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Battery-free 802.15.4 Receiver
Uppsala University, Sweden.
Mid-Sweden University, Sweden.
Uppsala University, Sweden.
RISE - Research Institutes of Sweden, ICT, SICS. Uppsala University, Sweden.ORCID iD: 0000-0002-2586-8573
2018 (English)In: Proceedings of the 17th ACM/IEEE International Conference on Information Processing in Sensor Networks, 2018, p. 164-175Conference paper, Published paper (Refereed)
Abstract [en]

We present the architecture of an 802.15.4 receiver that, for the first time, operates at a few hundred microwatts, enabling new battery-free applications. To reach the required micro-power consumption, the architecture diverges from that of commodity receivers in two important ways. First, it offloads the power-hungry local oscillator to an external device, much like backscatter transmitters do. Second, we avoid the energy cost of demodulating a phase-modulated signal by treating 802.15.4 as a frequency-modulated one, which allows us to receive with a simple passive detector and an energy-efficient thresholding circuit. We describe a prototype that can receive 802.15.4 frames with a power consumption of 361 μW. Our receiver prototype achieves sufficient communication range to integrate with deployed wireless sensor networks (WSNs).We illustrate this integration by pairing the prototype with an 802.15.4 backscatter transmitter and integrating it with unmodified 802.15.4 sensor nodes running the TSCH and Glossy protocols.

Place, publisher, year, edition, pages
2018. p. 164-175
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-36462DOI: 10.1109/IPSN.2018.00045Scopus ID: 2-s2.0-85056287378OAI: oai:DiVA.org:ri-36462DiVA, id: diva2:1271434
Conference
2018 17th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN)
Available from: 2018-12-17 Created: 2018-12-17 Last updated: 2019-01-07Bibliographically approved

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Publisher's full textScopushttps://doi.org/10.1109/IPSN.2018.00045

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Voigt, Thiemo

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  • apa
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