Title :
5.8 GHz high sensitivity rectenna array
Author :
Nishida, Kazuhiro ; Taniguchi, Yuhei ; Kawakami, Kenji ; Homma, Yukihiro ; Mizutani, Hiroyuki ; Miyazaki, Moriyasu ; Ikematsu, Hiroshi ; Shinohara, Naoki
Author_Institution :
Commun. Syst. Center, Mitsubishi Electr. Corp., Amagasaki, Japan
Abstract :
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.
Keywords :
microstrip antenna arrays; microwave antenna arrays; microwave circuits; rectennas; RF-DC conversion efficiency; circularly patch antennas; diode breakdown; frequency 5.8 GHz; microstrip-type rectifiers; rectenna array; rectenna elements; Antenna measurements; Arrays; Microwave circuits; Patch antennas; Radio frequency; Rectennas; Rectifying circuits; Frequency selective surfaces; Microstrip antenna arrays; Patch antennas; Power transmission; Rectennas; Schottky diodes;
Conference_Titel :
Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications (IMWS), 2011 IEEE MTT-S International
Conference_Location :
Uji, Kyoto
Print_ISBN :
978-1-61284-214-1
DOI :
10.1109/IMWS.2011.5877082
