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- W4385859857 abstract "Statistics reveal that construction has one of the highest fatality rates among all industries. A solution to improve construction sites’ safety and avoid accidents is the precise localization of personnel and equipment. Tracking with Ultra-Wideband (UWB) has proved to be suitable for construction site applications due to its high location estimation accuracy, high signal penetration, and low power consumption. However, if the line-of-sight (LOS) between the tag and the anchors is blocked, the location estimation accuracy deteriorates. Due to the dynamic nature of the construction sites, the workers and personnel can easily block the LOS and create non-line-of-sight (NLOS) or quasi-line-of-sight (quasi-NLOS) conditions, which can lead to high errors in positioning accuracy. However, it should be determined how significantly NLOS and quasi-NLOS conditions affect the accuracy. Accordingly, the objective of this study is to investigate the effect of human body blockage on location estimation accuracy by conducting some experiments. The impact of the number of the human blocks and their position with respect to the anchors and the tag is evaluated in NLOS and quasi-NLOS scenarios. 2D and 3D accuracies are calculated to compare the estimated locations and the actual ones. The results indicated that placing the anchors at an elevation higher than the height of human blocks and keeping the human blocks closer to the anchors in comparison with the tag provides more accurate location estimations." @default.
- W4385859857 created "2023-08-17" @default.
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- W4385859857 date "2023-01-01" @default.
- W4385859857 modified "2023-09-25" @default.
- W4385859857 title "The Effect of Human Body Blockage on UWB Tracking Accuracy in Construction Sites" @default.
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- W4385859857 doi "https://doi.org/10.1007/978-3-031-34593-7_5" @default.
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