Application of Kalman Filter for positioning precision improvement in UWB localization system

被引：0
|
作者：
Djaja-Josko, Vitomir [1 ]
Kolakowski, Jerzy [1 ]
机构：
[1] Warsaw Univ Technol, Inst Radioelect & Multimedia Technol, Nowowiejska 15-19, PL-00665 Warsaw, Poland
来源：
2016 24TH TELECOMMUNICATIONS FORUM (TELFOR) | 2016年
关键词：
localization systems; UWB; wireless synchronization; CLOCK SYNCHRONIZATION;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Accuracy and precision of positioning in UWB localization system depends on the quality of clock oscillators. Usually clock frequencies in particular nodes have different offsets what influences system performance. The paper presents a method for nodes synchronization and distribution of reference time interval. Anchor nodes measure time of arrival of packets conveying reference time information. A Kalman Filter based method for measurement result processing leading to positioning precision improvement is described in the paper. Results of simulations and experiments confirming method efficiency are presented and discussed. Accuracy and precision improvement is presented using CEP (Circular Error Probability) values and positioning error's CDFs (Cumulative Distribution Functions).
引用
收藏
页码：177 / 180
页数：4
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