WULoRa: An Energy Efficient IoT End-Node for Energy Harvesting and Heterogeneous Communication

Abstract : Intelligent connected objects, which build the IoT, are electronic devices usually supplied by batteries that significantly limit their lifetime. These devices are expected to be deployed in very large numbers, and manual replacement of their batteries will severely restrict their large-scale or wide-area deployments. Therefore energy efficiency is of the utmost importance in the design of these devices. The wireless communication between the distributed sensor devices and the host stations can consume significant energy, even more when data needs to reach several kilometers of distance. In this paper, we present an energy-efficient multi-sensing platform that exploits energy harvesting , long-range communication and ultra-low-power short-range wake-up radio to achieve self sustainability in a kilometer range network. The proposed platform is designed with power efficiency in mind and exploits the always-on wake-up radio as both receiver and a power management unit to significantly reduce the quiescent current even continuously listening the wireless channel. Moreover the platform allows the building of an heterogeneous long-short range network architecture to reduce the latency and reduce the power consumption in listening phase at only 4.6µW. Experimental results and simulations demonstrate the benefits of the proposed platform and heterogeneous network.
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Communication dans un congrès
IEEE/ACM Design, Automation & Test in Europe Conference & Exhibition (DATE), Mar 2017, Lausanne, Switzerland. Proceedings of the 2017 Design, Automation & Test in Europe (DATE), 〈https://www.date-conference.com/〉
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Michele Magno, Fayçal Ait Aoudia, Matthieu Gautier, Olivier Berder, Luca Benini. WULoRa: An Energy Efficient IoT End-Node for Energy Harvesting and Heterogeneous Communication. IEEE/ACM Design, Automation & Test in Europe Conference & Exhibition (DATE), Mar 2017, Lausanne, Switzerland. Proceedings of the 2017 Design, Automation & Test in Europe (DATE), 〈https://www.date-conference.com/〉. 〈hal-01501163〉

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