Performance Analysis of Relay Systems in an Interference-Limited Environment

In this paper, the authors analyze the outage performance of relay-enhanced cellular systems in an interference-limited environment, where the Co-Channel Interference (CCI) is a crucial factor that governs the overall system performance as compared to an AWGN (Additive White Gaussian Noise). Furthermore, the relay station and destination are subject to the different but arbitrary number of CCIs on each node. Assuming that the interference channels are statistically independent and non-identically distributed (, they derive the outage probabilities for Amplify-and-Forward (AF) and Decode-and-Forward (DF) relay systems. They show that the statistics obtained from their analyzes, e.g., Probability Density Function (PDF) and Cumulative Density Function (CDF), including the outage probability, closely coincide with simulation results.

Provided by: Institute of Electrical and Electronics Engineers Topic: Mobility Date Added: May 2011 Format: PDF

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