Design and Characterization of Compact Antennas for Wireless Sensing Applications

This paper addresses the design and the characterization of compact antennas designed for wireless sensing applications. More precisely these antennas have to be integrated in the rectenna part of a battery-free and wirelessly powered wireless sensing node embedded in a concrete material. A 3D compa...

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Bibliographic Details
Published in:2020 International Workshop on Antenna Technology (iWAT) pp. 1 - 4
Main Authors: Sidibe, Alassane, Loubet, Gael, Takacs, Alexandru, Dragomirescu, Daniela
Format: Conference Proceeding
Language:English
Published: IEEE 01.02.2020
Subjects:
Antenna measurements
compact antenna
Dipole antennas
energy harvesting
Rectennas
Sensors
Three-dimensional displays
Topology
Transmitting antennas
Wireless communication
Wireless power transmission
wireless sensing
Wireless sensor networks
wireless sensors network
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Summary:This paper addresses the design and the characterization of compact antennas designed for wireless sensing applications. More precisely these antennas have to be integrated in the rectenna part of a battery-free and wirelessly powered wireless sensing node embedded in a concrete material. A 3D compact dipole antenna topology is presented, it exhibits at maximum gain of +1.7 dBi at 868 MHz. By integrating this antenna in a metallic cavity, the gain can be enhanced to +4.5 dBi minimizing also the negative impact and the detuning effect of the concrete material on the antenna performances.
DOI:10.1109/iWAT48004.2020.1570616078