Title :
A wireless and batteryless sensor node powered via 2-D waveguide sheet
Author :
Noda, Akihito ; Shinoda, Hiroyuki
Author_Institution :
Dept. of Inf. Phys. & Comput., Univ. of Tokyo, Tokyo, Japan
Abstract :
Two-dimensional waveguide power transmission (2DWPT) has been recently improved in efficiency and in electromagnetic compatibility (EMC). In this paper, we present the first EMC-compliant 2DWPT-powered wireless sensor system. The efficiency, from the RF input into the sheet to the dc output of a rectifying coupler, is 40.4% at a maximum, where the sheet has nearly 100 times larger area than the coupler. The first 2DWPT-powered sensor platform device is developed by integrating the high-efficiency rectifying coupler and a Bluetooth data acquisition/transmission module. We present a trial system in which a dc output voltage of an arbitrary sensor connected to the analog input port is monitored on the remote computer every 100 milliseconds in real-time. The proposed device can support power-consuming continuous data-streaming without battery life limitation.
Keywords :
Bluetooth; data acquisition; data communication; electromagnetic compatibility; radiofrequency power transmission; waveguide couplers; wireless sensor networks; 2D waveguide power transmission; 2D waveguide sheet; 2DWPT; Bluetooth; EMC; batteryless sensor node; data acquisition; data transmission; electromagnetic compatibility; rectifying coupler; remote computer; wireless sensor node; wireless sensor system; Bluetooth; Couplers; Electromagnetic waveguides; Harmonic analysis; Radio frequency; Wireless communication; Wireless sensor networks; Two-dimensional waveguide power transmission; electromagnetic compatibility (EMC); rectifying coupler; wireless sensor network (WSN);
Conference_Titel :
Networked Sensing Systems (INSS), 2012 Ninth International Conference on
Conference_Location :
Antwerp
Print_ISBN :
978-1-4673-1784-9
Electronic_ISBN :
978-1-4673-1785-6
DOI :
10.1109/INSS.2012.6240535
