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最大化网络有效寿命的传感器网络覆盖保持协议 被引量：5

Useful Lifetime Maximization for Partial Coverage Conserve in Wireless Sensor Networks
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摘要 为了保证监测区域覆盖质量,同时延长无线传感器网络有效寿命,构建了一种不需要地理位置信息的异构传感器网络冗余节点决策模型,由此提出了一种最大化网络有效寿命的异构传感器网络覆盖保持协议——ULMPCC.根据节点剩余能量状况,关闭剩余能量相对较少的所有冗余节点,保留最少的工作节点,从而实现了分布式协作节点调度.基于剩余能量的选举策略有效地平衡网络中的能量消耗,最大化了网络的有效寿命.仿真实验表明,UMLPCC能调度最少的工作节点,保证应用要求的覆盖质量,当期望的覆盖质量大于90%时,获得的覆盖质量与期望的覆盖质量的误差小于1%. A decision model of redundant node without the location information is proposed for heterogeneous wireless sensor network to prolong the wireless sensor network useful lifetime as well as to maintain sufficient sensing coverage at a specific application level. Based on the model, a useful lifetime maximization for partial coverage conserve in wireless sensor network （ULMPCC） protocol is proposed. The protocol allows for closing all redundant nodes that have relative less residual energy according to their residual energy states so that the least number of nodes are maintained as working nodes and the distributed collaborative scheduling of nodes is achieved. The residual energy-based election strategy in ULMPCC effectively balances the network energy consumption, and maximizes the useful network lifetime. Simulation results show that ULMPCC guarantees the desired coverage QoS accurately and minimizes the number of active nodes. The error between the resulting coverage QoS and the desired coverage QoS is less than 1% when the desired coverage QoS is greater than 90%.
作者 王换招 孟凡治 李增智
机构地区 西安交通大学计算机科学与技术系
出处 《西安交通大学学报》 EI CAS CSCD 北大核心 2009年第10期66-70,80,共6页 Journal of Xi'an Jiaotong University
基金 陕西省自然科学基金资助项目(SJ08ZT16-4)
关键词 覆盖质量 节点调度 网络有效寿命 异构传感器网络 coverage QoS node scheduling network useful lifetime heterogeneous wireless sensor network
分类号 TP393 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献9

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二级参考文献24

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共引文献50

同被引文献40

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  • 3毛莺池,龚海刚,刘明,陈道蓄,谢立.ELIQoS:一种高效节能、与位置无关的传感器网络服务质量协议[J].计算机研究与发展,2006,43(6):1019-1026. 被引量：14
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引证文献5

二级引证文献39

西安交通大学学报
2009年 第10期

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