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Outage Performance for Two-Way Relaying with Co-Channel Interference and Channel Estimation Error

—In this paper, we consider the outage performance of a two-way decode-and-forward relaying network in the presence of multiple strong interferers at the source/destination terminals and channel estimation errors. We define the signalto-noise ratios and signal-to-interference ratios and then use them to derive closed-form expressions for the outage probability of the system under the symmetrical and asymmetrical cases that the received powers at the relay from both terminals are the same and different. Our analysis shows that the existence of the channel estimation errors and the interferers affects the outage performance. Simulation results demonstrate that our analytical results are in excellent agreement with the Monte Carlo simulations.