Decode-and-forward two-way relaying with network coding and opportunistic relay selection

Qing F. Zhou, Yonghui Li, Chung Ming Lau, Branka Vucetic

Research output: Journal article publicationJournal articleAcademic researchpeer-review

119 Citations (Scopus)


In this paper, we study a decode-and-forward two-way relaying network. We propose an opportunistic two-way relaying (O-TR) scheme based on joint network coding and opportunistic relaying. In the proposed scheme, one single "best relay" is selected by MaxMin criterion to perform network coding on two decoded symbols sent from two sources, and then to broadcast the network-coded symbols back to the two sources. The performance of the proposed scheme is analyzed, and verified through Monte Carlo simulations. Results show that the proposed scheme achieves a better performance compared to the fully-distributed space-time two-way relaying (FDST-TR), which has been identified as the best decode-and-forward two-way relaying method so far.
Original languageEnglish
Article number5601657
Pages (from-to)3070-3076
Number of pages7
JournalIEEE Transactions on Communications
Issue number11
Publication statusPublished - 1 Nov 2010


  • Cooperative communications
  • decode and forward
  • network coding
  • relay selection
  • two-way relay

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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