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无线传感器网络的能量有效性控制策略——最小跳数和功率自适应 被引量:2

Control strategy for energy-efficient of Wireless Sensor Network——minimum hop and power adapting
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摘要 提出了一种适用于无线传感器网络的能量有效性控制策略——最小跳数和功率自适应的混合使用方法。该能量控制策略在无线传感器网络的两个阶段实现:在任务感知阶段,一方面Sink节点通过最小跳数的算法洪泛感知任务建立路由,并根据路由信息建立可能的备份路由,另一方面在建立的路由基础上采用基于二分查找的功率自适应算法确定各个网络节点的最佳发射功率;在感知数据交付阶段,根据任务感知阶段确定的路由和发射功率进行数据传输。通过对最小跳数算法和基于二分查找的功率自适应算法的分析和实验,表明该能量控制策略可以很好地减少能量的开销。 A strategy for the energy-efficient used in wireless sensor network is proposed,which uses a mixed method including minimum hop and power adapting. In the perceptive phase for the task,the sink node adapts the minimum hop method to determine the routed message,and determines the backup route message with the possible condition,and then determines the minimum power of the node with the dimidiate arithmetic based on the routed message. In the perceptive phase for the data,the sink node sends the data to the object node with the determinate route message and power. According to the analysis of this strategy,it shows that the strategy can reduce much power consumption.
作者 李伟 陈明
出处 《计算机工程与应用》 CSCD 北大核心 2009年第16期121-122,145,共3页 Computer Engineering and Applications
关键词 无线传感器网络 最小跳数 能量有效性 二分查找算法 功率自适应 Wireless Sensor Network(WSN) minimum hop energy-efficient dimidiate arithmetic power adapting
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