一种无线网络传感器节点定位算法的改进  

The Improvement of Wireless Network Sensor Node Localization Algorithm

作　　者：陈淦[1] 朱颋[1] 

机构地区：[1]江西理工大学应用科学学院,江西赣州341000

出　　处：《计算机光盘软件与应用》2011年第10期158-159,共2页Computer CD Software and Application

摘　　要：无线传感器网络是目前IT领域的研究热点之一，具有十分广泛的应用前景。在传感器网络中，位置信息对传感器网络的监测活动至关重要，确定事件发生的位置或获取消息的节点位置是传感器网络最基本的功能之一，对传感器网络应用的有效性起关键的作用。针对无线传感器网络中RSSI的定位能耗高和质心算法定位精度低的特点，提出一种新的改进算法。并从不同的信标节点比例、节点通信半径等方面比较质心算法，DV-Hop算法和改进算法的性能。仿真实验结果表明，改进算法比质心算法在定位精度上有明显提高。Wireless sensor network is one of the hot IT research in the field,has a very wide range of applications.In sensor networks,location information of the sensor network monitoring is essential to determine the location of the incident or the location of the node gets the message is the most basic functions of sensor networks,the effectiveness of sensor network applications play a key role.Wireless sensor networks for the positioning of high energy consumption, and RSSI cantroid algorithm positioning accuracy and low,a new improved algorithm.And from a different ratio of beacon nodes,the node communication radius of the cantroid algorithm and other aspects more,DV-Hop algorithm and improved algorithm performance.The simulation results show that the imvroved algorithm than the centroid algorithm on the positioning accuracy has improved significantly.

关 键 词：无线传感器网络 RSSI的定位 质心算法 定位 改进算法 

分 类 号：TP183[自动化与计算机技术—控制理论与控制工程]