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5.8 GHz high sensitivity rectenna array

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8 Author(s)
Nishida, K. ; Commun. Syst. Center, Mitsubishi Electr. Corp., Amagasaki, Japan ; Taniguchi, Y. ; Kawakami, K. ; Homma, Y.
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This paper presents the 5.8 GHz high sensitivity rectenna array with advanced microstrip-type rectifiers and circularly patch antennas achieving a good balance between a high-efficiency and RF weak power operation. The fabricated rectenna element has achieved RF-DC conversion efficiency of 54% at input RF power of 1mW. Furthermore, we have proposed the novel structure which enhances robustness to the breakdown of the diodes when the rectenna elements are arrayed.

Published in:

Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications (IMWS), 2011 IEEE MTT-S International

Date of Conference:

12-13 May 2011