提供IEEE 802.11 WLAN的服务质量

20th International Conference on Advanced Information Networking and Applications - Volume 1 (AINA'06) Pub Date : 2006-04-18 DOI:10.1109/AINA.2006.277

Chunming Liu, Chi Zhou

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引用次数: 10

摘要

本文旨在为IEEE 802.11无线局域网(WLAN)提供服务质量(QoS)。具体来说，我们开发了一种新的链路层调度算法，以支持WLAN中有保证QoS的多媒体业务。该调度算法利用系统空闲时间降低实时可变比特率(RT)业务的平均丢包率，同时满足所有实时可变比特率(RT)业务所需的传输延迟和带宽要求。考虑了业务流量模型、轮询周期与争用周期(CP)之比、突发产生概率等关键统计因素，进行了详细的分析。通过OPNET仿真对性能进行了评估。仿真结果表明，我们提出的联合方案在系统资源利用和QoS提供方面都是有效的

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Providing Quality of Service in IEEE 802.11 WLAN

This paper aims to provide quality of service (QoS) for IEEE 802.11 wireless local area network (WLAN). Specifically, we develop a new scheduling algorithm in link layer to support multimedia services with guaranteed QoS in WLAN. The proposed scheduling algorithm makes use of the idle system time to reduce average packet loss of real-time (RT) variable-bit-rate (VBR) services, while satisfying required transmission delay and bandwidth requirements of all RT services. Detailed analysis is given by taking into account several key statistical factors, such as service traffic model, the ratio between the polling period and the contention period (CP), burst generation probabilities. Performance is evaluated through OPNET simulation. Simulation results demonstrate that our proposed joint scheme is effective in terms of both system resource utilization and QoS provisioning

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来源期刊

20th International Conference on Advanced Information Networking and Applications - Volume 1 (AINA'06)

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