Implementation and Evaluation of Channel Assignment Tool for Multi-Radio Multi-Channel Wireless Mesh Networks

2007 IEEE Wireless Communications and Networking Conference Pub Date : 2007-03-01 DOI:10.1109/WCNC.2007.518

Wei Xie, Mingbo Xiao, Felix Zhao, Yan Yao

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引用次数: 1

Abstract

With the rapid development of wireless mesh networks (WMNs) technology, more and more commercial products and even solutions are provided in trial applications. Especially, the 802.11-based WMNs are considered as one of the best networking technology to extend the coverage of wireless LAN. However, few practical optimization tools are available for the planning and design of commercial WMNs. In this paper, the channel assignment tool (CAT) designed for the optimized backhaul networking of multi-radio multi-channel (MRMC) WMNs is presented. In the proposed channel assignment algorithm, several crucial factors affecting real networking performance are taken into account. Besides, the CAT is implemented as a flexible software module, which can be easily combined with other optimization and planning tool, as well as works independently. Furthermore, through the outdoor test taken on the test-bed consisting of commercial wireless mesh routers, the optimal channel assignment scheme figured out by the CAT is verified to perform best in the real MRMC WMN.

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多无线电多信道无线网状网络信道分配工具的实现与评价

随着无线网状网络(wireless mesh networks, WMNs)技术的飞速发展，越来越多的商用产品甚至解决方案开始试用。特别是基于802.11的无线局域网被认为是扩大无线局域网覆盖范围的最佳组网技术之一。然而，很少有实用的优化工具可用于商业wmn的规划和设计。提出了一种针对多无线电多信道WMNs回程网络优化设计的信道分配工具(CAT)。在提出的信道分配算法中，考虑了影响实际网络性能的几个关键因素。此外，CAT作为一个灵活的软件模块来实现，可以很容易地与其他优化规划工具相结合，也可以独立工作。此外，通过在商用无线网状路由器组成的试验台上进行的室外测试，验证了CAT给出的最优信道分配方案在实际的MRMC WMN中具有最佳性能。

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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2007 IEEE Wireless Communications and Networking Conference

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