802.11WLAN中一種基于循環(huán)隊列的分布式公平隊列調(diào)度算法
A Round Robin Based Distributed Fair Queuing Algorithm for IEEE 802.11 WLAN
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摘要: 該文在無線局域網(wǎng)現(xiàn)有的802.11 MAC層訪問機制的基礎(chǔ)上,運用循環(huán)隊列的思想提出了一種完全分布式的隊列調(diào)度算法,該算法通過修改802.11的MAC層中的DCF(Distributed Coordination Function)子協(xié)議,實現(xiàn)了在分布式環(huán)境下控制802.11節(jié)點的公平訪問無線鏈路資源的目的。文中通過仿真對算法進(jìn)行了分析和研究,仿真結(jié)果表明該方法可以在一定范圍內(nèi)實現(xiàn)公平隊列調(diào)度。
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關(guān)鍵詞:
- IEEE802.11; WLAN; MAC; 公平隊列調(diào)度算法
Abstract: This paper presents a novel round robin based fully distributed fair queuing algorithm for IEEE 802.11 WLANs. The proposed algorithm in this paper achieves fair scheduling in a distributed environment by doing a small modification to the distributed coordination function of the IEEE 802.11 MAC protocol. Simulation results show this algorithm is effective. -
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