IEEE 802.11e EDCF performance evaluation

被引：0
|
作者：
Ruan, Jiayong [1 ]
Huang, Benxiong [1 ]
Zhang, Fan [1 ]
Wang, Yan [1 ]
机构：
[1] Dept. of Electron. and Info. Eng., Huazhong Univ. of Sci. and Technol., Wuhan 430074, China
来源：
Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition) | 2004年 / 32卷 / 06期
关键词：
Computer simulation - Function evaluation - Voice/data communication systems;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The performance of enhanced distributed coordination function (EDCF) was evaluated, compared with the 802.11 legacy MAC in supporting voice, video and data applications through the network simulation of a scenario of 802.11e. The effects of Contention Window (CW) and Arbitration Inter-Frame Space (AIFS) on the service differentiation and total throughput were discussed. The contention-free burst (CFB) was also considered. It was concluded from the simulation that the EDCF with TXOP could provide better-differentiated channel access to different traffic types especially in high traffic load conditions. The movements caused by the parameters in CFB showed a lot of bouncing and instability in different applications and configurations.
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页码：7 / 9
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