NDLI: Improving throughput for heterogeneous traffic in IEEE802.11e EDCA

Content Provider	IEEE Xplore Digital Library
Author	Tu Jun Xia Xing Chen Zhi-lan Ye Zhi-wei Zhang Zhi
Copyright Year	2009
Description	Author affiliation: School of Computer Science and Technology Hubei University of Technology, Wuhan, China (Tu Jun; Xia Xing; Chen Zhi-lan; Ye Zhi-wei; Zhang Zhi)
Abstract	An analytical model is proposed to describe the priority schemes of the Enhanced Distributed Channel Access (EDCA) mechanism of the IEEE 802.11e standard. EDCA provides class-based differentiated Quality of Service (QoS) to IEEE 802.11 wireless local area networks (WLANs). However, One of the main challenges with 802.11e EDCA is the configuration of the open parameters of this mechanism, namely Arbitration Inter Frame Space (AIFS), Contention Window(CW) and transmission opportunity (TXOP). In this paper, we focus on the optimal configuration of parameter CW in order to improve the throughput performance of the WLAN. We present an approach to set parameter CW according to channel status. Then, based on this model, we search for the optimal throughput with EDCA. Finally, we show the model is calculated numerically and validated against simulation results.
Starting Page	701
Ending Page	704
File Size	386418
Page Count	4
File Format	PDF
ISBN	9781424449019
DOI	10.1109/IDAACS.2009.5342884
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-21
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Quality of service Wireless LAN Traffic control Performance analysis Conferences Data acquisition Distributed computing Application software Computer science CW IEEE802.11e EDCA QoS
Content Type	Text
Resource Type	Article

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