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| Presentation | 2019-06-11 10:10 Maximizing power supply efficiency with amplification in relay nodes for multi-hop relay wireless power transmission Takahiro Okumoto, Shota Mizuguchi, Ryuji Kohno (YNU)  WPT2019-16 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years,unmanned aerial vehicles(UAV) have been rapidly spreading, and their uses such as searching for victims at the time of a disaster are various. First of all, as an issue of unmanned aerial vehicles, it is impossible to fly for a long time. Therefore, I am conducting research on wireless power transmission(WPT) of microwave transmission system suitable for long distance transmission, which makes it possible to carry out flight and power supply at the same time. However, in the microwave transmission system, the amount of power supply decreases in inverse proportion to the square of the power transmission distance. Therefore, in this research, we propose multihop relay system to improve the amount of power supply by applying multihop relay scheme technology which is used in wireless information transmission of 4G to wireless power transmission(WPT). I derived the theoretical limit of the feed quantity considering the near field in the multihop relay system. And I derived the optimum number of repeaters which maximizes the power supply amount were carried out. In addition, as an improvement method of the multihop relay method, the repeater was given ET function, and the power supply was amplified by the repeater, so the amount of power supply was improved. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Microwave Method WPT / Linear Array / Rectenna / Drone / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 74, WPT2019-16, pp. 31-35, June 2019. | |
| Paper # | WPT2019-16 | |
| Date of Issue | 2019-06-03 (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 | WPT2019-16 |
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| Conference Information | |
| Committee | WPT |
| Conference Date | 2019-06-10 - 2019-06-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless power transfer, others |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2019-06-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Maximizing power supply efficiency with amplification in relay nodes for multi-hop relay wireless power transmission |
| Sub Title (in English) | |
| Keyword(1) | Microwave Method WPT |
| Keyword(2) | Linear Array |
| Keyword(3) | Rectenna |
| Keyword(4) | Drone |
| Keyword(5) | |
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| 1st Author's Name | Takahiro Okumoto |
| 1st Author's Affiliation | Yokohama National University (YNU) |
| 2nd Author's Name | Shota Mizuguchi |
| 2nd Author's Affiliation | Yokohama National University (YNU) |
| 3rd Author's Name | Ryuji Kohno |
| 3rd Author's Affiliation | Yokohama National University (YNU) |
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| Speaker | Author-1 |
| Date Time | 2019-06-11 10:10:00 |
| Presentation Time | 20 minutes |
| Registration for | WPT |
| Paper # | WPT2019-16 |
| Volume (vol) | vol.119 |
| Number (no) | no.74 |
| Page | pp.31-35 |
| #Pages | 5 |
| Date of Issue | 2019-06-03 (WPT) |
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