for computing path differences through a multiple-step trellis

#26
20090319874
2009-12-24

Reliability unit for determining a reliability value for at least one bit decision

#27
20090313531
2009-12-17

Methods and apparatus for processing a received signal using a multiple-step trellis and selection signals for multiple trellis paths

#28
20090185643
2009-07-23

Methods and apparatus for map detection with reduced complexity

#29
20090168926
2009-07-02

Methods, apparatus, and systems for determining 1T path equivalency information in an nT implementation of a viterbi decoder

#30
20090100319
2009-04-16

Decoder using a memory for storing state metrics implementing a decoder trellis

#31
20090089556
2009-04-02

High-speed add-compare-select (ACS) circuit

#32
20080247493
2008-10-09

Methods, apparatus, and systems for determining 1T state metric differences in an nT implementation of a viterbi decoder

#33
20080109709
2008-05-08

Hardware-Efficient, Low-Latency Architectures for High Throughput Viterbi Decoders

#34
20070300139
2007-12-27

Unified stopping criteria for binary and duobinary turbo decoding in a software-defined radio system

#35
20070274418
2007-11-29

Method and apparatus for delayed recursion decoder

#36
20070266303
2007-11-15

VITERBI DECODING APPARATUS AND TECHNIQUES

#37
20070205921
2007-09-06

Four-Symbol Parallel Viterbi Decoder

#38
20070180352
2007-08-02

Memory system and method for use in trellis-based decoding

#39
20070136649
2007-06-14

Apparatus and method for computing LLR

#40
20070113161
2007-05-17

CASCADED RADIX ARCHITECTURE FOR HIGH-SPEED VITERBI DECODER

#41
20070076825
2007-04-05

Method and apparatus for storing survivor paths in a Viterbi detector using input-dependent pointer exchange

#42
20070076824
2007-04-05

Method and apparatus for storing survivor paths in a Viterbi detector using systematic pointer exchange

#43
20070044001
2007-02-22

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

#44
20060176945
2006-08-10

Decoding device and decoding method

#45
20060174183
2006-08-03

Method and apparatus for-soft-output viterbi detection using a multiple-step trellis

#46
20060136802
2006-06-22

Hybrid trace back apparatus and high-speed viterbi decoding system using the same

#47
20060067436
2006-03-30

Decoder using a memory for storing state metrics implementing a decoder trellis

#48
20050138534
2005-06-23

Maximum likelihood encoding apparatus, maximum likelihood encoding method, program and reproduction apparatus

#49
20050094748
2005-05-05

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

#50
20050066259
2005-03-24

Viterbi detection apparatus and method therefor

#51
20050060633
2005-03-17

Low-latency architectures for high-throughput Viterbi decoders

#52
20050044474
2005-02-24

Maximum likelihood detector and/or decoder

#53
20050010854
2005-01-13

Unified serial/parallel concatenated convolutional code decoder architecture and method