Cooperative selection diversity with CSI-based amplify-and-forward relaying in Nakagami-m fading channels

  • Authors:
  • Phee Lep Yeoh;Maged Elkashlan;Iain B. Collings

  • Affiliations:
  • University of Sydney, Sydney, New South Wales, Australia;CSIRO ICT Centre, Sydney, New South Wales, Australia;CSIRO ICT Centre, Sydney, New South Wales, Australia

  • Venue:
  • GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
  • Year:
  • 2009

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Abstract

We derive new exact closed-form expressions for the symbol error rate (SER) of cooperative selection diversity (CSD) with amplify-and-forward (AF) transmission using channel-state-information (CSI)-based gain relaying. We consider the general fading condition of independent but not necessarily identically distributed (i.n.d.) Nakagami-m fading. We also present a closed-form expression for i.n.d. Rayleigh fading as a special case. We highlight the impact of the m fading parameter on the SER performance in unbalanced fading conditions. Numerical results substantiate the validity of our analysis.