• DocumentCode
    1794395
  • Title

    Pilot-aided log-likelihood ratio for LDPC coded M-QAM CO-OFDM system

  • Author

    Shengjiao Cao ; Pooi-Yuen Kam ; Changyuan Yu

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
  • fYear
    2014
  • fDate
    9-13 March 2014
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    Pilot-aided log-likelihood ratio as well as its approximation are derived for LDPC coded M-QAM CO-OFDM system with consideration of laser phase noise. Our metric performs better than the conventional metric in 16QAM and 64QAM simulation.
  • Keywords
    OFDM modulation; laser noise; modulation coding; optical modulation; parity check codes; phase noise; quadrature amplitude modulation; 16QAM; 64QAM; LDPC coded M-QAM CO-OFDM system; coherent optical OFDM; laser phase noise; low density parity check codes; pilot aided log-likelihood ratio; quadrature amplitude modulation; Bit error rate; Decoding; Laser noise; Measurement; OFDM; Parity check codes; Phase noise;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical Fiber Communications Conference and Exhibition (OFC), 2014
  • Conference_Location
    San Francisco, CA
  • Print_ISBN
    978-1-5575-2994-7
  • Type

    conf

  • DOI
    10.1364/OFC.2014.W3J.1
  • Filename
    6887151
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1794395