Maximizing LoS MIMO capacity using reconfigurable antenna arrays

Michail Matthaiou, Akbar M. Sayeed, Josef A. Nossek

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Scopus citations

Abstract

The presence of line-of-sight (LoS) components is usually regarded as a limiting factor for multiple-input multiple-output (MIMO) systems due to the lower multiplexing gains compared to the prevalent independent and identically (i.i.d.) Rayleigh fading model. In this paper, we present a versatile methodology for maximizing LoS-MIMO capacity at any operating signal-to-noise ratio (SNR) by capitalizing on some recent results in two areas: i) design of optimized LoS MIMO configurations and ii) MIMO capacity maximization with reconfigurable antenna arrays. Our theoretical and numerical results demonstrate that by simply adjusting the antenna spacing as a function of SNR, significant capacity gains are achievable. In the following, the implications of the model parameters on the system performance are also assessed.

Original languageEnglish
Title of host publication2010 International ITG Workshop on Smart Antennas, WSA 2010
Pages14-19
Number of pages6
DOIs
StatePublished - 2010
Event2010 International ITG Workshop on Smart Antennas, WSA 2010 - Bremen, Germany
Duration: 23 Feb 201024 Feb 2010

Publication series

Name2010 International ITG Workshop on Smart Antennas, WSA 2010

Conference

Conference2010 International ITG Workshop on Smart Antennas, WSA 2010
Country/TerritoryGermany
CityBremen
Period23/02/1024/02/10

Keywords

  • Antenna arrays
  • MIMO systems
  • Reconfigurable configurations
  • Ricean fading

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