Zhang, Zhengquan and Ma, Zheng and Xiao, Ming and Karagiannidis, George K. and Ding, Zhiguo and Fan, Pingzhi (2016) Two-timeslot two-way full-duplex relaying for 5G wireless communication networks. IEEE Transactions on Communications, 64 (7). pp. 2873-2887. ISSN 0090-6778
Abstract
We propose a novel two-timeslot two-way full-duplex (FD) relaying scheme, in which the access link and the backhaul link are divided in the time domain, and we study the average end-to-end rate and the outage performance. According to the user equipment capability and services, we investigate two scenarios: three-node I- and four-node Y-relaying channels. Among various relaying protocols, the well-known amplify-and-forward and decode-and-forward are considered. Closed-form expressions for the average end-to-end rate and the outage probability, under the effect of residual self-interference and inter-user interference, are presented. The results show that the proposed two-timeslot two-way FD relaying scheme can achieve higher rate and better outage performance than the half-duplex one, when residual self-interference is below a certain level. Therefore, this relaying scheme presents a reasonable tradeoff between performance and complexity, and so, it could be efficiently used in the fifth-generation wireless networks.