Decode-and-Forward Two-Way Relaying with Network Coding and Opportunistic Relay Selection

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

Research output: Journal article publicationJournal articleAcademic researchpeer-review


In this paper, we study a decode-and-forward twoway 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
Pages (from-to)64-71
Number of pages8
JournalIEEE Micro
Issue number2
Publication statusPublished - 1 Jan 1992


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

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Electrical and Electronic Engineering


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