A novel pause count backoff algorithm for channel access in IEEE 802.11 based wireless LANs

Hao Ming Liang, Sherali Zeadally, Naveen K. Chilamkurti, Ce Kuen Shieh

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

13 Scopus citations

Abstract

This paper proposes a novel backoff' algorithm to enhance the Distributed Coordination Function (DCF) function in IEEE 802.11 based wireless networks. The proposed algorithm, known as Pause Count Backoff (PCB) algorithm, observes the number of backoff counter pauses during the channel access contention and sets the appropriate contention window, based on the estimated results. We evaluate the performance of the proposed PCB algorithm using simulation tests and we compare its performance with other proposed IEEE 802.11 backoff algorithms (Exponential Increase Exponential Decrease (EIED), and Adaptive Enhanced Distributed Coordination Function (AEDCF)). Our results demonstrate that PCB outperforms other backoff algorithms in various network conditions. Moreover, the fairness index and end-to-end delay of PCB are also much better than those obtained with other channel access algorithms.

Original languageEnglish
Title of host publicationProceedings - International Symposium on Computer Science and Its Applications, CSA 2008
Pages163-168
Number of pages6
DOIs
StatePublished - 2008
Event2008 International Symposium on Computer Science and its Applications, CSA 2008 - Hobart, TAS, Australia
Duration: Oct 13 2008Oct 15 2008

Publication series

NameProceedings - International Symposium on Computer Science and Its Applications, CSA 2008

Conference

Conference2008 International Symposium on Computer Science and its Applications, CSA 2008
Country/TerritoryAustralia
CityHobart, TAS
Period10/13/0810/15/08

ASJC Scopus subject areas

  • Computer Science Applications

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