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Evaluation of quality of service schemes for IEEE 802.11 wireless LANs
Luleå tekniska universitet.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
2001 (English)In: Proceedings: LCN 2001, 26th Annual IEEE Conference on Local Computer Networks : 14 - 16 November 2001, Tampa, Fl, Los Alamitos, Calif: IEEE Communications Society, 2001, 348-351 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper evaluates four mechanisms for providing service differentiation in IEEE 802.11 wireless LANs, the point coordinator function (PCF) of IEEE 802.11, the enhanced distributed coordinator function (EDCF) of the proposed IEEE 802.11e extension to IEEE 802.11, distributed fair scheduling (DFS), and Blackburst using the ns-2 simulator. The metrics used in the evaluation are throughput, medium utilization, collision rate, average access delay, and delay distribution for a variable load of real time and background traffic. The PCF performance is comparably low, while the EDCF performs much better. The best performance is achieved by Blackburst. The DFS provides relative differentiation and consequently avoids starvation of low priority traffic

Place, publisher, year, edition, pages
Los Alamitos, Calif: IEEE Communications Society, 2001. 348-351 p.
Series
Conference on Local Computer Networks. Proceedings, ISSN 0742-1303 ; 26
National Category
Computer Sciences
Research subject
Dependable Communication and Computation Systems
Identifiers
URN: urn:nbn:se:ltu:diva-36903DOI: 10.1109/LCN.2001.990806Local ID: ab8b8490-fbfc-11dc-a946-000ea68e967bISBN: 0-7695-1321-2 (print)OAI: oai:DiVA.org:ltu-36903DiVA: diva2:1010402
Conference
IEEE Conference on Local Computer Networks : 14/11/2001 - 16/11/2001
Note
Godkänd; 2001; 20080327 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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