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http://dx.doi.org/10.7840/KICS.2012.37B.2.87

Performance Bounds of an Amplify-and-Forward Relay System with Multiple Rayleigh-faded Co-channel Interferers  

Ryu, Hyun-Seok (고려대학교 전기전자전파공학부 무선정보시스템공학 연구실)
Kang, Chung-G. (고려대학교 전기전자전파공학부 무선정보시스템공학 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.37, no.2B, 2012 , pp. 87-96 More about this Journal
Abstract
In this paper, we consider a 2-hop relay system where both the relay and destination nodes suffer from the arbitrary number of co-channel interferers. More specifically, assuming that the relay and access channels as well as interference channels are all subject to Rayleigh fading, we derive an exact closed-form expression for outage probability of the amplify-and-forward (AF) relay system, and furthermore compute its upper and lower bounds. Based on these bounds, we derive the upper and lower bounds on the average bit error rate (BER) of the AF relay system. We also confirm the accuracy of our derivation by investigating the performance gap between the performance bounds under consideration and simulation results.
Keywords
Interference-limited system; amplify-and-forward relaying; outage probability; average bit error rate;
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