On the diversity order of space-time trellis codes with receive antenna selection over fast fading channels

Abdollah Sanei, All Ghrayeb, Yousef Shayan, Tolga M. Duman

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this paper, we study the performance of spacetime trellis codes (STTCs) with receive antenna selection over fast fading channels. Specifically, we derive upper bounds on the pairwise-error probability (PEP) with antenna selection. In performing the selection, we adopt a criterion that is based on using L out of the available M receive antennas that result in maximizing the instantaneous signal-to-noise ratio (SNR) at the receiver, where L ≤ M. We show that the diversity order resulting from antenna selection deteriorates significantly and is actually dictated by the number of selected antennas. The implication of this result is that adding more receive antennas, while maintaining the same number of selected ones, will have no impact on the diversity order, but it does, however, provide some additional coding gain. This is unlike the case for quasi-static fading channels in which the diversity order is always preserved with antenna selection when the underlying STTC is full-rank. We present numerical examples that support our analysis.

Original languageEnglish
Article number1673064
Pages (from-to)1579-1585
Number of pages7
JournalIEEE Transactions on Wireless Communications
Volume5
Issue number7
DOIs
Publication statusPublished - 1 Jul 2006

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Keywords

  • Antenna selection
  • Fast fading
  • MIMO systems
  • Pairwise error probability

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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