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Augmenting IoT networks with backscatter-enabled passive sensor tags
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.
2016 (English)In: Proceedings of the 3rd Workshop on Hot Topics in Wireless, 2016, 23-27 p.Conference paper (Refereed)
Abstract [en]

The sensing modalities available in an Internet-of-Things (IoT) network are usually fixed before deployment, when the operator selects a suitable IoT platform. Retrofitting a deployment with additional sensors can be cumbersome, because it requires either modifying the deployed hardware or adding new devices that then have to be maintained. In this paper, we present our vision and work towards passive sensor tags: battery-free devices that allow to augment existing IoT deployments with additional sensing capabilities without the need to modify the existing deployment. Our passive sensor tags use backscatter transmissions to communicate with the deployed network. Crucially, they do this in a way that is compatible with the deployed network's radio protocol, and without the need for additional infrastructure. We present an FPGA-based prototype of a passive sensor tag that can communicate with unmodified 802.15.4 IoT devices. Our initial experiments with the prototype support the feasibility of our approach. We also lay out the next steps towards fully realizing the vision of passive sensor tags.

Place, publisher, year, edition, pages
2016. 23-27 p.
Keyword [en]
Backscatter communication, Internet of Things, Wireless
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:uu:diva-306898DOI: 10.1145/2980115.2980132ISBN: 978-1-4503-4251-3OAI: oai:DiVA.org:uu-306898DiVA: diva2:1044679
Conference
3rd Workshop on Hot Topics in Wireless, HotWireless
Available from: 2016-11-04 Created: 2016-11-04 Last updated: 2016-11-04

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Pérez-Penichet, CarlosHermans, FrederikVarshney, AmbujVoigt, Thiemo
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