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Towards wide-area backscatter networks
Uppsala University, Sweden.
Uppsala University, Sweden.
Uppsala University, Sweden.
RISE - Research Institutes of Sweden, ICT, SICS. Uppsala University, Sweden.ORCID iD: 0000-0002-2586-8573
2017 (English)In: HotWireless 2017 - Proceedings of the 4th ACM Workshop on Hot Topics in Wireless, co-located with MobiCom 2017, 2017, p. 49-53Conference paper, Published paper (Refereed)
Abstract [en]

Backscatter communication-reflecting or absorbing ambient wireless signals - enables transmissions at several orders of magnitude lower energy cost when compared to conventional low-power radios. The past few years have seen signficiant progress with systems demonstrating the ability to synthesise transmissions that are compatible with WiFi, ZigBee or BLE at μWs of power consumption. However, these systems achieve a maximum communication range of tens of meters which severely limits the possible applications. On the other hand, our recent system LoRea demonstrates that backscatter communication can achieve a significantly longer range reaching upto a few kms when the tag is co-located with the carrier source. In our vision, such a large range could be a key enabler to develop wide-area networks of battery-free sensors. In this paper, we build on our system LoRea and identify issues of improving the reliability of weak backscatter links, increasing the range and supporting the operation of multiple tags as the key challenge to our vision, and present our preliminary efforts to address them.

Place, publisher, year, edition, pages
2017. p. 49-53
Keywords [en]
Backscatter, Battery-free sensors, Long range communication, LoRa, Backscattering, Radio broadcasting, Radio transmission, Battery-free, Communication range, Long-range communications, Low power radios, Lower energies, Orders of magnitude, Wireless signals, Wide area networks
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-33209DOI: 10.1145/3127882.3127888Scopus ID: 2-s2.0-85039950898ISBN: 9781450351409 OAI: oai:DiVA.org:ri-33209DiVA, id: diva2:1179226
Conference
4th ACM Workshop on Hot Topics in Wireless, HotWireless 2017, 16 October 2017
Available from: 2018-01-31 Created: 2018-01-31 Last updated: 2018-07-04Bibliographically approved

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Voigt, Thiemo

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