Towards battery-less RF sensing

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A4 Artikkeli konferenssijulkaisussa
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Date
2021-05-25
Department
Dept Signal Process and Acoust
Department of Communications and Networking
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Language
en
Pages
4
352-355
Series
2021 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, PerCom Workshops 2021, IEEE international conference on pervasive computing and communications workshops
Abstract
Recent work has demonstrated the use of the radio interface as a sensing modality for gestures, activities and situational perception. The field generally moves towards larger bandwidths, multiple antennas, and higher, mmWave frequency domains, which allow for the recognition of minute movements. We envision another set of applications for RF sensing: battery-less autonomous sensing devices. In this work, we investigate transceiver-less passive RF-sensors which are excited by the fluctuation of the received power over the wireless channel. In particular, we demonstrate the use of battery-less RF-sensing for applications of on-body gesture recognition integrated into smart garment, as well as the integration of such sensing capabilities into smart surfaces.
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Funding Information: The authors appreciate partial funding from the Academy of Finland project ABACUS. Publisher Copyright: © 2021 IEEE.
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DOI
10.1109/PerComWorkshops51409.2021.9431010
Citation
Kodali, M, Nguyen, L N & Sigg, S 2021, Towards battery-less RF sensing . in 2021 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events, PerCom Workshops 2021 ., 9431010, IEEE international conference on pervasive computing and communications workshops, IEEE, pp. 352-355, IEEE International Conference on Pervasive Computing and Communications Workshops, Kassel, Hesse, Germany, 22/03/2021 . https://doi.org/10.1109/PerComWorkshops51409.2021.9431010
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https://urn.fi/URN:NBN:fi:aalto-202202021653
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[article-cris] Sähkötekniikan korkeakoulu / ELEC