Performance analysis of the dual hop asymmetric fading channel

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Suraweera, Himal, Smith, Peter J and Karagiannidis, G. K (2009) Performance analysis of the dual hop asymmetric fading channel. IEEE Transactions on Wireless Communications, 8 (6). pp. 2783-2788. ISSN 1536-1276


In real wireless communication environments, it is highly likely that different channels associated with a relay network could experience different fading phenomena. In this paper, we investigate the end-to-end performance of a dualhop fixed gain relaying system when the source-relay and the relay-destination channels experience Rayleigh/Rician and Rician/Rayleigh fading scenarios respectively. Analytical expressions for the cumulative distribution function of the end-to-end signal-to-noise ratio are derived and used to evaluate the outage probability and the average bit error probability of M-QAM modulations. Numerical and simulation results are presented to illustrate the impact of the Rician factor on the end-toend performance. Furthermore, these results confirm that the system exhibits an improved performance in a Rician/Rayleigh (source-relay link/relay-destination link) environment compared to a Rayleigh/Rician environment.

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Item type Article
DOI 0.1109/TWC.2009.080420
Official URL
Subjects Historical > Faculty/School/Research Centre/Department > Centre for Telecommunications and Micro-Electronics (CTME)
Historical > FOR Classification > 1005 Communications Technologies
Historical > SEO Classification > 8901 Communication Networks and Services
Keywords ResPubID18348, wireless relays, amplify-and-forward, rayleigh fading, rician fading, outage probability, average bit error probability
Citations in Scopus 130 - View on Scopus
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