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| Presentation | 2023-11-10 11:25 Novel compact rectenna array by integrating power-receiving and waveguide elements with loaded inductor Tamami Maruyama, Noa Ebita, Akari Kamada, Hiroto Ishiguro, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University)  WPT2023-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | When arranging an array of half-wavelength dipole antenna-type rectennas, it has been reported that each element not only receives power as a rectenna but also functions as a directors of Yagi-Uda antennas, transmitting power to adjacent elements simultaneously. In this study, in order to miniaturize this power-receiving and waveguide-integrated rectenna array, inductance was loaded, and the S21 characteristics of each rectenna constituting the array and the wireless power transmission efficiency were determined through electromagnetic field analysis and theoretical calculations. As a result, in the 2.4 GHz band, it was revealed that a dipole antenna-type rectenna with a reduced element length from half-wavelength to 0.35λ could achieve higher wireless power transmission efficiency by loading an 18 nH inductor. Furthermore, when the distance between the transmitting and receiving rectennas was set at 30 mm, it was demonstrated that by placing the parasitic rectennas as relay rectennas at 5 mm intervals in between, the S21 characteristics could be improved. Additionally, it was revealed that these relay rectennas could also function as receiving rectennas. This study elucidates that by loading inductors and miniaturizing the rectennas, they can operate as receiving rectennas while simultaneously acting as waveguide elements when arrayed, and placing these rectennas between the transmitter and receiver can effectively enhance power transmission efficiency. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Energy harvest, / Inductance Load / Rectenna / Wireless power transmission, / WPT / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 252, WPT2023-25, pp. 12-16, Nov. 2023. | |
| Paper # | WPT2023-25 | |
| Date of Issue | 2023-11-03 (WPT) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | WPT2023-25 |
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| Conference Information | |
| Committee | WPT |
| Conference Date | 2023-11-10 - 2023-11-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hachijomachi-Shokokai |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2023-11-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Novel compact rectenna array by integrating power-receiving and waveguide elements with loaded inductor |
| Sub Title (in English) | |
| Keyword(1) | Energy harvest, |
| Keyword(2) | Inductance Load |
| Keyword(3) | Rectenna |
| Keyword(4) | Wireless power transmission, |
| Keyword(5) | WPT |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tamami Maruyama |
| 1st Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 2nd Author's Name | Noa Ebita |
| 2nd Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 3rd Author's Name | Akari Kamada |
| 3rd Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 4th Author's Name | Hiroto Ishiguro |
| 4th Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 5th Author's Name | Masashi Nakatsugawa |
| 5th Author's Affiliation | National Institute of Technology, Hakodate College (NIT, Hakodate College) |
| 6th Author's Name | Masaya Tamura |
| 6th Author's Affiliation | Toyohashi University of Technology (Toyohashi University of Technology) |
| 7th Author's Name | Noriharu Suematsu |
| 7th Author's Affiliation | Tonoku University (Tohoku University) |
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| Speaker | Author-1 |
| Date Time | 2023-11-10 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2023-25 |
| Volume (vol) | vol.123 |
| Number (no) | no.252 |
| Page | pp.12-16 |
| #Pages | 5 |
| Date of Issue | 2023-11-03 (WPT) |
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