• DocumentCode
    712361
  • Title

    LDPC codes for optical channels: Is the “FEC limit” a good predictor of post-FEC BER?

  • Author

    Alvarado, Alex ; Agrell, Erik ; Lavery, Domanic ; Bayvel, Polina

  • Author_Institution
    Opt. Networks Group, Univ. Coll. London (UCL), London, UK
  • fYear
    2015
  • fDate
    22-26 March 2015
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    We answer the question in the title negatively. More precisely, the FEC limit is invalid for soft decision decoding and low to medium code rates. A better predictor is the generalized mutual information.
  • Keywords
    decoding; error statistics; forward error correction; optical communication; parity check codes; FEC limit; LDPC codes; forward error correction; generalized mutual information; low to medium code rates; optical channels; post-FEC BER; soft decision decoding; Bit error rate; Decoding; Forward error correction; Modulation; Mutual information; Parity check codes; Receivers;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical Fiber Communications Conference and Exhibition (OFC), 2015
  • Conference_Location
    Los Angeles, CA
  • Type

    conf

  • Filename
    7121706