基于层次拓扑的无线传感网络的数据融合算法Level topology based data aggregation algorithm for wireless sensor networks
陈志国,滕桂法
摘要(Abstract)：
目前的数据融合算法并没有考虑到数据的真实性,在实际环境中,传感节点可能会产生错误的感测数据。为此,提出基于层次拓扑的无线传感网络的数据融合(LTDA)算法。LTDA算法先估计感测数据的可信度,只有可信度高于阈值的数据才允许被传输。同时,在节点向基站传输数据时,总是选择权重最大的高层次节点作为下一跳转发节点,节点的权重隐含距离、剩余能量和链路质量信息。仿真数据表明,提出的LTDA算法降低平均能耗,并降低了数据包丢失率和端到端传输时延。
关键词(KeyWords)： 无线传感网;数据融合;可信度;层次拓扑;权重;传输时延
基金项目(Foundation): 河北省科技技术厅项目(9412016Y0391)~~
作者(Author): 陈志国,滕桂法
DOI: 10.16652/j.issn.1004-373x.2018.24.015
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