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Outage probability for ARQ decode-and-forward relaying under packet-rate fading

  • Sangkook Lee
  • , Weifeng Su
  • , Stella Batalama
  • , John D. Matyjas
  • SUNY Buffalo
  • Air Force Research Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, a new analytical approach is developed for the evaluation of the outage probability of decode-and-forward (DF) automatic-repeat-request (ARQ) relaying under packet-rate fading (fast fading) channels. Based on this approach, a closed-form asymptotically tight (as SNR → ∞) approximation of the outage probability is derived, and the diversity order of the DF cooperative ARQ relay scheme is shown to be equal to 2L - 1, where L is the maximum number of ARQ retransmissions. The closed-form expression clearly shows that the achieved diversity is partially due to the DF cooperative relaying and partially due to the fast fading nature of the channels (temporal diversity). Numerical and simulation studies illustrate the theoretical developments.

Original languageEnglish
Title of host publicationAd Hoc Networks - First International Conference, ADHOCNETS 2009, Revised Selected Papers
Pages843-854
Number of pages12
DOIs
StatePublished - 2010
Event1st International Conference on Ad Hoc Networks, ADHOCNETS 2009 - Niagara Falls, ON, Canada
Duration: Sep 22 2009Sep 25 2009

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
Volume28 LNICST
ISSN (Print)1867-8211

Conference

Conference1st International Conference on Ad Hoc Networks, ADHOCNETS 2009
Country/TerritoryCanada
CityNiagara Falls, ON
Period09/22/0909/25/09

Keywords

  • Automatic-repeat-request (ARQ) protocol
  • Cooperative decode-and-forward relaying
  • Outage probability

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