Outage Probability of an AF Full-Duplex Physical-Layer Network Coding System

Jebur, BA; Tsimenidis, CC; Johnston, M; Chambers, J

doi:10.1109/EUSIPCO.2016.7760564

Outage Probability of an AF Full-Duplex Physical-Layer Network Coding System

Lookup NU author(s): Bilal Jebur, Professor Harris Tsimenidis, Dr Martin Johnston, Professor Jonathon Chambers

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Abstract

In this paper, we investigate the performance of a full-duplex (FD) physical-layer network coding (FD-PLNC) scheme using amplify-and-forward (AF) relaying and orthogonal frequency-division multiplexing (OFDM) for a two-way relay channel (TWRC) network over reciprocal, asymmetric, and frequency-selective Rayleigh fading channels. Furthermore, the proposed system is integrated with a self-interference cancellation (SIC) scheme to effectively reduce the self-interference (SI). Moreover, the impact of the residual SI on the performance of the proposed AF-FD-PLNC is examined. Closed-form expressions for the distribution of the end-to-end (E2E) signal to interference and noise ratio (SINR) and the outage probability are derived and presented. Furthermore, the analytical outage probability results are validated by simulation studies. The results confirm the feasibility of the proposed AF-FD-PLNC and its capability to double the throughput of conventional amplify-and-forward half-duplex physical-layer network coding (AF-HD-PLNC).