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| Presentation | 2020-03-07 14:00 Study on Microwave Power Transmission Systems in Multipath Environments Taichi Sasaki, Naoki Shinohara (Kyoto Univ.)  WPT2019-81 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper describes that retrodirective systems improve the efficiency and safety of microwave power transmission (MPT) system in multipath environments. The retrodirective array antenna sends back the phase conjugate signal toward the pilot signal transmitted from the receiver. CST simulation verified that the retrodirective signal formed multibeams, concentrated at the receiver and improved the MPT efficiency in multipath environments. Even if there is an obstacle between the transmitter and the receiver, the retrodirective signal could track the receiver, avoiding direct exposure of the obstacle from the beam. Furthermore, it was found that the MPT efficiency of the retrodirective was further improved by using not only the phase information but also the amplitude information of the pilot signal. When there were two receivers, the retrodirective signal could track each target simultaneously with separate multi-beams. By adjusting the phase difference between the two pilot signals, the retrodirective signal that maximizes the received power could be estimated. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Microwave Power Transmission / Retrodirective / Multipath / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 465, WPT2019-81, pp. 129-134, March 2020. | |
| Paper # | WPT2019-81 | |
| Date of Issue | 2020-02-28 (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 | WPT2019-81 |
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| Conference Information | |
| Committee | WPT |
| Conference Date | 2020-03-06 - 2020-03-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2020-03-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Microwave Power Transmission Systems in Multipath Environments |
| Sub Title (in English) | |
| Keyword(1) | Microwave Power Transmission |
| Keyword(2) | Retrodirective |
| Keyword(3) | Multipath |
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| 1st Author's Name | Taichi Sasaki |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Naoki Shinohara |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-03-07 14:00:00 |
| Presentation Time | 20 minutes |
| Registration for | WPT |
| Paper # | WPT2019-81 |
| Volume (vol) | vol.119 |
| Number (no) | no.465 |
| Page | pp.129-134 |
| #Pages | 6 |
| Date of Issue | 2020-02-28 (WPT) |
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