volume | PIER Journals

Abstract

This paper presents a rectifying antenna (rectenna) for the harvesting of the microwave energy associated to UHF (Ultra-High Frequency) Radio Frequency IDentification (RFID) systems. The proposed device uses a capacitively loaded T-shaped monopole with a coplanar waveguide feeding line as receiving antenna and a five-stage voltage multiplier as rectifier. Experimental results demonstrating an RF-to-DC conversion efficiency of about 54% with an input power density of 80 μW/cm² will be presented and discussed.

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Dr. Giuseppina Monti

Dr. Fabrizio Congedo

Dr. Danilo De Donno

Dr. Luciano Tarricone