Beamforming with antenna correlation in two hop amplify and forward relay networks

  • Authors:

  • Raymond H. Y. Louie;Yonghui Li;Himal A. Suraweera;Branka Vucetic

  • Affiliations:

  • Telecommunications Lab, School of Electrical and Information Engineering, University of Sydney and Wireless Technologies Laboratory, ICT Centre, CSIRO, Sydney, Australia;Telecommunications Lab, School of Electrical and Information Engineering, University of Sydney, Australia;School of Electrical Engineering, Victoria University, Melbourne, Australia;Telecommunications Lab, School of Electrical and Information Engineering, University of Sydney, Australia

  • Venue:
  • WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
  • Year:
  • 2009

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Abstract

In this paper, we consider a two hop Amplify and Forward (AF) multiple-input multiple-output (MIMO) relay network with antenna correlation, where beamforming is performed at the source and destination. This network consists of a single relay which is used to amplify and forward the signal from the source to the destination. The source and destination are both equipped with multiple antennas, which are correlated in space, while the relay has a single antenna. In this paper, we derive closed form expressions for the outage probability and probability density function of the received signal-to-noise ratio at the destination. We also present exact symbol error rate expressions for the two hop AF MIMO relay network, and show that the full spatial diversity order can be achieved.