Zhang, J, Li, Y, Xiao, W et al. (1 more author) (2022) Online Spatiotemporal Modeling for Robust and Lightweight Device-Free Localization in Nonstationary Environments. IEEE Transactions on Industrial Informatics. ISSN 1551-3203
Abstract
Recent advances in WiFi-based device-free localization (DFL) mainly focus on stationary scenarios, and ignore the environmental dynamics, hindering the large-scale implementation of the DFL technique. In order to enhance the localization performance in nonstationary environments, in this paper, a novel multidomain collaborative extreme learning machine (MC-ELM)-based DFL framework is proposed. Specifically, the whole environment is first divided into several sub-domains depending on the distributions of the collected data using clustering algorithm, and a corresponding number of local DFL models are then built to represent these sub-domains separately. Finally, a global DFL model is achieved through seamlessly integrating all the local DFL models in a global optimization manner. The created MC-ELM-based DFL model also can be incrementally updated with sequentially coming data without retraining to track the environmental dynamics. Extensive experiments in several indoor environments demonstrate the robustness and generalization of the proposed MC-ELM-based DFL framework.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2022 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. |
Keywords: | Device-free localization; multidomain representation; nonstationary environments; model incremental updating |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Electronic & Electrical Engineering (Leeds) > Robotics, Autonomous Systems & Sensing (Leeds) |
Funding Information: | Funder Grant number EU - European Union 101023097 |
Depositing User: | Symplectic Publications |
Date Deposited: | 01 Nov 2022 15:16 |
Last Modified: | 16 May 2023 10:59 |
Status: | Published online |
Publisher: | Institute of Electrical and Electronics Engineers |
Identification Number: | 10.1109/TII.2022.3218666 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:192729 |