Vol. 44

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2013-10-10

Metamaterial-Based Highly Directive Antenna: Application in a Monochromatic Wave Radar for a Contactless Measurement of the Breathing Activity

By Riad Yahiaoui, Regis Chantalat, Nicolas Chevalier, Marc Jouvet, and Michele Lalande
Progress In Electromagnetics Research C, Vol. 44, 185-195, 2013
doi:10.2528/PIERC13090503

Abstract

We report the numerical and experimental investigation of a highly directive Fabry-Perot (FP) cavity antenna based on a metamaterial, operating in the microwave regime. Numerical simulations using finite element method and reflection-transmission microwave measurements have been performed and a good quantitative agreement has been observed. Measured return losses and radiations patterns done in an anechoic chamber agree very well with the simulated ones. The potential application of the proposed FP cavity antenna in a non-contact breathing sensor is proposed and evaluated. Experimental record and frequency spectrum for respiratory movements of human-being (voluntary under test) are presented. The low cost and simple fabrication process of the proposed FP cavity antenna make it very promising for its integration in modern telecommunication systems.

Citation


Riad Yahiaoui, Regis Chantalat, Nicolas Chevalier, Marc Jouvet, and Michele Lalande, "Metamaterial-Based Highly Directive Antenna: Application in a Monochromatic Wave Radar for a Contactless Measurement of the Breathing Activity," Progress In Electromagnetics Research C, Vol. 44, 185-195, 2013.
doi:10.2528/PIERC13090503
http://www.jpier.org/PIERC/pier.php?paper=13090503

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