• DocumentCode
    1145656
  • Title

    A family of irregular LDPC codes with low encoding complexity

  • Author

    Johnson, Sarah J. ; Weller, Steven R.

  • Author_Institution
    Sch. of Electr. Eng. & Comput. Sci., Univ. of Newcastle, Callaghan, NSW, Australia
  • Volume
    7
  • Issue
    2
  • fYear
    2003
  • Firstpage
    79
  • Lastpage
    81
  • Abstract
    We consider irregular quasi-cyclic low-density parity-check (LDPC) codes derived from difference families. The resulting codes can be encoded with low complexity and perform well when iteratively decoded with the sum-product algorithm.
  • Keywords
    computational complexity; cyclic codes; iterative decoding; parity check codes; difference families; irregular LDPC codes; iterative decoding; low encoding complexity; quasi-cyclic low-density parity-check codes; sum-product algorithm; sum-product decoding; Algebra; Australia; Communication industry; Computational complexity; Encoding; Equations; Iterative decoding; Parity check codes; Sparse matrices; Sum product algorithm;
  • fLanguage
    English
  • Journal_Title
    Communications Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1089-7798
  • Type

    jour

  • DOI
    10.1109/LCOMM.2002.808375
  • Filename
    1178893