Experimental evaluation of reducing ranging-error based on receive signal strength indication in wireless sensor networks

被引：9

作者：

Jin, Rencheng ^{[1
]}

Xu, Hao ^{[1
]}

Che, Zhiping ^{[1
]}

He, Qingye ^{[1
]}

Wang, Liding ^{[1
]}

机构：

[1] Dalian Univ Technol, Res Ctr Microsyst Technol, Dalian 116024, Peoples R China

来源：

IET WIRELESS SENSOR SYSTEMS | 2015年 / 5卷 / 05期

关键词：

Sensor nodes;

D O I：

10.1049/iet-wss.2013.0139

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Node localisation technology is one of the most important technologies in wireless sensor networks. Receive signal strength indication (RSSI) technology is adopted to measure the distance between the sensor nodes in this paper, with comprehensive consideration of practicability, power consumption, cost and hardware. Reducing ranging-error has been the key to location technology based on RSSI. Considering the random and systematic error of ranging, three schemes to reduce the ranging-error are presented: outlier RSSI values processing, online modelling and error compensation. Through a large number of experiments under different conditions, it is demonstrated that the proposed three methods have better ranging performances, compared with the typical processing.

引用

页码：228 / 234

页数：7

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