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dc.contributor.advisor | Wan, Yan | |
dc.creator | Idelhaj, Ayoub | |
dc.date.accessioned | 2021-09-14T16:37:05Z | |
dc.date.available | 2021-09-14T16:37:05Z | |
dc.date.created | 2021-08 | |
dc.date.issued | 2021-08-13 | |
dc.date.submitted | August 2021 | |
dc.identifier.uri | http://hdl.handle.net/10106/30030 | |
dc.description.abstract | This thesis investigates model-based and data-driven approaches for indoor localization using the Received Signal Strength Indicator (RSSI) of Wi-Fi signals. We study multiple model-based indoor localization approaches, including the free space path loss model, the log-distance path loss model, the International Telecommunication Union (ITU) model, and a nonlinear regression model. We examine their indoor localization accuracy using raw RSSI values, and filter RSSI values passed through a Moving Average filter and a Kalman filter. For data driven approaches, we employ a family of Extreme Learning Machine (ELM) algorithms including Basic-ELM, Online Sequential-ELM (OS-ELM), Hierarchical-ELM (H-ELM), and Kernel-ELM (K-ELM), to find the indoor position. We provide simulation results comparing the performances of both the Machine-learning based approaches and model-based approaches in terms of localization error to identify the algorithms with the lowest localization error. | |
dc.format.mimetype | application/pdf | |
dc.language.iso | en_US | |
dc.subject | Received signal strength indicator (RSSI) | |
dc.subject | International telecommunication union (ITU) | |
dc.subject | Extreme learning machine (ELM) | |
dc.title | WI-FI-BASED INDOOR LOCALIZATION USING MODEL-BASED AND DATA-DRIVEN APPROACHES | |
dc.type | Thesis | |
dc.degree.department | Electrical Engineering | |
dc.degree.name | Master of Science in Electrical Engineering | |
dc.date.updated | 2021-09-14T16:37:06Z | |
thesis.degree.department | Electrical Engineering | |
thesis.degree.grantor | The University of Texas at Arlington | |
thesis.degree.level | Masters | |
thesis.degree.name | Master of Science in Electrical Engineering | |
dc.type.material | text | |
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