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Paper Abstract and Keywords
Presentation 2017-01-20 09:00
Measurement of unnecessary radio wave near the inverter equipment at the carrier frequency-range of cell-phone handset.
Yasunori Miyazawa, Satoshi Tanaka, Jingyan Ma*, Masahiro Yamaguchi (Tohoku Univ.), Makoto Nagata (Kobe Univ.), Koichi Kondo (NEC TOKIN Corp.), Yasuyuki Okiyoneda (Showa Aircraft Industry Co.), Masahiro Nishizawa (Tohoku Univ.) EMCJ2016-116
Abstract (in Japanese) (See Japanese page) 
(in English) In the 5th generation mobile communication system (5G), the carrier frequency range of mobile communication equipment will be extended to the 6 GHz band and higher, and the number of connected equipment is expected to reach 1 million units / km2. It is assumed that the inverter and mobile communication devices are used in close proximity. On the other hand, with the widespread use of inverter equipment driven by a fast switching SiC or GaN device, the unnecessary radio wave can be emitted more from the inverter in the GHz band. In order to evaluate the influence of such unnecessary radio waves, we developed and measured the unnecessary radio waves emitted from inverter devices with high sensitivity, and confirmed the influence on wireless communication performance, using a wireless power transmission system for electric vehicles (WPT) as a test bench. This paper reports these results.
Keyword (in Japanese) (See Japanese page) 
(in English) Inverter Equipment / Wireless Communication device / Unnecessary Radio wave / CISPR / 5G / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 399, EMCJ2016-116, pp. 39-44, Jan. 2017.
Paper # EMCJ2016-116 
Date of Issue 2017-01-12 (EMCJ) 
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 EMCJ  
Conference Date 2017-01-19 - 2017-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication, EMC 
Paper Information
Registration To EMCJ 
Conference Code 2017-01-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement of unnecessary radio wave near the inverter equipment at the carrier frequency-range of cell-phone handset. 
Sub Title (in English)  
Keyword(1) Inverter Equipment  
Keyword(2) Wireless Communication device  
Keyword(3) Unnecessary Radio wave  
Keyword(4) CISPR  
Keyword(5) 5G  
Keyword(6)  
Keyword(7)  
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1st Author's Name Yasunori Miyazawa  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Satoshi Tanaka  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Jingyan Ma*  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Masahiro Yamaguchi  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Makoto Nagata  
5th Author's Affiliation Kobe University (Kobe Univ.)
6th Author's Name Koichi Kondo  
6th Author's Affiliation TEC TOKIN Corporation (NEC TOKIN Corp.)
7th Author's Name Yasuyuki Okiyoneda  
7th Author's Affiliation Showa Aircraft Industry Company (Showa Aircraft Industry Co.)
8th Author's Name Masahiro Nishizawa  
8th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2017-01-20 09:00:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2016-116 
Volume (vol) vol.116 
Number (no) no.399 
Page pp.39-44 
#Pages 6 
Date of Issue 2017-01-12 (EMCJ) 

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