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http://dx.doi.org/10.9717/kmms.2021.24.12.1682

Implementation of UWB Indoor Positioning and Real-time Remote Control System for Disaster Monitoring based on Digital Twin  

Yu, Da-Song (Dept. of Multimedia Engineering, Andong National University)
Kim, Won-Suk (Dept. of Multimedia Engineering, Andong National University)
Publication Information
Journal of Korea Multimedia Society / v.24, no.12, 2021 , pp. 1682-1692 More about this Journal
Abstract
Digital Twin, one of the core technologies of the Fourth Industrial Revolution, is attracting attention as a very suitable technology for disaster monitoring such as fires and earthquakes. In this paper, we implement a system equipped with UWB RTLS(Ultra-Wideband Real Time Location System), real-time remote control, and video streaming, which are element technologies for disaster monitoring digital twin. Since the proposed system structure is based on a cloud server, the actual location of the UWB indoor positioning-based client is transmitted to the user device in real time and stored on the cloud server for statistical and data analysis. In addition, we demonstrate through experiments that outliers occurs when the value of RSSI(Received Signal Strength Indicator) decreases due to communication collisions between UWB Tags, and propose an RSSI outlier correction algorithm to solve this problem.
Keywords
Ultra Wideband; Real Time Location System; Digital Twin; Streaming;
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