Two-timeslot two-way full-duplex relaying for 5G wireless communication networks

Zhengquan Zhang, Zheng Ma, Ming Xiao, George K. Karagiannidis, Zhiguo Ding, Pingzhi Fan

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

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.

Original languageBritish English
Article number7484286
Pages (from-to)2873-2887
Number of pages15
JournalIEEE Transactions on Communications
Volume64
Issue number7
DOIs
StatePublished - Jul 2016

Keywords

  • Full-duplex
  • Residual self-interference
  • Time division multiplexing
  • Two-way relaying
  • Y-relaying channel

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