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Paper Abstract and Keywords
Presentation 2020-12-08 13:30
Study of energy harvesting applying the multi sector Yagi-Uda array antenna
Tamami Maruyama, Tai Kimura, Shunta Kasai, Masashi Nakatsugawa (NIT, Hakodate College) WPT2020-27
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes novel multi-sector Yagi-Uda rectenna to achieve wide area wireless power transmission. The proposed technique adopt the parasitic elements that are closed to the feeding element, which is the power transmitting unit, works as the power receiving unit to light the LED, and at the same time, this works as the director. The Yagi-Uda antenna arrays consisting of this parasitic elements are placed in sectors to propagate power in multiple directions. We calculate the wireless power transmission efficiency using the kQ product from the S-parameters obtained by electromagnetic field analysis. As a result, the multi-sector Yagi-Uda antenna could be achieved that it makes the wireless power transmission efficiency kept at 10% or more even if the distance from the feeding point is increased in all the sectors arranged. Each element of this multi-sector Yagi-Uda antenna was composed of a rectifier diode and an LED to create a rectenna. The experimental results show that the multi sector Yagi-Uda rectenna could turned on the LED in an area of about 100 mm square using a radio wave slightly leaking from the microwave oven.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-sector Yagi Uda antenna / Sector antenna / kQ product / Parasitic element / Yagi Uda antenna / Energy harvesting / Wires Power Transmission / IoT  
Reference Info. IEICE Tech. Rep., vol. 120, no. 278, WPT2020-27, pp. 7-10, Dec. 2020.
Paper # WPT2020-27 
Date of Issue 2020-12-01 (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 WPT2020-27

Conference Information
Committee WPT  
Conference Date 2020-12-08 - 2020-12-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Systems, etc. 
Paper Information
Registration To WPT 
Conference Code 2020-12-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of energy harvesting applying the multi sector Yagi-Uda array antenna 
Sub Title (in English)  
Keyword(1) Multi-sector Yagi Uda antenna  
Keyword(2) Sector antenna  
Keyword(3) kQ product  
Keyword(4) Parasitic element  
Keyword(5) Yagi Uda antenna  
Keyword(6) Energy harvesting  
Keyword(7) Wires Power Transmission  
Keyword(8) IoT  
1st Author's Name Tamami Maruyama  
1st Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
2nd Author's Name Tai Kimura  
2nd Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
3rd Author's Name Shunta Kasai  
3rd Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
4th Author's Name Masashi Nakatsugawa  
4th Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
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Speaker Author-1 
Date Time 2020-12-08 13:30:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2020-27 
Volume (vol) vol.120 
Number (no) no.278 
Page pp.7-10 
#Pages 4 
Date of Issue 2020-12-01 (WPT) 

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