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Duty-Cycle Power Manager for Thermal-Powered Wireless Sensor Networks

Abstract : Exploiting energy from the environment to extend the system lifetime of Wireless Sensor Network (WSN), especially thermal energy, is considered as a promising approach. When considering self-powered systems, the Power Manager (PM) plays an important role in energy harvesting WSNs. Instead of minimizing the consumed energy as in the case of battery-powered systems, it causes the harvesting node to converge to Energy Neutral Operation (ENO) in order to achieve a theoretically infinite lifetime. In this paper, a low complexity PM for a thermal-powered WSN is presented. Our PM adapts the duty cycle of the node according to the estimation of harvested energy and the consumed energy provided by a simple energy monitor for a super capacitor based WSN to achieve the ENO. Experiments are performed on a real WSN platform where harvested energy is extracted from the wasted heat of a PC adapter by two thermoelectric generators.
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https://hal.archives-ouvertes.fr/hal-00921315
Contributor : Sophie Gaffé-Clément <>
Submitted on : Monday, July 11, 2016 - 6:58:02 AM
Last modification on : Thursday, January 7, 2021 - 4:15:57 PM

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Trong Nhan Le, Alain Pegatoquet, Olivier Sentieys, Olivier Berder, Cécile Belleudy. Duty-Cycle Power Manager for Thermal-Powered Wireless Sensor Networks. 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Sep 2013, Londres, United Kingdom. pp.1645-1649, ⟨10.1109/PIMRC.2013.6666406⟩. ⟨hal-00921315v2⟩

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