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http://dx.doi.org/10.5515/KJKIEES.2013.24.3.286

Compact Rectenna System Design Using a Direct Impedance Matching Method  

Choi, Taemin (Department of Information and Communication Engineering, Soonchunhyang University)
Han, Sang-Min (Department of Information and Communication Engineering, Soonchunhyang University)
Publication Information
Abstract
In this paper, a compact rectenna system is designed using a circular sector antenna with harmonic-rejecting characteristics and a direct impedance matching method. The system is designed with bandpass filtering performed by the harmonic-rejection of the circular sector antenna and without impedance matching circuit for the diodes by the direct impedance matching technique. Therefore, while the rectifying circuit of the proposed system can be implemented without a bandpass filter and a impedance matching circuit, it is integrated on the back side of the antenna using precise fabrication techniques for coaxial feedings without degrading the system performances corresponding to the feeding points. From the experimental results, the optimized rectenna system has presented excellent performances of a conversion efficiency of more than 52 % and a conversion voltages of more than 1.5 V at 2.5 GHz.
Keywords
Rectennas; Active Integrated Antennas; Low-Power Rf Systems; Circular-Sector Antennas; Impedance Matching;
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Times Cited By KSCI : 1  (Citation Analysis)
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