| 基于传输路径质量的无线mesh网络可靠多播 |
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| 引用本文： | 胡致远,王晓翔,张贤.基于传输路径质量的无线mesh网络可靠多播[J].通信学报,2011,32(5):1-8. |
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| 作者姓名： | 胡致远 王晓翔 张贤 |
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| 作者单位： | 1. 重庆大学通信工程学院,重庆,400044
2. 民航重庆空管分局,重庆,401120 |
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| 基金项目： | 国家高技术研究发展计划("863"计划)基金资助项目，国家自然科学基金资助项目，中央高校基本科研业务基金资助项目 |
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| 摘 要： | 提出了一种可靠多播网(RM)模型,探讨了无线链路和节点可靠性对多播路径选择的影响。首先,建立了无线链路的相关性和多播路径的可靠性模型,并提出了多播传输的可靠性判据;同时,结合首树算法和多路径树算法提出了构造可靠多播网的算法。可靠多播网具有并行的多播路径,通过在多播源节点和目的节点之间选择多播链路和节点构成了可靠的多播路径,提供了多播路径的"负荷分担"和"热备份"功能,从而支持了多播业务可靠性。
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| 关 键 词： | 无线mesh网络 多播 可靠性 链路质量 判据 |
Reliable multicast in wireless mesh networks based on routing quality |
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| HU Zhi-yuan,WANG Xiao-xiang,ZHANG Xian.Reliable multicast in wireless mesh networks based on routing quality[J].Journal on Communications,2011,32(5):1-8. |
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| Authors: | HU Zhi-yuan WANG Xiao-xiang ZHANG Xian |
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| Affiliation: | 1.College of Telecommunication Engineering,Chongqing University,Chongqing 400044,China; 2.Chongqing Air Traffic Management Sub-Bureau,Chongqing 401120,China) |
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| Abstract: | A reliable model of multicast network was proposed and the reliability of the wireless links and nodes on the multicast routing was discussed.First,a reliable model about the relevance of wireless links and the reliability of multicast paths was established,and reliability criterion of multicast transmission was proposed.A reliable multicast network based on the combination of primary tree and multi-path tree algorithm was designed.Reliable multicast networks have multi-parallel multicast paths,so it satisfies the reliability requirement of multicast links and nodes between multicast source node and destination nodes,and provides the load sharing and hot standby functions,accordingly satisfies the multicast traffic reliability. |
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| Keywords: | wireless mesh networks multicast reliability link quality criterion |
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