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Performance evaluation of error-forecasting decoding for interleaved codes on Gilbert channels.

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Titel: Performance evaluation of error-forecasting decoding for interleaved codes on Gilbert channels.
Autoren: Sakakibara, Katsumi1, Iwasa, Ritsuko1, Yuba, Yoshiharu1
Quelle: Electronics & Communications in Japan, Part 1: Communications. Apr2000, Vol. 83 Issue 4, p63-72. 10p.
Schlagwörter: *ERROR-correcting codes, *CODING theory, *DECODERS (Electronics), *MARKOV processes, *DIGITAL communications, *TELECOMMUNICATION systems
Abstract: Interleaved codes are constructed from error correcting codes with short code length (component code) as the basic elements and are known to be an effective means for handling burst error. The decoding method for the interleaved codes is usually one in which decoding is carried out independently for the component codes. However, if the error correlation is taken into account, it is clear that error-forecasting decoding can improve the characteristics because the error location of the adjacent component code is considered as a lost location to provide lost error decoding. In this article, the error rate characteristics (the probability of not carrying out the correct decoding for the component codes and the interleaved codes) in a Gilbert channel are theoretically derived for a system in which error-forecasting decoding is used for the interleaved codes. In the analysis, several related Markov chains are derived step by step from a two-state Markov chain for the Gilbert channel, and the generating functions for the probability corresponding to the number of errors and the success in decoding of the component codes are derived. It is shown that the error rate (word error rate) for the component codes and the error rate (frame error rate) for the interleaved codes can be evaluated from the identical generating function. © 1999 Scripta Technica, Electron Comm Jpn Pt 1, 83(4): 63–72, 2000 [ABSTRACT FROM AUTHOR]
Datenbank: Academic Search Index
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  Label: Title
  Group: Ti
  Data: Performance evaluation of error-forecasting decoding for interleaved codes on Gilbert channels.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Sakakibara%2C+Katsumi%22">Sakakibara, Katsumi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Iwasa%2C+Ritsuko%22">Iwasa, Ritsuko</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yuba%2C+Yoshiharu%22">Yuba, Yoshiharu</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Electronics+%26+Communications+in+Japan%2C+Part+1%3A+Communications%22">Electronics & Communications in Japan, Part 1: Communications</searchLink>. Apr2000, Vol. 83 Issue 4, p63-72. 10p.
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  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22ERROR-correcting+codes%22">ERROR-correcting codes</searchLink><br />*<searchLink fieldCode="DE" term="%22CODING+theory%22">CODING theory</searchLink><br />*<searchLink fieldCode="DE" term="%22DECODERS+%28Electronics%29%22">DECODERS (Electronics)</searchLink><br />*<searchLink fieldCode="DE" term="%22MARKOV+processes%22">MARKOV processes</searchLink><br />*<searchLink fieldCode="DE" term="%22DIGITAL+communications%22">DIGITAL communications</searchLink><br />*<searchLink fieldCode="DE" term="%22TELECOMMUNICATION+systems%22">TELECOMMUNICATION systems</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Interleaved codes are constructed from error correcting codes with short code length (component code) as the basic elements and are known to be an effective means for handling burst error. The decoding method for the interleaved codes is usually one in which decoding is carried out independently for the component codes. However, if the error correlation is taken into account, it is clear that error-forecasting decoding can improve the characteristics because the error location of the adjacent component code is considered as a lost location to provide lost error decoding. In this article, the error rate characteristics (the probability of not carrying out the correct decoding for the component codes and the interleaved codes) in a Gilbert channel are theoretically derived for a system in which error-forecasting decoding is used for the interleaved codes. In the analysis, several related Markov chains are derived step by step from a two-state Markov chain for the Gilbert channel, and the generating functions for the probability corresponding to the number of errors and the success in decoding of the component codes are derived. It is shown that the error rate (word error rate) for the component codes and the error rate (frame error rate) for the interleaved codes can be evaluated from the identical generating function. © 1999 Scripta Technica, Electron Comm Jpn Pt 1, 83(4): 63–72, 2000 [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/(SICI)1520-6424(200004)83:4<63::AID-ECJA7>3.0.CO;2-O
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 63
    Subjects:
      – SubjectFull: ERROR-correcting codes
        Type: general
      – SubjectFull: CODING theory
        Type: general
      – SubjectFull: DECODERS (Electronics)
        Type: general
      – SubjectFull: MARKOV processes
        Type: general
      – SubjectFull: DIGITAL communications
        Type: general
      – SubjectFull: TELECOMMUNICATION systems
        Type: general
    Titles:
      – TitleFull: Performance evaluation of error-forecasting decoding for interleaved codes on Gilbert channels.
        Type: main
  BibRelationships:
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      – PersonEntity:
          Name:
            NameFull: Sakakibara, Katsumi
      – PersonEntity:
          Name:
            NameFull: Iwasa, Ritsuko
      – PersonEntity:
          Name:
            NameFull: Yuba, Yoshiharu
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 04
              Text: Apr2000
              Type: published
              Y: 2000
          Identifiers:
            – Type: issn-print
              Value: 87566621
          Numbering:
            – Type: volume
              Value: 83
            – Type: issue
              Value: 4
          Titles:
            – TitleFull: Electronics & Communications in Japan, Part 1: Communications
              Type: main
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