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Efficient direct-matching rectenna design for RF power transfer applications

By S. Keyrouz and H.J. Visser

Abstract

This paper presents the design, simulation, fabrication and measurements of a 50 ohm rectenna system. The paper investigates each part (in terms of input impedance) of the rectenna system starting from the antenna, followed by the matching network, to the rectifier. The system consists of an antenna, which captures the transmitted RF signal, connected to a rectifier which converts the AC captured signal into a DC power signal. For maximum power transfer, a matching network is designed between the rectifier and the antenna. At an input power level of -10 dBm, the system is able to achieve an RF/DC power conversion efficiency of 49.7

Year: 2013
DOI identifier: 10.1088/1742-6596/476/1/012093
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Provided by: NARCIS
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