QOS guarantee for wireless LAN with fairness transmission

Wen Yen Lin, Bor Jiunn Hwang, Jung Shyr Wu

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

1 Scopus citations


IEEE 802.11e develops Enhanced Distributed Coordination Access (EDCA) and Hybrid Coordination Function (HCF) controlled channel access (HCCA), to enhance the Quality of Service (QoS) of the original MAC mechanism. However, the priority-based access mechanism can not guarantee QoS requirements in terms of delay and throughput since it is contention-based. In this paper, we propose several schemes that regulate backoff contention window adaptively to achieve more fairness between ACs. The simulation results present the constraint due to agreement level. Moreover, it is demonstrated that the proposed schemes can assign transmission opportunity more fairly than EDCA. Also the proposed schemes really have a performance improvement [1-2].

Original languageEnglish
Title of host publicationTENCON 2007 - 2007 IEEE Region 10 Conference
StatePublished - 2007
EventIEEE Region 10 Conference, TENCON 2007 - Taipei, Taiwan
Duration: 30 Oct 20072 Nov 2007

Publication series

NameIEEE Region 10 Annual International Conference, Proceedings/TENCON


ConferenceIEEE Region 10 Conference, TENCON 2007


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