期刊文献+

一种面向无线视频传感器网络的多径QoS保障路由协议 被引量:8

A QoS-Guaranteed Multi-Path Routing Protocol for WVSNs
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摘要 针对无线视频传感器网络网络带宽有限、网络拓扑结构动态不稳定的特点,以及视频传输对实时性的要求,设计并实现了一种面向WVSN的多径QoS保障路由协议-EDQMR协议,该协议不仅考虑了跳数、时延、节点之间的距离等约束条件,也同时将节点剩余能量作为约束条件,以路径能量的消耗最小为代价函数进行最优路径的选择,不仅考虑单个节点的能耗,也均衡了整个网络的能耗.仿真结果表明,与现有的AOMDV协议相比,在时延满足需求的前提下,本文提出的EDQMR协议可以显著提高数据包的传输成功率,并能有效延长网络的工作寿命. For(he bandwidth limitation and unstable network topology in wireless video sensor networks(WVSNs),an energy -efficient,distance-aware and QoS-guaranteed multi-path routing(EDQMR) protocol for WVSNs is proposed in this paper.The optimum routing is selected in the protocol comprehensively considering constrains such as delay,the maximum hop distance and the node residual energy.Simulation results show that when delay requirements are met,compared to existing protocol AOMDV,the proposed EDQMR can significantly enhance the packet delivery ratio while prolonging the network lifetime.
出处 《电子学报》 EI CAS CSCD 北大核心 2013年第6期1122-1129,共8页 Acta Electronica Sinica
基金 教育部新世纪优秀人才支持计划(No.NCET-11-0892) 国家自然科学基金(No.60772069 No.61003289 No.61100212) 北京市自然科学基金(No.4102008) 北京市属高等学校高层次人才引进与培养计划项目(No.CIT&TCD201304036) 高等学校博士学科点专项科研基金(No.20121103110017)
关键词 无线视频传感器网络 QOS保障 多径 路由协议 WVSNs QoS-guaranteed multi-path routing protocol
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参考文献11

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共引文献56

同被引文献60

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