首先介绍当前无线传感器网络中具有代表性的数据融合算法;然后基于树型网络拓扑结构,结合节点休眠调度机制,建立传感器节点的能量模型;最后提出从能量的角度评价不同数据融合算法性能的方法,并通过模拟对典型数据融合算法进行分析。
This paper introduced some typical data aggregation algorithms firstly. Then based on a tree topology and a kind of sleeping schedule scheme, built an energy model of sensor node. Finally, evaluated the performance of data aggregation on energy by simulation.