Performance analysis of mobile radio systems over composite fading/shadowing channels with co-located interference

Authors:
Imène Trigui;Amine Laourine;Sofiène Affes;Alex Stéphenne
Affiliations:
Wireless Lab, Centre Energie, Matériaux, et Télécommunications, Institut National de la Recherche Scientifique, Montréal, Qc, Canada;School of Electrical and Computer Engineering, Cornell University, Ithaca, NY;Wireless Lab, Centre Energie, Matériaux, et Télécommunications, Institut National de la Recherche Scientifique, Montréal, Qc, Canada;Wireless Lab, Centre Energie, Matériaux, et Télécommunications, Institut National de la Recherche Scientifique, Montréal, Qc, Canada
Venue:
IEEE Transactions on Wireless Communications
Year:
2009

Citing 2
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Abstract

This paper presents an analytical framework for performance evaluation of mobile radio systems operating in composite fading/shadowing channels in the presence of co-located co-channel interference. The desired user and the interferers are subject to Nakagami fading superimposed on gamma shadowing. The paper starts by presenting generic closed-form expressions for the signal-to-interference ratio (SIR) probability density function (pdf). From this pdf, closed-form expressions for the outage probability, the average bit error rate and the channel capacity are obtained in both cases of statistically identical interferers and multiple interferers with different parameters. The newly derived closed-form expressions of the aforementioned metrics allow us to easily assess the effects of the different channel and interference parameters. It turns out that the system performance metrics are predominantly affected by the fading parameters of the desired user, rather than by the fading parameters of the interferers.