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Paper Abstract and Keywords
Presentation 2026-03-02 15:30
Experiment on Beam Pattern Control and Rectenna Array Configurations in Wireless Power Transmission Systems
Shinnosuke Sano (Hosei), Naoki Warigai, Matsutomo Tomu (SUS), Kawai Yumi (Hosei), Yamato Nishida (SUS), Yasuaki Hasegawa, Kazuhiro Ishihara, Motoki Oshima (NIPPON ANTENNA), Kazuyoshi Arai (Hosei), Kouji Tanaka (JAXA) WPT2025-69
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing a 100-W-class wireless power transmission (WPT) system.
The transmitting antenna has an aperture of approximately 55 cm × 55 cm. For wireless power transmission at distances of several meters, the rectenna is placed within the near-field region. Under such conditions, beamforming is key to efficient wireless power transmission. In this study, we conducted an analytical study on beam forming in the region where the rectenna is placed and compared the results with measured data using a near-field measurement system. We examined the antenna configuration for the rectenna and evaluated the power reception of each antenna through analysis and experiments. This paper discusses effective antenna configurations for rectennas.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer / Phased Array Antenna / Rectenna / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 373, WPT2025-69, pp. 63-67, March 2026.
Paper # WPT2025-69 
Date of Issue 2026-02-23 (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 WPT2025-69

Conference Information
Committee WPT  
Conference Date 2026-03-02 - 2026-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Univ. (Uji Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SSPS Technology, Wireless Power Transfer, etc 
Paper Information
Registration To WPT 
Conference Code 2026-03-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experiment on Beam Pattern Control and Rectenna Array Configurations in Wireless Power Transmission Systems 
Sub Title (in English)  
Keyword(1) Wireless Power Transfer  
Keyword(2) Phased Array Antenna  
Keyword(3) Rectenna  
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1st Author's Name Shinnosuke Sano  
1st Author's Affiliation Hosei University (Hosei)
2nd Author's Name Naoki Warigai  
2nd Author's Affiliation Suwa University of science (SUS)
3rd Author's Name Matsutomo Tomu  
3rd Author's Affiliation Suwa University of science (SUS)
4th Author's Name Kawai Yumi  
4th Author's Affiliation Hosei University (Hosei)
5th Author's Name Yamato Nishida  
5th Author's Affiliation Suwa University of science (SUS)
6th Author's Name Yasuaki Hasegawa  
6th Author's Affiliation NIPPON ANTENNA Co., Ltd. (NIPPON ANTENNA)
7th Author's Name Kazuhiro Ishihara  
7th Author's Affiliation NIPPON ANTENNA Co., Ltd. (NIPPON ANTENNA)
8th Author's Name Motoki Oshima  
8th Author's Affiliation NIPPON ANTENNA Co., Ltd. (NIPPON ANTENNA)
9th Author's Name Kazuyoshi Arai  
9th Author's Affiliation Hosei University (Hosei)
10th Author's Name Kouji Tanaka  
10th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
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Speaker Author-1 
Date Time 2026-03-02 15:30:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2025-69 
Volume (vol) vol.125 
Number (no) no.373 
Page pp.63-67 
#Pages 5 
Date of Issue 2026-02-23 (WPT) 

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