Antenna selection for multiple-antenna transmission systems

Performance analysis and code construction

Israfil Bahceci, Tolga M. Duman, Yucel Altunbasak

Research output: Contribution to journalArticle

139 Citations (Scopus)

Abstract

This correspondence studies antenna selection for wireless communications systems that employ multiple transmit and receive antennas. We assume that 1) the channel is characterized by quasi-static Rayleigh flat fading, and the subchannels fade independently, 2) the channel state information (CSI) is exactly known at the receiver, 3) the selection is available only at the receiver, and it is based on the instantaneous signal-to-noise ratio (SNR) at each receiver antenna, and 4) space-time codes are used at the transmitter. We analyze the performance of such systems by deriving explicit upper bounds on the pairwise error probability (PEP). This performance analysis shows that 1) by selecting the set of antennas that observe the largest instantaneous SNR, one can achieve the same diversity gain as the one obtained by using all the receive antennas, provided that the underlying space-time code has full spatial diversity, and 2) in the case of rank-deficient space-time codes, the diversity gain may be dramatically reduced when antennas selection is used. However, we emphasize that in both cases the coding gain is reduced with antenna selection compared to the full complexity system. Based on the upper bounds derived, we describe code design principles suitable for antenna selection. Specifically, for systems with two transmit antennas, we design space-time codes that perform better than the known ones when antenna selection is employed. Finally, we present numerical examples and simulation results that validate our analysis and code design principles.

Original languageEnglish (US)
Pages (from-to)2669-2681
Number of pages13
JournalIEEE Transactions on Information Theory
Volume49
Issue number10
DOIs
StatePublished - Oct 2003

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Antennas
Space time codes
performance
recipient
Signal to noise ratio
communication system
coding
Distance education
Channel state information
simulation
time
Transmitters
Communication systems

Keywords

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

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Information Systems

Cite this

Antenna selection for multiple-antenna transmission systems : Performance analysis and code construction. / Bahceci, Israfil; Duman, Tolga M.; Altunbasak, Yucel.

In: IEEE Transactions on Information Theory, Vol. 49, No. 10, 10.2003, p. 2669-2681.

Research output: Contribution to journalArticle

Bahceci, Israfil ; Duman, Tolga M. ; Altunbasak, Yucel. / Antenna selection for multiple-antenna transmission systems : Performance analysis and code construction. In: IEEE Transactions on Information Theory. 2003 ; Vol. 49, No. 10. pp. 2669-2681.
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