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Paper Abstract and Keywords
Presentation 2017-02-10 15:50
Cavity Resonator Wireless Power Transfer to Sensors in an Enclosed Space with Scatterers
Ippei Takano, Daigo Furusu, Yosuke Watanabe, Masaya Tamura (TUT) WPT2016-62
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we investigate the Cavity Resonator wireless power transfer in an enclosed space with scatterers. First, we confirm that the constructed experimental model is working as a cavity resonator. Next, we calculate the maximum power transmission efficiency using a model which is placed inside the scatterers by installing a Rx at the line-of-sight and non-line-of-sight (NLOS) position in the Tx. As a result, the expected transmission efficiency of more than 30% in the NLOS position from Tx, is clarified. Then, we investigate the feeding method at several positions, and it is confirmed that Time Division Power Feeding is a appropriate method. Finally, we experiment with power transmission to drive a battery-less sensor in the experimental model. We confirm that simultaneous communication can be performed with driving of the battery-less sensor module by CR WPT.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transfer / cavity resonator / enclosed space / wireless harness / NLOS / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 452, WPT2016-62, pp. 27-30, Feb. 2017.
Paper # WPT2016-62 
Date of Issue 2017-02-03 (WPT) 
ISSN Print edition: ISSN 0913-5685    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 2017-02-10 - 2017-02-10 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP center, 1st Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Standardization of Wireless Power Transfer, etc 
Paper Information
Registration To WPT 
Conference Code 2017-02-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Cavity Resonator Wireless Power Transfer to Sensors in an Enclosed Space with Scatterers 
Sub Title (in English)  
Keyword(1) wireless power transfer  
Keyword(2) cavity resonator  
Keyword(3) enclosed space  
Keyword(4) wireless harness  
Keyword(5) NLOS  
1st Author's Name Ippei Takano  
1st Author's Affiliation Toyohashi University of Technology (TUT)
2nd Author's Name Daigo Furusu  
2nd Author's Affiliation Toyohashi University of Technology (TUT)
3rd Author's Name Yosuke Watanabe  
3rd Author's Affiliation Toyohaashi University of Technology (TUT)
4th Author's Name Masaya Tamura  
4th Author's Affiliation Toyohashi University of Technology (TUT)
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Speaker Author-1 
Date Time 2017-02-10 15:50:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2016-62 
Volume (vol) vol.116 
Number (no) no.452 
Page pp.27-30 
Date of Issue 2017-02-03 (WPT) 

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