Maximum likelihood synchronization for OFDM using a pilot symbol: algorithms

  • Authors:
  • A. J. Coulson

  • Affiliations:
  • Commun. Team, Ind. Res. Ltd., Lower Hutt

  • Venue:
  • IEEE Journal on Selected Areas in Communications
  • Year:
  • 2006

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Abstract

The design of a pilot symbol for orthogonal frequency-division multiplexing packet detection and synchronization is presented. Algorithms are described for packet detection and for synchronization using maximum likelihood estimation of channel frequency offset, phase offset for coherent detection, and subsample timing offset. The efficacy of the detection and synchronization algorithms is demonstrated experimentally