A quality of service mechanism for IEEE 802.11 wireless network based on service differentiation

被引：0
|
作者：
Sheng, LZ [1 ]
Lei, W [1 ]
Wei, HF [1 ]
Sun, LM [1 ]
Wu, ZM [1 ]
机构：
[1] Chinese Acad Sci, Inst Software, Beijing 100080, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES 2005, VOLS 1 AND 2, PROCEEDINGS | 2005年
关键词：
wireless local area network; QoS; service differentiation;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper introduces an analytical model for wireless local area network with priority schemes based service differentiation. This model can predict station performance by access stations' number and traffic type before wireless channel condition changed. Then a new algorithm, DTCWF (Dynamic Tuning of Contention Window with Fairness), is proposed to modify protocol options to limit end to end delay and loss rate of high priority traffic and maximize throughput of other traffics. Simulations validate this model and the comparison between DTCWF, DCF, and EDCA shows that our algorithm can improve quality of service for real-time traffic.
引用
收藏
页码：526 / 529
页数：4
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