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Paper Abstract and Keywords
Presentation 2019-09-20 15:35
C-band 10W GaN power amplifier for thin active integrated antenna arrays used for single-frequency wireless communication and power transmission
Daisuke Kobuchi, Kentaro Matsuura, Yoshiaki Narusue (The Univ. of Tokyo), Shigeo Kawasaki (JAXA) MW2019-62
Abstract (in Japanese) (See Japanese page) 
(in English) In an environment where many sensors are used, cables for communication and power supply increase the cost of maintenance and the cables themselves. Therefore, the authors are developing a wireless sensor network that aims to remove cables of communication and power supply by achieving both wireless communication and microwave power transmission.
In this system, a thin active integrated array antenna (AIAA) is used to reduce the size and weight of the transmitter. In the previously developed AIAA, the output of the power amplifier attached to each antenna was as small as 5 W, so it was not possible to supply a sufficient amount of power to the sensor nodes far from the transmitter. In this research, in order to increase the power output of the transmitter, a power amplifier using a GaN HEMT chip was implemented.
As a result of measuring the manufactured high frequency amplifier, we confirmed that an output of 10W and a drain efficiency of 56.49 % .
Keyword (in Japanese) (See Japanese page) 
(in English) microwave power transmission / RF power amplifier / active integrated array antenna / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 204, MW2019-62, pp. 37-42, Sept. 2019.
Paper # MW2019-62 
Date of Issue 2019-09-12 (MW) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee MW AP  
Conference Date 2019-09-19 - 2019-09-20 
Place (in Japanese) (See Japanese page) 
Place (in English) JAXA (Sagamihara) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, Millimeter wave, Antennas and Propagation 
Paper Information
Registration To MW 
Conference Code 2019-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) C-band 10W GaN power amplifier for thin active integrated antenna arrays used for single-frequency wireless communication and power transmission 
Sub Title (in English)  
Keyword(1) microwave power transmission  
Keyword(2) RF power amplifier  
Keyword(3) active integrated array antenna  
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1st Author's Name Daisuke Kobuchi  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Kentaro Matsuura  
2nd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
3rd Author's Name Yoshiaki Narusue  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
4th Author's Name Shigeo Kawasaki  
4th Author's Affiliation Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)
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Speaker Author-1 
Date Time 2019-09-20 15:35:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2019-62 
Volume (vol) vol.119 
Number (no) no.204 
Page pp.37-42 
#Pages 6 
Date of Issue 2019-09-12 (MW) 

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