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9 octobre 2021
- handle: 10670/1.x0eaa3
- hal: hal-03371964
- doi: 10.3390/electronics10202449
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info:eu-repo/semantics/altIdentifier/doi/10.3390/electronics10202449
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Achille Fumtchum et al., « Towards a Battery-Free Wake-Up Radio », HAL-SHS : sciences de l'information, de la communication et des bibliothèques, ID : 10.3390/electronics10202449
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Résumé
This paper proposes a contribution to the development of autonomous wake-up radios from the energy supply perspective. More precisely, a rectifier circuit, designed and manufactured in order to provide the energy needed for a quasi passive wake-up radio receiver (WuRx). The WuRx is intended to operate continuously and to ensure a zero energy consumption in standby mode. After the presentation of the said WuRx, the energy requirement for its power supply is defined. Then, the energy harvesting circuit, able to power up the quasi-passive WuRx, is designed, implemented, and then measured. Compared to the state of the art, the energy harvester that we present here is among the few recent designs that replaced the matching network lumped component by butterfly stubs, which brings compactness to the circuit. The rectifier is built on a high efficiency substrate which increases its performance and reduces its form factor.