Triple selection diversity over exponentially correlated Nakagami-m fading channels desired signal and cochannel interference

Authors:
Mihajlo Stefanovic;Dragana Krstic;Stefan Panic;Aleksandar Mosic
Affiliations:
Department of Telecommunications, Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Department of Telecommunications, Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Department of Telecommunications, Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Department of Telecommunications, Faculty of Electronic Engineering, University of Nis, Nis, Serbia
Venue:
DNCOCO'08 Proceedings of the 7th conference on Data networks, communications, computers
Year:
2008

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Abstract

In this paper, system performances of selection combining over correlated Nakagami-m channels are analyzed. Selection diversity based on the signal to interference ratio (SIR) is a very efficient technique that reduces fading and cochannel interference influence. Fading between the diversity branches and between interferers is correlated and Nakagami-m distributed with exponential correlation model. Very useful closed-form expressions for the output SIR's probability density function (PDF), cumulative distribution function (CDF), and outage probability are obtained, which is main contribution of this paper.