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Performance of selection combining in cooperative relaying networks over Rayleigh fading channel

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2 Author(s)
Ikki, S. ; Fac. of Eng. & Appl. Sci., Memorial Univ. of Newfoundland, St. John''s, NL ; Ahmed, M.H.

This paper studies the end-to-end performance of cooperative diversity networks equipped with amplify-and-forward (non-regenerative) relays and a selection combining receiver over independent non-identical Rayleigh fading channels. Closed-form expressions for the cumulative distribution function (CDF), the probability density function (PDF) and the moment generating function (MGF) of the end-to-end signal-to-noise ratio (SNR) are derived. Also, closed-form expressions for the outage probability are determined for two cases (channel-state-information-based-gain and fixed-gain relaying). In this paper the error performance is analyzed using the moment generating function. A closed-form expression for the error probability for binary differential phase shift keying is obtained. Furthermore, average SNR, the moments, and amount of fading were obtained by using the MGF.

Published in:

Electrical and Computer Engineering, 2008. CCECE 2008. Canadian Conference on

Date of Conference:

4-7 May 2008