GB2405562B - Improved iterative decoder with performance approximating to a maximum likelihood decoder - Google Patents

Improved iterative decoder with performance approximating to a maximum likelihood decoder

Info

Publication number
GB2405562B
GB2405562B GB0320126A GB0320126A GB2405562B GB 2405562 B GB2405562 B GB 2405562B GB 0320126 A GB0320126 A GB 0320126A GB 0320126 A GB0320126 A GB 0320126A GB 2405562 B GB2405562 B GB 2405562B
Authority
GB
United Kingdom
Prior art keywords
decoder
maximum likelihood
improved iterative
performance approximating
approximating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0320126A
Other versions
GB0320126D0 (en
GB2405562A (en
Inventor
Evangelos Papagiannis
Marcel Ambroze
Martin Tomlinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0320126A priority Critical patent/GB2405562B/en
Publication of GB0320126D0 publication Critical patent/GB0320126D0/en
Publication of GB2405562A publication Critical patent/GB2405562A/en
Application granted granted Critical
Publication of GB2405562B publication Critical patent/GB2405562B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • H04L1/0051—Stopping criteria
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H03M13/2975—Judging correct decoding, e.g. iteration stopping criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
GB0320126A 2003-08-28 2003-08-28 Improved iterative decoder with performance approximating to a maximum likelihood decoder Expired - Fee Related GB2405562B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0320126A GB2405562B (en) 2003-08-28 2003-08-28 Improved iterative decoder with performance approximating to a maximum likelihood decoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0320126A GB2405562B (en) 2003-08-28 2003-08-28 Improved iterative decoder with performance approximating to a maximum likelihood decoder

Publications (3)

Publication Number Publication Date
GB0320126D0 GB0320126D0 (en) 2003-10-01
GB2405562A GB2405562A (en) 2005-03-02
GB2405562B true GB2405562B (en) 2006-03-08

Family

ID=28686453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0320126A Expired - Fee Related GB2405562B (en) 2003-08-28 2003-08-28 Improved iterative decoder with performance approximating to a maximum likelihood decoder

Country Status (1)

Country Link
GB (1) GB2405562B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7609791B2 (en) 2006-04-21 2009-10-27 Telefonaktiebolaget L M Ericsson (Publ) Iterative decoding with intentional SNR/SIR reduction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020136318A1 (en) * 2001-01-16 2002-09-26 Alexei Gorokhov Transmission system for transmitting a multilevel signal
US6510538B1 (en) * 1997-09-19 2003-01-21 Motorola. Inc. Method and apparatus for Viterbi decoding of punctured codes
US6675348B1 (en) * 1999-08-13 2004-01-06 Hughes Electronics Corporation Turbo-like forward error correction encoder and decoder with improved weight spectrum and reduced degradation in the waterfall performance region

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510538B1 (en) * 1997-09-19 2003-01-21 Motorola. Inc. Method and apparatus for Viterbi decoding of punctured codes
US6675348B1 (en) * 1999-08-13 2004-01-06 Hughes Electronics Corporation Turbo-like forward error correction encoder and decoder with improved weight spectrum and reduced degradation in the waterfall performance region
US20020136318A1 (en) * 2001-01-16 2002-09-26 Alexei Gorokhov Transmission system for transmitting a multilevel signal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
John Proakis, "Digital Communications", published 2001, McGraw Hill. See especially pages 693-697. *

Also Published As

Publication number Publication date
GB0320126D0 (en) 2003-10-01
GB2405562A (en) 2005-03-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080828