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Paper Abstract and Keywords
Presentation 2018-12-14 15:35
A Study on Reducing Measurement Time for Assessment of Cellular Phones using Fast SAR Measurement Procedure
Yuto Shimizu, Tomoaki Nagaoka (NICT), Nozomu Ishii (NICT/Niigata Univ.), Soichi Watanabe (NICT) EMCJ2018-96
Abstract (in Japanese) (See Japanese page) 
(in English) A specific absorption rate (SAR) is used for an assessment of a human exposure from wireless communication devices. Current conformity assessment procedure, which is called as full SAR measurement, evaluates the SARs in all available frequency bands and device conditions. However, it takes a lot of times to measure the SARs with the full SAR measurement. Thus, IEC62209-1 provides a fast SAR measurement procedure to reduce a measurement time. In this study, we evaluate peak spatial SARs of four mobile phones with fast SAR measurement procedure. From these results, the maximum relative deviation compared with the full SAR measurement results was observed 16.0%, which is in range of the expanded measurement uncertainty of 17.8% in this measurement. In addition, the time reduction accomplished more than 25% comparing the time of the full SAR measurement. Moreover, considering the realistic measurement environment, i.e., the setting position of the mobile phone, the time reduction was only 5% degradation compared to before consideration the realistic environment. These results confirm the effectiveness of the fast SAR measurement procedure in realistic measurement environment.
Keyword (in Japanese) (See Japanese page) 
(in English) human exposure assessment / SAR / mobile phones / fast SAR measurement procedure / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 363, EMCJ2018-96, pp. 75-80, Dec. 2018.
Paper # EMCJ2018-96 
Date of Issue 2018-12-07 (EMCJ) 
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)
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Conference Information
Committee EMCJ IEE-EMC  
Conference Date 2018-12-14 - 2018-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2018-12-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Reducing Measurement Time for Assessment of Cellular Phones using Fast SAR Measurement Procedure 
Sub Title (in English)  
Keyword(1) human exposure assessment  
Keyword(2) SAR  
Keyword(3) mobile phones  
Keyword(4) fast SAR measurement procedure  
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Keyword(6)  
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1st Author's Name Yuto Shimizu  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Tomoaki Nagaoka  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Nozomu Ishii  
3rd Author's Affiliation National Institute of Information and Communications Technology/Niigata University (NICT/Niigata Univ.)
4th Author's Name Soichi Watanabe  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2018-12-14 15:35:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2018-96 
Volume (vol) vol.118 
Number (no) no.363 
Page pp.75-80 
#Pages 6 
Date of Issue 2018-12-07 (EMCJ) 

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