Performance of cooperative diversity systems in non-Gaussian environments

Nasri A, Schober R (2010)


Publication Type: Conference contribution

Publication year: 2010

Journal

Conference Proceedings Title: IEEE International Conference on Communications

Event location: Cape Town ZA

ISBN: 9781424464043

DOI: 10.1109/ICC.2010.5501893

Abstract

Cooperative diversity (CD) systems have received significant attention recently as a distributed means of exploiting the inherent spatial diversity of wireless networks. In this paper, we consider a CD system where a source transmits to a destination via multiple single-hop amplify and forward (AF) relays. In particular, we provide a mathematical framework for the asymptotic analysis of this system in general non-Gaussian noise and interference for high signal-to-noise ratios (SNRs). Assuming independent Rayleigh fading for all links in the network, we obtain simple and elegant closed-form expressions for the asymptotic symbol error rate (SER) and bit error rate (BER) valid for arbitrary linear modulation formats, arbitrary numbers of relays, and arbitrary non-Gaussian noise and interference with finite moments. Furthermore, exploiting the derived analytical results, we introduce a new relay selection criterion for non-Gaussian environments. Simulation results confirm our analysis and illustrate that, in non-Gaussian noise, the proposed relay selection criterion can lead to large performance gains compared to the conventional relay selection criterion which was optimized for Gaussian noise. ©2010 Crown.

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How to cite

APA:

Nasri, A., & Schober, R. (2010). Performance of cooperative diversity systems in non-Gaussian environments. In IEEE International Conference on Communications. Cape Town, ZA.

MLA:

Nasri, Amir, and Robert Schober. "Performance of cooperative diversity systems in non-Gaussian environments." Proceedings of the 2010 IEEE International Conference on Communications, ICC 2010, Cape Town 2010.

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