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Optimization of ARQ protocols in interference networks with QoS constraints

  • Stanford University
  • University of Southern California

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

9 Scopus citations

Abstract

We study optimal transmission strategies in interfering wireless networks, under Quality of Service constraints. A buffered, dynamic network with multiple sources is considered, and sources use a retransmission strategy in order to improve packet delivery probability. The optimization problem is formulated as a Markov Decision Process, where constraints and objective functions are ratios of time-averaged cost functions. The optimal strategy is found as the solution of a Linear Fractional Program, where the optimization variables are the steady-state probability of state-action pairs. Numerical results illustrate the dependence of optimal transmission/interference strategies on the constraints imposed on the network.

Original languageEnglish
Title of host publication2011 IEEE International Conference on Communications, ICC 2011
DOIs
StatePublished - 2011
Event2011 IEEE International Conference on Communications, ICC 2011 - Kyoto, Japan
Duration: Jun 5 2011Jun 9 2011

Publication series

NameIEEE International Conference on Communications
ISSN (Print)0536-1486

Conference

Conference2011 IEEE International Conference on Communications, ICC 2011
Country/TerritoryJapan
CityKyoto
Period06/5/1106/9/11

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