A new inter-node priority access enhancement scheme for IEEE-802.11 WLANs

Ahmed Riadh Rebai, Said Hanafi, Hussein Alnuweiri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

Because of their wide proliferation, IEEE 802.11 WLANs are expected to support multimedia applications such as voice and broadband video transmissions, which normally have strict bounded transmission delay or minimum link rate requirement. Service differentiation can be applied to media traffic transmitted by the same node using the 802.11e EDCA (Enhanced Distributed Channel Access) protocol. However, the EDCA mode does not offer user differentiation, which can be viewed as a deficiency in multi-access wireless networks. In this paper, we propose a new inter-node priority access scheme for IEEE 802.11e networks which is compatible with the EDCA scheme. The proposed scheme deploys inter-node priority for channel access to complement the existing EDCA inter-frame priority. This provides true QoS control across multiple users within the same coverage area of an access point. We provide performance evaluations to compare the proposed access model with the basic EDCA 802.11 MAC protocol mode to elucidate the quality improvement achieved for multimedia communication over 802.11 WLANs.

Original languageEnglish
Title of host publication2009 9th International Conference on Intelligent Transport Systems Telecommunications, ITST 2009
Pages520-525
Number of pages6
DOIs
Publication statusPublished - 1 Dec 2009
Event2009 9th International Conference on Intelligent Transport Systems Telecommunications, ITST 2009 - Lille, France
Duration: 20 Oct 200922 Oct 2009

Publication series

Name2009 9th International Conference on Intelligent Transport Systems Telecommunications, ITST 2009

Other

Other2009 9th International Conference on Intelligent Transport Systems Telecommunications, ITST 2009
CountryFrance
CityLille
Period20/10/0922/10/09

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Keywords

  • Channel access
  • IEEE802.11 WLANs
  • Internode priority
  • Multimedia traffics
  • QoS enhancement

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Transportation

Cite this

Rebai, A. R., Hanafi, S., & Alnuweiri, H. (2009). A new inter-node priority access enhancement scheme for IEEE-802.11 WLANs. In 2009 9th International Conference on Intelligent Transport Systems Telecommunications, ITST 2009 (pp. 520-525). [5399298] (2009 9th International Conference on Intelligent Transport Systems Telecommunications, ITST 2009). https://doi.org/10.1109/ITST.2009.5399298