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Quality of service schemes for IEEE 802.11: a simulation study
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
Luleå tekniska universitet.
2001 (English)In: Quality of Service: 9th International Workshop Karlsruhe, Germany, June 6-8, 2001 Proceedings / [ed] Lars Wolf, Berlin: Encyclopedia of Global Archaeology/Springer Verlag, 2001, 281-287 p.Conference paper (Refereed)
Abstract [en]

This paper analyzes and compares four different mechanisms for providing QoS in IEEE 802.11 wireless LANs. We have evaluated the IEEE 802.11 mode for service differentiation (PCF), Distributed Fair Scheduling, Blackburst, and a scheme proposed by Deng et al. using the ns-2 simulator. The evaluation covers medium utilization, access delay, and the ability to support a large number of high priority mobile stations. Our simulations show that PCF performs badly, and that Blackburst has the best performance with regard to the above metrics. An advantage with the Deng scheme and Distributed Fair Scheduling is that they are less constrained, with regard to the characteristics of high priority traffic, than Blackburst is.

Place, publisher, year, edition, pages
Berlin: Encyclopedia of Global Archaeology/Springer Verlag, 2001. 281-287 p.
Lecture Notes in Computer Science, ISSN 0302-9743 ; 2092
Research subject
Dependable Communication and Computation Systems
URN: urn:nbn:se:ltu:diva-37505DOI: 10.1007/3-540-45512-4_21Local ID: b8e9b970-f113-11dc-ba03-000ea68e967bISBN: 978-3-540-42217-4 (print)OAI: diva2:1011003
International Workshop on Quality of Service : 06/06/2001 - 08/06/2001
Validerad; 2001; 20080313 (ysko)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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