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| Presentation | 2020-09-24 12:50 [Poster Presentation] Human-Aware High-Transfer-Efficiency Beamforming for Microwave Power Transfer Based on Rayleigh Quotient without Human Position Information Naoki Kaneko, Kentaro Murata, Naoki Honma (Iwate Univ.)  AP2020-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a beamforming method that achieves both high transfer efficiency and low human exposure simultaneously without prior information of human position and electromagnetic field distribution for microwave power transfer based on the generalized Rayleigh quotient maximization problem of the ratio of the power of human body area and received point. From the experimental result of cumulative distribution function of average power in the human body area and receiving power, it was confirmed that the proposed method could suppress the microwave exposure level to the same extent as the conventional method based on power inversion method without prior electromagnetic field distribution information, and could improve the receiving power to the same extent as the conventional method based on eigenmode analysis. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / Array antenna / Beamforming / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 171, AP2020-36, pp. 25-30, Sept. 2020. | |
| Paper # | AP2020-36 | |
| Date of Issue | 2020-09-17 (AP) | |
| 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 | AP2020-36 |
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| Conference Information | |
| Committee | MW AP |
| Conference Date | 2020-09-24 - 2020-09-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave, Millimeter wave, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2020-09-MW-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Human-Aware High-Transfer-Efficiency Beamforming for Microwave Power Transfer Based on Rayleigh Quotient without Human Position Information |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | Array antenna |
| Keyword(3) | Beamforming |
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| 1st Author's Name | Naoki Kaneko |
| 1st Author's Affiliation | Iwate University (Iwate Univ.) |
| 2nd Author's Name | Kentaro Murata |
| 2nd Author's Affiliation | Iwate University (Iwate Univ.) |
| 3rd Author's Name | Naoki Honma |
| 3rd Author's Affiliation | Iwate University (Iwate Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-09-24 12:50:00 |
| Presentation Time | 60 minutes |
| Registration for | AP |
| Paper # | AP2020-36 |
| Volume (vol) | vol.120 |
| Number (no) | no.171 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2020-09-17 (AP) |
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