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Paper Abstract and Keywords
Presentation 2017-12-14 15:10
Design and Evaluation of RF Energy Harvesting Circuit with Automatic LC Resonance Optimization Function Using Variable Capacitor
Naoto Onodera, Teruki Someya, A. K. M. Mahfuzul Islam (Tokyo Univ.), Kenichi Matsunaga, Hiroki Morimura (NTT), Makoto Takamiya, Takayasu Sakurai (Tokyo Univ.) CAS2017-97 ICD2017-85 CPSY2017-94
Abstract (in Japanese) (See Japanese page) 
(in English) Recently energy harvesting technology has attracted a lot of attention as a means to realize a wireless sensor system with no battery. In RF energy harvesting system, which utilize far field radio wave as an energy source, it is essential to boost the weak AC voltage from an antenna sufficiently, and input it to a rectifier circuit. In a conventional research, voltage boost is achieved using internal inductance of antenna and variable capacitor. However, since control circuit is not integrated in the chip and is driven by another power supply, it is unsuitable for wireless sensor system application. In this research, we newly designed and evaluated an RF energy harvesting circuit in 0.18 µm CMOS process that includes an on-chip digital controller for automatic LC-resonance-tuning.
Keyword (in Japanese) (See Japanese page) 
(in English) Energy Harvesting / RF / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 344, ICD2017-85, pp. 139-139, Dec. 2017.
Paper # ICD2017-85 
Date of Issue 2017-12-07 (CAS, ICD, CPSY) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 CAS2017-97 ICD2017-85 CPSY2017-94

Conference Information
Committee ICD CPSY CAS  
Conference Date 2017-12-14 - 2017-12-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Art Hotel Ishigakijima 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICD 
Conference Code 2017-12-ICD-CPSY-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Evaluation of RF Energy Harvesting Circuit with Automatic LC Resonance Optimization Function Using Variable Capacitor 
Sub Title (in English)  
Keyword(1) Energy Harvesting  
Keyword(2) RF  
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1st Author's Name Naoto Onodera  
1st Author's Affiliation The University of Tokyo (Tokyo Univ.)
2nd Author's Name Teruki Someya  
2nd Author's Affiliation University of Tokyo (Tokyo Univ.)
3rd Author's Name A. K. M. Mahfuzul Islam  
3rd Author's Affiliation The University of Tokyo (Tokyo Univ.)
4th Author's Name Kenichi Matsunaga  
4th Author's Affiliation NTT Device Innovation Center, NTT Corporation (NTT)
5th Author's Name Hiroki Morimura  
5th Author's Affiliation NTT Device Innovation Center, NTT Corporation (NTT)
6th Author's Name Makoto Takamiya  
6th Author's Affiliation University of Tokyo (Tokyo Univ.)
7th Author's Name Takayasu Sakurai  
7th Author's Affiliation University of Tokyo (Tokyo Univ.)
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Speaker Author-1 
Date Time 2017-12-14 15:10:00 
Presentation Time 120 minutes 
Registration for ICD 
Paper # CAS2017-97, ICD2017-85, CPSY2017-94 
Volume (vol) vol.117 
Number (no) no.343(CAS), no.344(ICD), no.345(CPSY) 
Page p.139 
#Pages 1 
Date of Issue 2017-12-07 (CAS, ICD, CPSY) 

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