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Outage Performance of Opportunistic Amplify-and-Forward Relaying over Asymmetric Fading Environments

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Author(s): Sudhan Majhi | Youssef Nasser | Jean Francois Helard

Journal: International Journal of Communications, Network and System Sciences
ISSN 1913-3715

Volume: 03;
Issue: 05;
Start page: 430;
Date: 2010;
Original page

Keywords: Outage Probability | Opportunistic Relaying | Amplify-and-Forward Relaying | Rayleigh and Rician Fading Channels | Asymmetric Fading Channels | Independent and Non-Identically Distributed

ABSTRACT
This letter analyzes the outage probability of opportunistic amplify-and-forward relaying over asymmetric and independent but non-identically distributed (i.n.d) fading environments. The work investigates the scenarios where cooperative nodes are located at different geographical locations. As a result, the different signals are affected by different i.n.d fading channels, one may undergo Rician fading distribution and others may undergo Rayleigh fading distribution. In this letter, a lower bound of the outage probability for various asymmetric fading environments is derived at high SNR by applying the initial value theorem. The analytical model is validated through Monte-Carlo simulation results.
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