• DocumentCode
    2849016
  • Title

    Low complexity soft differential decoding of QPSK for forward error correction in coherent optic receivers

  • Author

    Kuschnerov, M. ; Calabrò, S. ; Piyawanno, K. ; Spinnler, B. ; Alfiad, M.S. ; Napoli, A. ; Lankl, B.

  • Author_Institution
    Univ. of the Fed. Armed Forces Munich, Munich, Germany
  • fYear
    2010
  • fDate
    19-23 Sept. 2010
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    Coherent systems based on QPSK rely on differential encoding to avoid catastrophic error propagation. A simple solution for soft differential decoding is presented that limits the penalty after FEC to 0.75dB, similar to pre-FEC binary differential decoding.
  • Keywords
    decoding; encoding; forward error correction; optical receivers; quadrature phase shift keying; QPSK; catastrophic error propagation; coherent optic receivers; coherent systems; differential encoding; forward error correction; low complexity soft differential decoding; pre-FEC binary differential decoding; Bit error rate; Decoding; Encoding; Forward error correction; Iterative decoding; Phase shift keying; Quantization;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
  • Conference_Location
    Torino
  • Print_ISBN
    978-1-4244-8536-9
  • Electronic_ISBN
    978-1-4244-8534-5
  • Type

    conf

  • DOI
    10.1109/ECOC.2010.5621498
  • Filename
    5621498
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2849016