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多级异构无线传感网高效动态聚簇策略研究

DOI: 10.3724/SP.J.1004.2013.00454, PP. 454-460

Keywords: 多级异构,聚簇,平均能量估计,类万有引力,路由,无线传感器网络

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Abstract:

?针对多级异构无线传感器网络(Wirelesssensornetworks,WSNs)路由问题,提出一种高效动态聚簇策略(Efficientanddynamicclusteringscheme,EDCS).EDCS在给定多级异构网络环境下,结合考虑理想状态的平均能量预测和历史能耗参考值估计下轮平均网络剩余能量,决定节点当选簇头的概率,以此指导整个簇头选举过程.同时在簇形成过程中引入类万有引力思想,以引力大小确定非簇头节点加盟哪个簇.仿真实验结果验证EDCS的有效性,且比LEACH,SEP,DEEC和EDFCM更适合应用于多级异构无线传感器网络.

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