LOCALIZATION FOR MOBILE TARGET IN WIRELESS SENSOR NETWORKS

被引：0
|
作者：
Chen Jiming Cao Kejie Shi Zhiguo*Xu Weiqiang**Sun Youxian (State Key Lab of Industrial Control Technology
机构：
来源：
JournalofElectronics(China) | 2008年 / 04期
基金：
中国国家自然科学基金;
关键词：
Wireless sensor networks; Localization; Target tracking; Selective activation; Quality- energy tradeoff;
D O I：
暂无
中图分类号：
TP212.9 [传感器的应用]; TN929.5 [移动通信];
学科分类号：
080202 ; 080402 ; 080904 ; 0810 ; 081001 ;
摘要：
A precise localization for mobile target in wireless sensor networks is presented in this letter,where a geometrical relationship is explored to improve the location estimation for mobile target,in-stead of a simple centroid approach.The equations of location compensation algorithm for mobiletarget are derived based on linear trajectory prediction and sensor selective activation.The resultsbased on extensive simulation experiments show that the compensation algorithm gets better per-formance in metrics of quality of tracking and energy efficiency with the change of sensor sensing range,the ratio of sensing range and sensor activation range,and the data sampling rate than traditionalmethods,which means our proposing can achieve better quality-energy tradeoff for mobile target inwireless sensor networks.
引用
收藏
页码：523 / 528
页数：6
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