HU220832B1 - Dekódoló és eljárás végbites, rácsszerűen összefűzött, M-szintű kóddal kódolt információ dekódolására - Google Patents

Dekódoló és eljárás végbites, rácsszerűen összefűzött, M-szintű kóddal kódolt információ dekódolására Download PDF

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Publication number
HU220832B1
HU220832B1 HU9901431A HUP9901431A HU220832B1 HU 220832 B1 HU220832 B1 HU 220832B1 HU 9901431 A HU9901431 A HU 9901431A HU P9901431 A HUP9901431 A HU P9901431A HU 220832 B1 HU220832 B1 HU 220832B1
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HU
Hungary
Prior art keywords
probability
time
state
decoder
elements
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HU9901431A
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English (en)
Hungarian (hu)
Inventor
John Bailey Anderson
Stephen Michael Hladik
Original Assignee
General Electric Co.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by General Electric Co. filed Critical General Electric Co.
Publication of HUP9901431A2 publication Critical patent/HUP9901431A2/hu
Publication of HUP9901431A3 publication Critical patent/HUP9901431A3/hu
Publication of HU220832B1 publication Critical patent/HU220832B1/hu

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3723—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using means or methods for the initialisation of the decoder
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/3905—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
    • H03M13/3933—Decoding in probability domain
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/3905—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
    • H03M13/3938—Tail-biting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—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
    • H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
    • H03M13/615—Use of computational or mathematical techniques
    • H03M13/616—Matrix operations, especially for generator matrices or check matrices, e.g. column or row permutations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/6583—Normalization other than scaling, e.g. by subtraction

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  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Computing Systems (AREA)
  • Error Detection And Correction (AREA)
HU9901431A 1996-04-19 1997-04-14 Dekódoló és eljárás végbites, rácsszerűen összefűzött, M-szintű kóddal kódolt információ dekódolására HU220832B1 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/636,742 US5721746A (en) 1996-04-19 1996-04-19 Optimal soft-output decoder for tail-biting trellis codes
PCT/US1997/006201 WO1997040583A1 (en) 1996-04-19 1997-04-14 An optimal soft-output decoder for tail-biting trellis codes

Publications (3)

Publication Number Publication Date
HUP9901431A2 HUP9901431A2 (hu) 1999-08-30
HUP9901431A3 HUP9901431A3 (en) 1999-12-28
HU220832B1 true HU220832B1 (hu) 2002-05-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HU9901431A HU220832B1 (hu) 1996-04-19 1997-04-14 Dekódoló és eljárás végbites, rácsszerűen összefűzött, M-szintű kóddal kódolt információ dekódolására

Country Status (21)

Country Link
US (1) US5721746A (2)
EP (1) EP0834223A1 (2)
JP (1) JP3801211B2 (2)
KR (1) KR100531584B1 (2)
CN (1) CN1132320C (2)
AR (1) AR006722A1 (2)
AU (1) AU716761B2 (2)
BR (1) BR9702311A (2)
CA (1) CA2221137C (2)
CZ (1) CZ296383B6 (2)
HU (1) HU220832B1 (2)
ID (1) ID17231A (2)
IL (1) IL122526A (2)
MX (1) MX9710511A (2)
MY (1) MY125447A (2)
NO (1) NO975967L (2)
PL (1) PL182511B1 (2)
RU (1) RU2179367C2 (2)
UA (1) UA42841C2 (2)
WO (1) WO1997040583A1 (2)
ZA (1) ZA973213B (2)

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Also Published As

Publication number Publication date
ZA973213B (en) 1997-11-14
CZ296383B6 (cs) 2006-03-15
CA2221137A1 (en) 1997-10-30
RU2179367C2 (ru) 2002-02-10
MX9710511A (es) 1998-03-31
AR006722A1 (es) 1999-09-08
CN1189936A (zh) 1998-08-05
JP3801211B2 (ja) 2006-07-26
PL323523A1 (en) 1998-03-30
EP0834223A1 (en) 1998-04-08
JPH11508440A (ja) 1999-07-21
AU716761B2 (en) 2000-03-09
IL122526A (en) 2003-10-31
AU2801997A (en) 1997-11-12
NO975967D0 (no) 1997-12-18
ID17231A (id) 1997-12-11
IL122526A0 (en) 1998-06-15
HUP9901431A3 (en) 1999-12-28
WO1997040583A1 (en) 1997-10-30
CA2221137C (en) 2004-10-12
CZ407497A3 (cs) 1998-06-17
PL182511B1 (pl) 2002-01-31
KR19990028216A (ko) 1999-04-15
HUP9901431A2 (hu) 1999-08-30
MY125447A (en) 2006-08-30
CN1132320C (zh) 2003-12-24
BR9702311A (pt) 1999-02-02
NO975967L (no) 1998-02-03
KR100531584B1 (ko) 2006-04-20
US5721746A (en) 1998-02-24
UA42841C2 (uk) 2001-11-15

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