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Paper Abstract and Keywords
Presentation 2022-03-08 14:35
Development of Rectenna Array on Simultaneous Wireless Information and Power Transfer for LCD
Katsumi Kawai, Yang Bo, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2021-37
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we develop a high-power rectenna array for simultaneous power information transfer (SWIPT) for liquid crystal displays. In this SWIPT, the heat generation of the rectenna array is expected to be a problem. We attempt to construct the rectenna on a single substrate. In the proposed rectenna, the rectifier circuit is composed of a coplanar waveguide (CPW), which is loaded on the ground plane of the receiving antenna. In this paper, we show the design method and simulation results of the CPW-fed charge pump rectifier circuit. The simulation results show that the designed rectifier circuit has the rf-dc conversion efficiency of 52.1 % and the output dc power of 1.46 W at the frequency of 2.45 GHz, input power of 2.8 W, and load resistance of 1400 Ω.
Keyword (in Japanese) (See Japanese page) 
(in English) Rectenna / SWIPT / Coplanar waveguide / / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 414, WPT2021-37, pp. 74-77, March 2022.
Paper # WPT2021-37 
Date of Issue 2022-02-28 (WPT) 
ISSN Online edition: ISSN 2432-6380
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)
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Conference Information
Committee WPT  
Conference Date 2022-03-07 - 2022-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To WPT 
Conference Code 2022-03-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of Rectenna Array on Simultaneous Wireless Information and Power Transfer for LCD 
Sub Title (in English)  
Keyword(1) Rectenna  
Keyword(2) SWIPT  
Keyword(3) Coplanar waveguide  
1st Author's Name Katsumi Kawai  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Yang Bo  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Naoki Shinohara  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Tomohiko Mitani  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2022-03-08 14:35:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2021-37 
Volume (vol) vol.121 
Number (no) no.414 
Page pp.74-77 
Date of Issue 2022-02-28 (WPT) 

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