基于移动代理的无线传感器网络三维定位算法
首发时间:2010-05-27
摘要:节点定位在无线传感器网络的应用中起着非常重要的作用,一直备受学术界和工业界的关注. 而现有的大多数定位算法针对平面应用而设计,无法满足三维空间应用.本文对DV-Hop定位算法进行改进,将其引入到三维空间,建立空间向量模型来估计未知节点坐标,并对初始估计位置进行迭代求精,来减少定位误差,提出了基于移动代理的无线传感器网络三维定位算法。
关键词: 节点定位 无线传感器网络 未知节点 三维定位 移动代理
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A Three-dimensional Localization Algorithm Based on Mobile Agent for Wireless Sensor Network
Abstract:Node localization is crucial to Wireless Sensor Network and has been paid much attention to both academia and industry all the times.Existing localization methods are not suitable for three-dimensional terrains due to their design for planar applications. Intruduce the improved DV-Hop localization algorithm into three-dimensional space and establish a vector space model to estimate the number of the unknow nodes and compute the initialization location value repeatedly to reduce the location error. Then a novel three-dimensional localization algorithm based on mobile agent for wireless sensor network is proposed.
Keywords: node localization wireless sensor network unknown nodes three-dimensional localization mobile agent
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