Full length article: Performance analysis of multiuser diversity with antenna selection in MIMO MRC systems

  • Authors:
  • David Haccoun;Mohammad Torabi;Wessam Ajib

  • Affiliations:
  • Department of Electrical Engineering, ícole Polytechnique de Montréal, Canada;Department of Electrical Engineering, ícole Polytechnique de Montréal, Canada;Department of Computer Science, Université du Québec í Montréal, Canada

  • Venue:
  • Physical Communication
  • Year:
  • 2010

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Abstract

This paper presents a performance analysis of a user scheduling scheme for multiuser multiple-input-multiple-output (MIMO) systems with maximum ratio combining (MRC) and transmit antenna selection exploiting the multiuser and antenna diversities over independent and non-identically distributed (i.ni.d.) Rayleigh fading channels (heterogeneous case). A normalized SNR-based scheduling scheme that can guarantee user fairness is considered and new closed-form expressions for the outage probability, average channel capacity, and average bit error rate are derived. The system performance in the homogenous case (independent and identically distributed (i.i.d.) users) can be simply obtained from the derived expressions as a special case of the heterogenous case. Using the derived analytical expressions the system performances for both heterogenous and homogeneous cases are evaluated and compared. Finally, the impact of receiver antenna correlation on the system performance is evaluated.