信号强度和运动向量结合的无线传感器网络移动节点定位

Localization Algorithm for Mobile Nodes in Wireless Sensor Networks Based on Single Strength and Motion Vector

无线传感器网络的定位是近年来无线传感器网络研究的重要课题.本文首先介绍了无线传感器网络的来源、重要性以及无线传感器网络定位的分类.然后提出了一种全新定位算法，信号强度和运动向量结合的无线传感器网络移动节点定位，简称SSMV算法，在外围布置四个锚节点，得用信号强度和未知节点在运动中向量的变化，对锚节点在内的未知节点进行定位，并对该算法进行了仿真和总结.通过与凸规划法进行比较，仿真结果表明，该算法有更高的定位精度.

In recent years, the position of wireless sensor is an import issues in wireless sensor network （WSN）. This article first introduced the source of wireless sensor networks, and the importance of position classification, and then this paper proposed the new method location algorithm, localization algorithm for mobile nodes in wireless sensor networks based on single strength and mo- tion vector （named as SSMV）, which deploy four anchor nodes in the external, use the signal strength and the change of node vector in motion to locate the unknown nodes, and simulate the algorithm and conclude. The simulation results with the convex program- ruing method of comparison, the results show that the algorithm has higher positioning accuracy.