IEEE 802.11e无线局域网中EDCA的理论性能评价

European Transactions on Telecommunications Pub Date : 2010-04-01 DOI:10.1002/ett.1442

F. Peng, H. Alnuweiri, Victor C. M. Leung

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引用次数: 8

摘要

虽然最初的IEEE 802.11分布式协调功能(DCF)已经通过理论和仿真研究进行了广泛的分析，但新的IEEE 802.11e增强型分布式信道接入(EDCA)的性能尚未得到广泛的研究。在本文中，我们扩展了一个解析模型，以捕获任意帧间空间的操作、竞争窗口的区分和传输机会，以评估不同服务类别的吞吐量性能和碰撞概率。仿真结果验证了性能分析的正确性。我们的分析为评估不同优先级参数对EDCA服务差异化绩效的影响提供了有见地的结果。版权所有©2009 John Wiley & Sons, Ltd

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Theoretical performance evaluation of EDCA in IEEE 802.11e wireless LANs

While the original IEEE 802.11 distributed coordinated function (DCF) has been widely analysed by both theoretical and simulation studies, the performance of the new IEEE 802.11e enhanced distributed channel access (EDCA) has not yet been investigated extensively. In this paper, we extend an analytical model to capture the operations of the arbitrary inter-frame space, contention window differentiation and transmission opportunity in EDCA for the evaluation of throughput performance and collision probability of different service classes. The performance analyses are validated by simulation results. Our analysis provides insightful results for evaluating the impact of different priority parameters on the performance of EDCA service differentiation. Copyright © 2009 John Wiley & Sons, Ltd.

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来源期刊

European Transactions on Telecommunications 工程技术-电信学

自引率

0.00%

发文量

审稿时长

9 months