IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
High efficiency mw-band dielectric resonator rectenna using distributed capacitors
Kazuhiro HondaTomohiro YamashitaKun Li
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2016 Volume 5 Issue 8 Pages 254-259

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Abstract

This paper presents experimental studies on the improvement of RF-DC conversion efficiency of the rectenna using a high Q λ/4-coaxial dielectric resonator and distributed capacitors at 850 MHz. In order to achieve an ultimate efficiency, we have constructed a rectenna using both a coaxial dielectric resonator and a film capacitor. The measured results show that the developed rectenna has an RF-DC conversion efficiency of 76.2% and 44.1% at a low input power of 1 mW and 0.1 mW that achieves the 20%-efficiency improvement compared with the rectenna with an LC resonator.

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© 2016 The Institute of Electronics, Information and Communication Engineers
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