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http://hdl.handle.net/10397/107203
Title: | The application of machine learning techniques on channel frequency response based indoor positioning in dynamic environments | Authors: | Rocamora, JM Ho, IWH Mak, MW |
Issue Date: | 2018 | Source: | In Proceedings of 2018 IEEE International Conference on Sensing, Communication and Networking (SECON Workshops), 11 June 2018, Hong Kong, China | Abstract: | Traditional IPS uses triangulation based on signal strength but its accuracy is impaired in non-line-of-sight (NLOS) situations. Among the available wireless technologies for indoor positioning, WiFi is a good candidate since it is supported by existing mobile devices and infrastructure indoors, and it can operate under both LOS and NLOS conditions. One of the cutting-edge WiFi-based localization techniques exploits time-reversal resonating strength (TRRS) of coherent channel frequency responses (CFR). The basic concept of CFR-based positioning is based on the similarity measure between the testing CFR and the pre-recorded CFR fingerprints. A common assumption in previous works is that the wireless channel is time invariant. In this paper, we study CFR-based positioning in a dynamic indoor environment. Using the collected channel response fingerprints for both LOS and NLOS scenarios, we exploit supervised machine learning techniques to enhance the processing speed while achieving high positioning accuracy under the effect of dynamic wireless channels. | Keywords: | Channel frequency response (CFR) Indoor positioning system (IPS) Support Vector Machine (SVM) |
Publisher: | Institute of Electrical and Electronics Engineers | ISBN: | 978-1-5386-5241-1 (Electronic) 978-1-5386-5242-8 (Print on Demand(PoD)) |
DOI: | 10.1109/SECONW.2018.8396358 | Description: | 2018 IEEE International Conference on Sensing, Communication and Networking (SECON Workshops), 11 June 2018, Hong Kong, China | Rights: | ©2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication J. M. Rocamora, I. W. -H. Ho and M. -W. Mak, "The Application of Machine Learning Techniques on Channel Frequency Response Based Indoor Positioning in Dynamic Environments," 2018 IEEE International Conference on Sensing, Communication and Networking (SECON Workshops), Hong Kong, China, 2018 is available at https://doi.org/10.1109/SECONW.2018.8396358. |
Appears in Collections: | Conference Paper |
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Rocamora_Application_Machine_Learning.pdf | Pre-Published version | 1.24 MB | Adobe PDF | View/Open |
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