Outage probability of regenerative protocols for two-source two-destination networks

Quoc-Tuan Vien, Brian G. Stewart, Huan Nguyen

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In this paper, the analytical expressions for the outage probability of different decode-and-forward (DF) relaying strategies for two-source two-destination networks are evaluated allowing an investigation of their effectiveness in energy saving to be determined. Each source node transmits data to an interested destination node with the help of the remaining source node in a cooperative DF manner. Specifically, we consider four DF protocols, including repetition DF (RDF), parallel DF (PDF), network coding-based RDF (NC-RDF), and dirty paper coding-like network coding-based PDF (DPC-NC-PDF). The closed-form expression of the outage probability for each protocol is derived at high signal-to-noise ratio. The results show that the DPC-NC-PDF protocol achieves the best performance while the NC-RDF protocol is better than both the RDF and PDF protocols with proper linear NC coefficients. All the DF protocols are shown to achieve diversity order one and the highest multiplexing gain is achieved with the NC-RDF and DPC-NC-PDF protocols. Finally, simulation results are presented to verify the analytical findings and show the system throughput comparison of various DF protocols. © 2012 Her Majesty the Queen in Right of United Kingdom.
Original languageEnglish
Pages (from-to)1969-1981
Number of pages13
JournalWireless Personal Communications
Volume69
Issue number4
DOIs
Publication statusPublished - 30 Apr 2013
Externally publishedYes

Keywords

  • analytical expressions
  • closed-form expression
  • dirty paper coding
  • multiplexing gains

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