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传感器网络中基于置信区间的数据聚合策略

DOI: 10.13190/jbupt.200901.29.xuxf, PP. 29-33

Keywords: 置信度,禁忌算法,数据聚合,分簇算法

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Abstract:

为了减少能耗对于无线传感器网络生存时间的影响.提出了一种置信区间和禁忌算法相结合的数据聚合算法(CBTA).CBTA根据簇内节点所采数据呈高斯分布的特点,使用抽样样本设定置信区间与总量模型的对比,有效地减少了数据发送量;同时为避免出现采集热点,采用禁忌算法对抽样数据进行禁忌水平线限制.与相关研究相比,CBTA采用全新的数据发送方式,能够有效降低能耗.仿真实验证明,CBTA能够很好地满足不同用户准确率的要求,且在网络寿命上大幅度优于同类算法.

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