NDLI: A MAC-layer differentiated service model in IEEE 802.11e WLANs

Content Provider	IEEE Xplore Digital Library
Author	Jeng Farn Lee Wanjiun Liao Meng Chang Chen
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei (Jeng Farn Lee; Wanjiun Liao)
Abstract	In this paper, we provide a differentiated service model in IEEE 802.11e wireless local area networks (WLANs). In our service model, a new mechanism called differentiated service - EDCA (DS-EDCA) is proposed to provide both strict priority and proportional fair service for IEEE 802.11 WLANs. The EDCA parameter set of lower priority traffic is carefully designed, and the backoff intervals are determined according to the distributed scheduling discipline DFS. Furthermore, a hierarchical link sharing model is proposed for IEEE 802.11e WEANs, which allocates different amount of link resource for AP and mobile stations. The performance of DS-EDCA and EDCA is compared via ns-2 simulations. The results show that DS-EDCA outperforms the original EDCA in terms of the support for both strict priority and weighted fair service. Most importantly, DS-EDCA can be easily implemented, and is compatible to the IEEE 802.11 standard
Starting Page	5
Ending Page	3294
File Size	296195
Page Count	3290
File Format	PDF
ISBN	0780394143
DOI	10.1109/GLOCOM.2005.1578383
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN Traffic control Resource management Information science Telecommunication traffic Throughput Wireless networks Base stations Media Access Protocol Round robin
Content Type	Text
Resource Type	Article

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