High Efficiency Rectifier for a Quasi-Passive Wake-up Radio

Achille Fumtchum 1 Florin Hutu 2 Pierre Tsafack 1 Guillaume Villemaud 2 Emmanuel Tanyi 1
2 SOCRATE - Software and Cognitive radio for telecommunications
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : The ubiquity of wireless sensor networks (WSN), as well as the rapid development of the Internet of Things (IoT), impel new approaches to reduce the energy consumption of the connected devices. The wake-up radio receivers (WuRx) were born in this context to reduce as much as possible the energy consumption of the radio communication part. This article aims at proposing a low-cost, high-efficiency rectifier to improve a quasi-passive WuRx performance in terms of communication range. By optimizing the wideband matching circuit and the proposed rectifier's load impedance, the sensitivity was increased by 5 dB, corresponding to an increase of the communication range (13 meters in free space).
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Achille Fumtchum, Florin Hutu, Pierre Tsafack, Guillaume Villemaud, Emmanuel Tanyi. High Efficiency Rectifier for a Quasi-Passive Wake-up Radio. ISSCS 2019 - 14-th International Symposium on Signals, Circuits and Systems, Jul 2019, Iasi, Romania. pp.1-4, ⟨10.1109/ISSCS.2019.8801754⟩. ⟨hal-02138667⟩

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