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Paper Abstract and Keywords
Presentation 2013-03-14 09:35
A development and evaluation of the normally-off sensor node for low-power operation.
Kazuho Nakagawa, Ryohei Hori, Takeshi Kumaki, Masahumi Kimata, Takeshi Fujino (Ritsumeikan Univ.) CPSY2012-87 DC2012-93
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, various kinds of services such as energy saving and security monitoring were progressed by monitoring temperature, humidity, and infra-red on sensor networks which are deployed in the home or building. The power saving of sensor node itself will be important with the increasing number of sensor nodes, because the interval of maintenance including battery exchange will be pro-longed. We aim to develop the ultra-low power sensor node by utilizing the “Normally Off” operation by which the power of sensor is only activated during the sensing period. In this study, we have developed power measurement system which can monitor the power consumption of sensor and controller, respectively. We have measured the dynamic power consumption characteristics of temperature and humidity sensors. In addition, we have also measured the dynamic power consumption characteristics of microcontroller. Finally, we clarify the power reduction effect on sensor node by utilizing “Normally Off” operation.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor Network / Sensor node / Power Reduction / Normally Off Operation / Micro Controller / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 481, CPSY2012-87, pp. 211-216, March 2013.
Paper # CPSY2012-87 
Date of Issue 2013-03-06 (CPSY, DC) 
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 CPSY2012-87 DC2012-93

Conference Information
Committee CPSY DC IPSJ-SLDM IPSJ-EMB  
Conference Date 2013-03-13 - 2013-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPSY 
Conference Code 2013-03-CPSY-DC-SLDM-EMB 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A development and evaluation of the normally-off sensor node for low-power operation. 
Sub Title (in English)  
Keyword(1) Sensor Network  
Keyword(2) Sensor node  
Keyword(3) Power Reduction  
Keyword(4) Normally Off Operation  
Keyword(5) Micro Controller  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kazuho Nakagawa  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Ryohei Hori  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Takeshi Kumaki  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Masahumi Kimata  
4th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
5th Author's Name Takeshi Fujino  
5th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2013-03-14 09:35:00 
Presentation Time 25 minutes 
Registration for CPSY 
Paper # CPSY2012-87, DC2012-93 
Volume (vol) vol.112 
Number (no) no.481(CPSY), no.482(DC) 
Page pp.211-216 
#Pages 6 
Date of Issue 2013-03-06 (CPSY, DC) 

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