Regenerative cooperative diversity networks with co-channel interference: Performance analysis and optimal energy allocation

Salama Said Ikki, Ubaidulla Pandarakkottilil, Sonia Aïssa

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

A study of the effects of co-channel interference on a multirelay system with decode-and-forward (DF) protocol is presented. Orthogonal relaying is considered, and all relays that correctly decode the message in the broadcasting phase participate in the adaptive relaying phase. First, the effective signal-to-interference-plus-noise ratio (SINR) at the receiver is derived. Then, considering outage as the performance metric, we obtain exact closed-form expression for the outage probability. Simple and general asymptotic expressions for the outage probability, which explicitly show the coding and the diversity gains, are also derived and discussed. Furthermore, we present optimal energy-allocation schemes for minimizing outage under different resource constraints. Monte Carlo simulations are further provided to confirm the analytical results and illustrate the outage performance for different interference conditions and optimization schemes. © 1967-2012 IEEE.
Original languageEnglish (US)
Pages (from-to)896-902
Number of pages7
JournalIEEE Transactions on Vehicular Technology
Volume62
Issue number2
DOIs
StatePublished - Feb 2013

ASJC Scopus subject areas

  • Automotive Engineering
  • Applied Mathematics
  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Aerospace Engineering

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