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Paper Abstract and Keywords
Presentation 2020-01-24 10:15
[Invited Lecture] Vehicle Penetration Loss Characteristics for the shinkansen from 2GHz to 28GHz Bands
Minoru Inomata, Tetsuro Imai, Kazushi Muraoka, Nobuhide Nonaka, Satoshi Suyama, Koshiro Kitao, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO, INC), Yoshihiro Matsumura (Central Japan Railway Company) AP2019-168
Abstract (in Japanese) (See Japanese page) 
(in English) Mobile telephone operators around the world are now working hard to introduce 5G services. With 5G, 3.7, 4.5, 28 GHz bands are expected to be used to satisfy the various requirements, and the field trial for application to high-speed railway has been actively investigated. In this paper, in order to design the 5G area for the shinkansen, we clarify the vehicle penetration loss characteristics from the 2 to 28 GHz bands. From the measurement results, it was confirmed that the frequency characteristics of vehicle penetration loss are linearly decreased at about 0.39 dB/GHz, and the indoor loss characteristics are linearly decreased at about 0.38 dB/m. Also, we developed the vehicle penetration loss model based on measurement results and found that the RMSE value using proposed model is about 2.3 dB.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G mobile communication system / shinkansen / vehicle penetration loss characteristics / millimeter-wave band / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 379, AP2019-168, pp. 99-103, Jan. 2020.
Paper # AP2019-168 
Date of Issue 2020-01-16 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 AP WPT  
Conference Date 2020-01-23 - 2020-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Sunport Hall Takamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless transmission technology, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2020-01-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Vehicle Penetration Loss Characteristics for the shinkansen from 2GHz to 28GHz Bands 
Sub Title (in English)  
Keyword(1) 5G mobile communication system  
Keyword(2) shinkansen  
Keyword(3) vehicle penetration loss characteristics  
Keyword(4) millimeter-wave band  
1st Author's Name Minoru Inomata  
1st Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
2nd Author's Name Tetsuro Imai  
2nd Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
3rd Author's Name Kazushi Muraoka  
3rd Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
4th Author's Name Nobuhide Nonaka  
4th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
5th Author's Name Satoshi Suyama  
5th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
6th Author's Name Koshiro Kitao  
6th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
7th Author's Name Yukihiko Okumura  
7th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
8th Author's Name Takahiro Asai  
8th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO, INC)
9th Author's Name Yoshihiro Matsumura  
9th Author's Affiliation Central Japan Railway Company (Central Japan Railway Company)
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Date Time 2020-01-24 10:15:00 
Presentation Time 25 
Registration for AP 
Paper # AP2019-168 
Volume (vol) 119 
Number (no) no.379 
Page pp.99-103 
Date of Issue 2020-01-16 (AP) 

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