无线传感器网络节点定位算法研究  

The Study on Algorithm of Wireless Sensor Network Node Positioning Algorithm

作　　者：王颖[1] 赵林亮[2] 

机构地区：[1]沈阳理工大学环境与化学工程学院,辽宁沈阳110159 [2]东北大学信息科学与工程学院,辽宁沈阳110819

出　　处：《沈阳理工大学学报》2010年第6期10-14,共5页Journal of Shenyang Ligong University

摘　　要：针对无线传感器网络中DV-Hop定位算法在未知节点到锚节点距离计算中的不足,提出了一种新的距离计算方法。该算法考虑了未知节点到锚节点路径中相邻三个节点组成的夹角对距离的影响,从而更精确计算出距离,并对改进算法和原算法进行了对比仿真。仿真结果表明,改进算法有效地提高了节点的定位精度和覆盖率.The essay proposed a new calculating method of distance to solve some problems of DV-Hop algorithm when used to compute the distance of unknown nodes to anchor nodes in the wireless sensor network.The algorithm involved the effect of the angle formed by three consecutive nodes in the path of unknown nodes to anchor nodes,on distance.So the distance can be calculated more accurately,and simulation contrast between the improved algorithm and the original one can be made.The simulation result proved that the improved algorithm had increased coverage rate and location precision effectively.

关 键 词：无线传感器网络 定位 DV-HOP 改进算法 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]