• DocumentCode
    745762
  • Title

    Maximum likelihood estimation of OFDM carrier frequency offset

  • Author

    Chen, Biao

  • Author_Institution
    Dept. of Electr. Eng. & Comput. Sci., Syracuse Univ., NY, USA
  • Volume
    9
  • Issue
    4
  • fYear
    2002
  • fDate
    4/1/2002 12:00:00 AM
  • Firstpage
    123
  • Lastpage
    126
  • Abstract
    We develop a maximum likelihood estimate for orthogonal frequency division multiplexing (OFDM) carrier frequency offset in the presence of virtual carriers. It is found that the resulting estimate has an identical form to that of a previously proposed blind OFDM carrier frequency offset estimate by Liu and Tureli (see IEEE Commun. Lett., vol.2, p.104-106, 1998). Insights are provided as to why these two algorithms are equivalent.
  • Keywords
    OFDM modulation; fading channels; maximum likelihood estimation; multipath channels; signal classification; MUSIC-like algorithm; blind OFDM carrier frequency offset estimate; broadband wireless communications; intuitive projection argument; maximum likelihood estimation; multiplexing multipath fading; orthogonal frequency division multiplexing; virtual carriers; Delay effects; Discrete Fourier transforms; Fading; Frequency division multiplexing; Frequency estimation; Frequency synchronization; Maximum likelihood estimation; OFDM modulation; Robustness; Wireless LAN;
  • fLanguage
    English
  • Journal_Title
    Signal Processing Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1070-9908
  • Type

    jour

  • DOI
    10.1109/97.1001648
  • Filename
    1001648