• DocumentCode
    810764
  • Title

    Code-aided SNR estimation based on expectation maximisation algorithm

  • Author

    Wu, N. ; Wang, H. ; Kuang, J.-M.

  • Author_Institution
    Dept. of Electron. Eng., Beijing Inst. of Technol., Beijing
  • Volume
    44
  • Issue
    15
  • fYear
    2008
  • Firstpage
    924
  • Lastpage
    925
  • Abstract
    A code-aided signal-to-noise ratio (SNR) estimator based on the expectation maximisation algorithm is proposed. The method iteratively uses the soft information from the channel decoder and significantly improves estimation precision in the low SNR regime. It can be extended to higher-order modulation such as MPSK and MQAM directly.
  • Keywords
    AWGN channels; channel coding; channel estimation; expectation-maximisation algorithm; iterative decoding; AWGN channel; MPSK; MQAM; channel decoder; code-aided SNR estimation; expectation maximisation algorithm; higher-order modulation; iterative method;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20081216
  • Filename
    4568716
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=810764