Title: Dual-hop transmission with semi-blind amplify-and-forward relays over generalised η-μ fading channels
Authors: Osamah S. Badarneh
Addresses: Department of Electrical Engineering, University of Tabuk, Tabuk, KSA, Saudi Arabia
Abstract: In this paper, we present a study on the end-to-end performance of dual-hop wireless communication systems equipped with semi-blind amplify-and-forward (AF) relays. Channels between source/relay terminals and relay/destination terminals are assumed to be independent, but not necessarily identically distributed, η-μ fading. Novel expressions for the Moment Generating Function (MGF), outage probability (OP) and generalised moments of the end-to-end Signal-to-Noise Ratio (SNR) are explicitly derived. The influence of power imbalance, fading parameters, and average SNR between the hops on the overall system performance (in terms of average end-to-end SNR, OP, and average bit error rate) is studied through several representative numerical examples. The accuracy of the proposed mathematical analysis is verified via computer simulations.
Keywords: amplify-and-forward relays; dual-hop transmission; fading channels; performance analysis; semi-blind relaying; wireless communications; eta-mu fading; moment generating function; outage probability; end-to-end SNR; signal-to-noise ratio; power imbalance; bit error rate; BER; simulation.
International Journal of Wireless and Mobile Computing, 2014 Vol.7 No.5, pp.448 - 455
Received: 18 Sep 2012
Accepted: 31 Aug 2013
Published online: 15 Sep 2014 *