Space-time coding over correlated fading channels with antenna selection

Israfil Bahceci, Yucel Altunbasak, Tolga M. Duman

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

In a previous paper by Bahceci et al., antenna selection for multiple-antenna transmission systems under the assumption that the subchannels between antenna pairs fade independently was studied. In this paper, the performance of such systems when the subchannels experience correlated fading is considered. It is assumed that the channel-state information (CSI) is available only at the receiver, the antenna selection is performed only at the receiver, and the selection is based on the instantaneous received signal power. The effects of channel correlations on the diversity and coding gain when the receiver system is a subset of the antennas are quantified. Theoretical results indicate that the correlations in the channel do not degrade the diversity order, provided that the channel is full rank. However, it does result in some performance loss in the coding gain.

Original languageEnglish (US)
Pages (from-to)34-39
Number of pages6
JournalIEEE Transactions on Wireless Communications
Volume5
Issue number1
DOIs
StatePublished - Jan 1 2006

Keywords

  • Antenna selection
  • Diversity
  • Multiple-antenna communications
  • Multiple-input-multiple-output (MIMO) systems
  • Pairwise error probability (PEP)
  • Space-time coding, spatial fading correlation

ASJC Scopus subject areas

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

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