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    Exploring the Boundaries of Ambient RF Energy Harvesting With LoRaWAN

    Finnegan, Joseph and Niotaki, Kyriaki and Brown, Stephen (2021) Exploring the Boundaries of Ambient RF Energy Harvesting With LoRaWAN. IEEE Internet of Things Journal, 8 (7). pp. 5736-5743. ISSN 2372-2541

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    —Environmental monitoring is an important application for wireless sensing devices. Battery power requires in-the-field replacement, and the chemicals involved are environmentally harmful, so harvested energy is a useful alternative. Previous research has shown the feasibility of powering LoRaWAN sensors using high-energy ambient or wireless transfer power sources. This article extends this work by exploring the boundaries of using low-energy radio-frequency (RF) ambient sources. Ambient RF energy harvesting is an attractive option, but it is more challenging due to the low levels of energy density typically available. Using an analytical LoRaWAN device model and RF energy data collected from around the world, a systematic investigation of the design and environmental space is performed. The main contribution of this article is to identify the boundaries of feasibility for powering LoRaWAN sensor nodes from ambient RF energy. These boundaries include design and environmental factors.

    Item Type: Article
    Additional Information: Cite as: J. Finnegan, K. Niotaki and S. Brown, "Exploring the Boundaries of Ambient RF Energy Harvesting With LoRaWAN," in IEEE Internet of Things Journal, vol. 8, no. 7, pp. 5736-5743, 1 April1, 2021, doi: 10.1109/JIOT.2020.3030349.
    Keywords: LoRaWAN; LPWAN; radio-frequency (RF); energy harvesting (EH);
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Item ID: 17461
    Identification Number:
    Depositing User: Stephen Brown
    Date Deposited: 24 Aug 2023 10:10
    Journal or Publication Title: IEEE Internet of Things Journal
    Publisher: MDPI
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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