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Study on the fairness of wireless mesh networks
Author(s): ZHANG Yong, CAI Jie, SONG Mei, SONG Jun-de
Pages: 164-
170
Year: 2007
Issue:
2
Journal: JOURNAL OF UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
Keyword: 无线mesh网; 网络公平性; 队列管理; 无线资源分配;
Abstract: 网络重载时无线mesh网络会发生严重的不公平性,导致部分节点产生"饿死"现象.为保证网络公平性,首次提出公平队列管理和无线资源公平分配的联合解决方案.在分析了无线mesh网络空间不公平性的基础上,通过改进IEEE 802.11竞争窗口处理方法得到一种新的自适应分布式无线资源分配协议(adaptive distributed radio resource allocation,ADRRA).仿真实验比较了ADRRA与IEEE 802.11 DCF协议、赤字轮询与弃尾协议.结果表明,ADRRA协议实现无线mesh网络的无线资源可控管理,在网络重载时保证了较高吞吐量,并提高了网络公平性.ADRRA与赤字轮询队列管理的联合解决方案改进了网络公平性.
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