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一种能量高效无线传感器网络路由协议的设计 被引量:2

Design of An Energy Efficient Routing Protocol for Wireless Sensor Networks
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摘要 在无线传感器网络中提高节点能量问题的研究中,首先对无线传感器网络经典的分簇路由协议LEACH进行分析,针对LEACH中存在的少能量节点,或者偏远节点选为簇头节点,容易导致节点加快死亡、网络能量利用率降低的问题,通过改变簇头选择策略,综合考虑节点剩余能量和地理位置等参数的方法,提出一种新的路由协议,避免选取少能量节点为簇头。经NS2的仿真结果表明,提高了网络能量利用率。能量高效LEACH协议比LEACH原协议延长了28%的网络生存时间,并对延迟了第一节点死亡(FND)时间27%,并使得更多的能量利用于网络开始真正死亡之前,提高了网络能量利用率。 This paper analyzes the classic LEACH protocol(a clustering protocol of WSNs).There are some low energy nodes and border nodes in WSNs,and if they are selected as cluster head,quickly death of these nodes and decrement of energy efficient may be caused.We propose a new protocol to solve these problems with considering the power left and location factor.This solution extends network lift time,and improves the energy efficient.The NS2 simulation result shows that the approved LEACH extends 28% of the network lifetime.And it also extends the FND by 27%.More power is used before the death of network,and this protocol improves the using rate of energy.
出处 《计算机仿真》 CSCD 北大核心 2010年第11期98-101,共4页 Computer Simulation
基金 国家高技术研究发展计划(863)(2007AA010301)
关键词 无线传感器网络 簇头选择 能量利用率 网络生存时间 WSNs Cluster head selection Energy efficiency Network lifetime
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参考文献7

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二级参考文献28

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