| 链路累积干扰（CIL）在无线Mesh网络中的应用 |
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| 引用本文： | 罗文龙.链路累积干扰（CIL）在无线Mesh网络中的应用[J].数字通信,2009,36(1):80-83. |
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| 作者姓名： | 罗文龙 |
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| 作者单位： | 重庆邮电大学,经济管理学院,重庆,400065 |
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| 摘 要： | 由于无线Mesh网络具有无线节点的静态性或半静态性以及共享无线媒介等特性，因此在无线Mesh网络中设计路由判据对网络的整体性能起着至关重要的作用。分析了现有的最小跳数（hop count）、期望传输次数（ETX）、加权累积ETT（WCETT）、MIC等4种路由判据，并指出它们的优缺点。最后提出了一种链路累积干扰（CIL）的路由判据方法，从理论上分析其优点，给出仿真结果。仿真结果说明，这种链路累积干扰路由判据能明显改善网络性能。
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| 关 键 词： | 无线Mesh网络 路由判据 路径间干扰 路径内干扰 |
Application of cumulative interference in links for wireless mesh networks |
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| LUO Wen-long.Application of cumulative interference in links for wireless mesh networks[J].Digital Communication,2009,36(1):80-83. |
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| Authors: | LUO Wen-long |
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| Affiliation: | School of Economics and Management, Chongqing University of Posts and Telecommunications, Chongqing 400065, P.R.China |
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| Abstract: | Designing routing metrics plays an important role in wireless mesh networks for its unique characteristics, such as stationary or semi-stationary wireless nodes and shared nature of wireless medium. This paper analyzes several existing routing metrics such as hop count, ETX, WCETT and MIC, and their shortages when used in wireless mesh networks in the first. And then it presents a new routing metric -cumulative interference in links （CIL） and theoretically analyzes its advantage over existing ones. Finally, the simulation result is given. Simulation results show that the proposed routing metric can obviously improve the performance of the network. |
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| Keywords: | wireless mesh network routing metric CIL intra-flow interference inter-flow interference |
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