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Paper Abstract and Keywords
Presentation 2021-03-04 14:10
Optimum Beam Synthesis for An Arbitrary Receiving Plane in Radiating Near Field
Seishiro Kojima, Tomohiko Mitani, Naoki Shinohara (Kyoto Univ.) WPT2020-38
Abstract (in Japanese) (See Japanese page) 
(in English) This report proposes an optimum beam synthesis method to maximize the beam collection efficiency (BCE) for an arbitrary receiving plane in radiating near field. The proposed method can take into account mutual coupling between antennas by using the active element patterns as the element patterns. We describe the optimization results for various receiving plane models in the radiating near field, which has not been investigated in detail. The electromagnetic simulation result shows that the optimization considering mutual coupling increased the BCE by 8.71 points and the radiation efficiency by 8.61 points, and decreased the reflection loss by 13.24 points compared with the case without considering mutual coupling. As a result, the transmission efficiency between the transmitting and receiving antennas increased by 14.71 points, which supports the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) array antenna / microwave power transmission / beam collection efficiency / radiative near field / mutual coupling / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 416, WPT2020-38, pp. 26-31, March 2021.
Paper # WPT2020-38 
Date of Issue 2021-02-25 (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 WPT2020-38

Conference Information
Committee WPT  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WPT 
Conference Code 2021-03-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optimum Beam Synthesis for An Arbitrary Receiving Plane in Radiating Near Field 
Sub Title (in English)  
Keyword(1) array antenna  
Keyword(2) microwave power transmission  
Keyword(3) beam collection efficiency  
Keyword(4) radiative near field  
Keyword(5) mutual coupling  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Seishiro Kojima  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Tomohiko Mitani  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Naoki Shinohara  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2021-03-04 14:10:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2020-38 
Volume (vol) vol.120 
Number (no) no.416 
Page pp.26-31 
#Pages 6 
Date of Issue 2021-02-25 (WPT) 

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