Performance gains of MIMO signal processing

M. T. Ivrlač, J. A. Nossek

Research output: Contribution to journalArticlepeer-review

Abstract

In order to wisely use the degrees of freedom offered by a multi-input multi-output (MIMO) system it is necessary to identify and quantify the possible gains in performance one can expect from MIMO signal processing. In this paper, we derive measures which allow to quantify the amount of antenna gain, diversity gain, and multiplexing gain of a MIMO system. It turns out that it is impossible to maximize all three gains, or any pair of two gains at the same time. The necessary trade-off between performance gains is demonstrated.

Original languageEnglish
Pages (from-to)210-216
Number of pages7
JournalElektrotechnik und Informationstechnik
Volume122
Issue number6
DOIs
StatePublished - Jun 2005

Keywords

  • Antenna gain
  • Diversity gain
  • MIMO performance measures
  • Multiplexing gain

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