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Title: A 65-nm CMOS battery-less temperature sensor node for RF-powered wireless sensor networks
Authors: Popov, Grigory
Dualibe, Fortunato C.
Moeyaert, Veronique
Ndungidi, Papy
García-Vázquez, Hugo 
Valderrama, Carlos
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: Temperature sensors
Temperature measurement
Voltage-controlled oscillators
Wireless sensor networks, et al
Issue Date: 2016
Journal: 2016 IEEE Wireless Power Transfer Conference, WPTC 2016
Abstract: This work presents the design of a temperature sensor in a 65nm CMOS technology, which is powered by harvesting the electromagnetic energy in the ISM frequency band (2.4GHz). The power consumption of the sensor was substantially reduced so that the energy required to operate could be stored in a 50μF external capacitor. The rectifier sensitivity has been improved so as to allow autonomous operation from a distance of 2m to a conventional Wi-Fi transmitter (2.4GHz@100mW). To achieving these features, all circuits were designed for operating at 0.5V supply voltage. The measured temperature value is transmitted within another frequency band, the European UHF (867 MHz), by using 4-FSK modulation.
ISBN: 9781467379861
DOI: 10.1109/WPT.2016.7498806
Source: 2016 IEEE Wireless Power Transfer Conference, WPTC 2016 (7498806)
Appears in Collections:Actas de congresos
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