无线传感器网络定位算法综述

The survey on localization algorithms of wireless sensor networks

节点定位是无线传感器网络的重要技术之一。在定位过程中,锚节点的比例,节点的通信半径等自然环境因素都会对定位精度造成影响。针对这些问题,对未知节点计算方法以及定位算法进行改进,改进后的算法在定位精度与算法性能上都有了一定的提高。文章详细介绍了基于测距与非测距改进的多种定位算法,并进行分析。

Node positioning technology is one of the most important technologies in wireless sensor networks.In the process of positioning,the natural environmental factors such as the proportion of anchor nodes,the communication radius of nodes etc.will affect the positioning accuracy.In order to solve these problems,the calculation method of unknown nodes and positioning algorithm are improved,the improved algorithm has a certain improvement in positioning on accuracy and algorithm performance.This paper introduces and analyzes a variety of localization algorithms which are improved by ranging method or non-ranging method.