A concurrent blind receiver for STBC over doubly dispersive channels

S. Bendoukha, W.E.A.E. Alhanafy, S. Weiss

Research output: Contribution to conferencePaper

Abstract

Space-time block coding (STBC) achieves the maximum diversity gain of a flat fading multiple input multiple output (MIMO) transmission link. For frequency selective fading, only a few receivers can be found in the literature. These are mainly trained and block based, such as time reversal STBC (TRSTBC). A non-block based blind receiver for STBC over dispersive channels has been derived previously, adding a new term to the cost function of the constant modulus algorithm to orthogonalise the outputs. In this paper a decision directed (DD) equalizer is used concurrently with the CMA receiver to achieve faster convergence. Simulation results demonstrate the benefit of the proposed approach in terms of convergence speed and bit error ratio in a doubly-dispersive scenario.
Original languageEnglish
Pages323-327
Number of pages4
Publication statusPublished - Aug 2009
Event17th European Signal Processing Conference - Glasgow, Scotland
Duration: 24 Aug 200928 Aug 2009

Conference

Conference17th European Signal Processing Conference
CityGlasgow, Scotland
Period24/08/0928/08/09

Keywords

  • space-time block coding
  • concurrent equalization
  • constant modulus
  • blind equalization
  • decision directed
  • selective fading

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    Bendoukha, S., Alhanafy, W. E. A. E., & Weiss, S. (2009). A concurrent blind receiver for STBC over doubly dispersive channels. 323-327. Paper presented at 17th European Signal Processing Conference, Glasgow, Scotland, .