Exact capture probability analysis of GSC receivers over i.n.d. Rayleigh fading channels

Sungsik Nam, Hongchuan Yang, Mohamed-Slim Alouini, Dongin Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

A closed-form expression of the capture probability of generalized selection combining (GSC) RAKE receivers was introduced in [1]. The idea behind this new performance metric is to quantify how the remaining set of uncombined paths affects the overall performance both in terms of loss in power and increase in interference levels. In this previous work, the assumption was made that the fading is both independent and identically distributed from path to path. However, the average strength of each path is different in reality. In order to derive a closed-form expression of the capture probability over independent and non-identically distributed (i.n.d.) fading channels, we need to derive the joint statistics of ordered non-identical exponential variates. With this motivation in mind, we first provide in this paper some new order statistics results in terms of both moment generating function (MGF) and probability density function (PDF) expressions under an i.n.d. assumption and then derive a new exact closed-form expression for the capture probability GSC RAKE receivers in this more realistic scenario. © 2013 IEEE.
Original languageEnglish (US)
Title of host publication2013 IEEE International Symposium on Information Theory
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages56-60
Number of pages5
ISBN (Print)9781479904464
DOIs
StatePublished - Jul 2013

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