非视线传播
计算机科学
视力
信号强度
视线
定位系统
直线(几何图形)
室内定位系统
混合定位系统
信号(编程语言)
计算机视觉
实时计算
人工智能
电信
无线
工程类
加速度计
航空航天工程
物理
几何学
数学
结构工程
天文
节点(物理)
程序设计语言
操作系统
作者
Zhiyou Ni,Haibo Zhou,Guozheng Zhang,Wangbei Xu
标识
DOI:10.1109/iccsn57992.2023.10297383
摘要
Ultra-Wide Band (UWB) positioning system has become the main research object in indoor positioning field due to its superior positioning performance. Accuracy at the scale of centimeters is achievable in an ideal positioning scenario. Nonetheless, the intricate and changeable indoor surroundings may cause UWB signals to propagate beyond the line-of-sight (LOS) and weaken in signal strength, resulting in a considerable reduction in the precision of positioning. In this paper, methods for identifying non-line-of-sight (NLOS) errors, alleviating NLOS errors, and integrating multi-sensor information are analyzed and studied to provide reference for improving the NLOS positioning accuracy of UWB.
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