Indoor Positioning System with UWB Based on a Digital Twin

被引：8
|
作者：
Lou, Ping [1 ]
Zhao, Qi [1 ]
Zhang, Xiaomei [1 ]
Li, Da [1 ]
Hu, Jiwei [1 ]
机构：
[1] Wuhan Univ Technol, Sch Informat Engn, Wuhan 430070, Peoples R China
来源：
SENSORS | 2022年 / 22卷 / 16期
关键词：
ultra-wideband (UWB); indoor positioning system (IPS); NLOS error; digital twin; HYBRID;
D O I：
10.3390/s22165936
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Ultra-wideband (UWB) technology is used for indoor positioning, but its positioning accuracy is usually degenerated by various obstacles in the indoor environment because of non-line-of-sight (NLOS). Facing the complex and changeable indoor environment, an indoor positioning system with UWB based on a digital twin is presented in this paper. The indoor positioning accuracy is improved with a perception-prediction feedback of cyber-physics space in this indoor positioning system. In addition, an anchor layout method with virtuality-reality interaction and an error mitigation method based on neural networks is put forward in this system. Finally, a case study is presented to validate this indoor positioning system with a significant improvement in positioning accuracy.
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收藏
页数：21
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