• DocumentCode
    847132
  • Title

    Distance distributions in ensembles of irregular low-density parity-check codes

  • Author

    Litsyn, Simon ; Shevelev, Vladimir

  • Author_Institution
    Dept. of Electr. Eng.-Syst., Tel Aviv Univ., Ramat-Aviv, Israel
  • Volume
    49
  • Issue
    12
  • fYear
    2003
  • Firstpage
    3140
  • Lastpage
    3159
  • Abstract
    We derive asymptotic expressions for the average distance distributions in ensembles of irregular low-density parity-check (LDPC) codes. The ensembles are defined by matrices with given profiles of column and row sums.
  • Keywords
    matrix algebra; maximum likelihood decoding; optimisation; parity check codes; asymptotic expressions; average distance distributions; irregular LDPC codes; low-density parity-check codes; matrix algebra; parameter optimization; Absorption; Helium; Iterative decoding; Mathematics; Maximum likelihood decoding; Maximum likelihood estimation; Parity check codes; Performance analysis; Shape; Strips;
  • fLanguage
    English
  • Journal_Title
    Information Theory, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9448
  • Type

    jour

  • DOI
    10.1109/TIT.2003.820012
  • Filename
    1255541