Localization algorithm based on analysis of RSSI error for Wireless Sensor Networks

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (14): 10-12.

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Localization algorithm based on analysis of RSSI error for Wireless Sensor Networks

CHEN Sanfeng1，2，CHEN Wanming3

1.Institute of Information Technology，Shenzhen Institute of Information Technology，Shenzhen，Guangdong 518029，China
2.Shenzhen Key Laboratory of Visual Media Processing and Transmission，Shenzhen，Guangdong 518029，China
3.Department of Automation，University of Science and Technology of China，Hefei 230027，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-05-11 Published:2011-05-11

基于RSSI误差分析的无线传感器网络定位研究

陈三风1，2，陈万明3

1.深圳信息职业技术学院信息技术研究所，广东深圳 518029
2.深圳市可视媒体处理与传输重点实验室，广东深圳 518029
3.中国科学技术大学，自动化系，合肥 230027

Abstract

Abstract: A new localization algorithm for Wireless Sensor Networks（WSN） is proposed in this paper.The new algorithm can handle some problems of WSN.The two key factors that result in error of distance measurement by RSSI are analyzed in this paper.In order to reduce the RSSI error，the parameters are amended online with three network nodes.The simulation results show that the algorithm is effective.

Key words: Wireless Sensor Network（WSN）, network node, Received Signal Strength Indicator（RSSI） Error

摘要： 提出了一种新的无线传感器网络定位算法，该定位算法主要用来有效处理无线传感器网络在实际应用地理环境中遇到的一些问题，使得算法更适应于实际应用环境。研究分析了在实际应用环境中，导致RSSI测距产生误差的两大因素，基于此提出了RSSI信号理论模型在线修正方法及使用三个网络节点来实现定位的方案，以减小RSSI误差对定位精度的影响。仿真实验结果表明，算法是有效可行的。

关键词: 无线传感器网络, 网络节点, 接收信号的强度指示（RSSI）误差

CHEN Sanfeng1，2，CHEN Wanming3. Localization algorithm based on analysis of RSSI error for Wireless Sensor Networks[J]. Computer Engineering and Applications, 2011, 47(14): 10-12.

陈三风1，2，陈万明3. 基于RSSI误差分析的无线传感器网络定位研究[J]. 计算机工程与应用, 2011, 47(14): 10-12.

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Localization algorithm based on analysis of RSSI error for Wireless Sensor Networks

基于RSSI误差分析的无线传感器网络定位研究

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