Two hop amplify-and-forward transmission in mixed rayleigh and Rician fading channels

Authors:
Himal A. Suraweera;Raymond H. Y. Louie;Yonghui Li;George K. Karagiannidis;Branka Vucetic
Affiliations:
Center for Telecommunications and Microelectronics, Victoria University, Melbourne, Victoria, Australia;Telecommunication Lab, School of Electrical and Information Engineering, University of Sydney, Sydney, NSW, Australia;Telecommunication Lab, School of Electrical and Information Engineering, University of Sydney, Sydney, NSW, Australia;Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Greece;Telecommunication Lab, School of Electrical and Information Engineering, University of Sydney, Sydney, NSW, Australia
Venue:
IEEE Communications Letters
Year:
2009

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Abstract

The performance of a two hop amplify-and-forward relay system, where the source-relay and the relay-destination channels experience Rayleigh and Rician fading respectively, is investigated. We derive exact and lower bound expressions for the outage probability and average bit error probability, where the bounds become tight at high signal-to-noise ratios (SNR). Our results are verified through comparison with Monte Carlo simulations, where we also illustrate the positive impact of the Rician factor on the system performance.