A compact performance analysis of generalized selection combining with independent but nonidentically distributed Rayleigh fading paths

Marvin K. Simon*, Mohamed-Slim Alouini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

We derive a compact expression for the moment-generating function (MGF) of the output of a generalized selection combiner for independent but nonidentically distributed Rayleigh fading paths which is then used to derive a single integral expression for the symbol error probability of, for example, M-PSK. Because of the simple product form of the MGF and its ability to be expressed as a partial fraction expansion, we are then able to invert this function to derive the probability density function and cumulative distribution function of the combiner output from which the outage probability can then be evaluated in closed form. An example, of the latter is given for an exponentially decaying power delay profile.

Original languageEnglish (US)
Pages (from-to)1409-1412
Number of pages4
JournalIEEE Transactions on Communications
Volume50
Issue number9
DOIs
StatePublished - Sep 1 2002

Keywords

  • Communication system performance
  • Diversity combining
  • Fading channels

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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