Performance analysis of the enhanced distributed coordination function in the IEEE 802.11e

Yu Liang Kuo, Chi Hung Lu, Eric Hsiao Kuang Wu, Gen Huey Chen, Yi Hsien Tseng

研究成果: 雜誌貢獻會議論文同行評審

10 引文 斯高帕斯(Scopus)


Recently, the IEEE 802.11 Task Group E is standardizing a distributed access approach, called the enhanced distributed coordination function (EDCF), to support service differentiation in WLANs. In EDCF, service differentiation is achieved by assigning different values of EDCF access parameters (e.g., the minimum contention window, the maximum contention window, and the arbitration interframe space) to different traffic classes. In order to satisfy specific QoS requirements for different traffic classes, a mathematical analysis turns to be helpful to analyze the system performance. In this paper, we provide an analytical model to study the expected bandwidth for each traffic class in EDCF. We validate the accuracy of the model by using the ns-2 simulator. Some performance evaluations are demonstrated hi comparison with the IEEE 802.11 legacy MAC protocol. The model can be also used as guidelines for admission control or resource management schemes.

頁(從 - 到)3488-3492
期刊IEEE Vehicular Technology Conference
出版狀態已出版 - 2003
事件2003 IEEE 58th Vehicular Technology Conference, VTC2003-Fall - Orlando, FL, United States
持續時間: 6 10月 20039 10月 2003


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