基于多个WiFi信号的多层住宅室内定位

2021 International Conference on Innovation and Intelligence for Informatics, Computing, and Technologies (3ICT) Pub Date : 2021-09-29 DOI:10.1109/3ICT53449.2021.9581799

E. Magsino, J. Sim, Rica Rizabel M. Tagabuhin, J. J. Tirados

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引用次数: 0

摘要

通过室内定位系统的实施，可以在多层建筑中跟踪个人、设备、商店位置和楼层。在本实验研究中，我们利用安装在三层住宅不同位置的多个WiFi接收信号强度指示器(RSSI)信号实现了多层室内定位方案。最初，我们的工作重点是间隔一米的静态目标位置，并捕获来自不同楼层的四个WiFi路由器的RSSI读数。这些RSSI读数存储在指纹数据库中。为了定位室内目标，计算离线和在线(由带有开发的RSSI捕获应用程序的智能手机捕获)RSSI读数之间的相互关系。我们的经验结果表明，当仅使用RSSI值的三分钟时间序列的平均值时，正确定位静态室内位置的率为90%。我们每200毫秒捕获一次WiFi RSSI值，并利用时间反转谐振强度(TRRS)概念提出定位。

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Indoor Localization of a Multi-story Residential Household using Multiple WiFi Signals

Tracking individuals, equipment, store locations, and floor level in a multi-story building becomes accessible through the implementation of an indoor positioning system. In this experimental study, we implement a multi-story indoor localization scheme by utilizing multiple WiFi Received Signal Strength Indicator (RSSI) signals installed in various locations of a three-floor residential household. Initially, our work focuses on static target locations spaced one meter apart and captures RSSI readings from four WiFi routers coming from different floors. These RSSI readings are stored in a database of fingerprints. To localize an indoor target, the cross-correlation between the offline and online (captured by a smartphone with a developed RSSI-capturing application) RSSI readings is calculated. Our empirical results have shown a 90% rate of correctly localizing a static indoor location when using only the average of a three-minute time series of RSSI values. We captured the WiFi RSSI values every 200 ms and present the localization utilizing the Time Reversal Resonating Strength (TRRS) concept.

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2021 International Conference on Innovation and Intelligence for Informatics, Computing, and Technologies (3ICT)

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