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In this paper, the authors study the error performance of two-way Amplify-and-Forward (AF) relaying over independent but not necessarily identically distributed Rayleigh fading channels, in the presence of co-channel interfering signals affecting the network nodes. Closed-form expressions for the Cumulative Distribution Function (CDF) of the Signal-to-Interference-plus Noise Ratio (SINR) and for the error probability are presented. Furthermore, an approximate expression for the error probability is provided and analyzed. Simulations are performed to confirm the exactness of their theoretical analysis, and discussed along with numerical results based on said analysis.
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