volume | PIER Journals

Abstract

This paper proposes a rectifying antenna (rectenna) for operation in the ISM (Industrial, Scientific and Medical) band centered at 2.45 GHz. It consists of a modified circular monopole loaded with a rectangular ring and a half-wave rectifier. Numerical and experimental data are reported and discussed. From measurements, it is demonstrated that, when the power density incident on the monopole is 155 μW/cm², the device here presented exhibits values of the RF-to-DC conversion efficiency higher than 30 % in the frequency range 2.35-2.5 GHz with a maximum of about 50 % at 2.45 GHz.

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43. Monti, G., L. Catarinucci, and L. Tarricone, "Experimental validation of a plasma model for electromagnetic metal foam shields," IEEE MTT-S International Microwave Symposium Digest, 145-148, 2009. Google Scholar

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Dr. Giuseppina Monti

Dr. Laura Corchia

Dr. Luciano Tarricone