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Paper Abstract and Keywords
Presentation 2020-04-23 10:35
Demonstration Experiment of Virtual Pre-Connection Scheme for Trains with Millimeter Wave Railway Linear Cell
Kazuo Ibuka, Hikaru Kawasaki, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-2
Abstract (in Japanese) (See Japanese page) 
(in English) In the fifth generation mobile communication system (5G), the use of small cells in the super high frequency (SHF) band close to the millimeter wave is being studied. Since it is difficult to expand the area using only a conventional homogeneous network, heterogeneous network configuration has been widely investigated. On the other hand, local 5G has been studied in Japan to make use of the advanced 5G technologies for a private network. When operating without the assistance of cost-sensitive macro-cells in the private network, connection delay imposes serious problems such as reduced service time or even loss of service for high-speed mobile users compared to stationary or low-speed mobile users. Therefore, the authors have proposed a virtual pre-connection scheme to greatly reduce the connection delay without the assistance of macro-cells. In this study, we construct a private linear cell along the railway and perform a demonstration experiment of the proposed scheme for reducing the connection delay to the linear cell by using a train. As a result, connection delay is effectively reduced equivalent to the previous study.
Keyword (in Japanese) (See Japanese page) 
(in English) Local 5G / Spot cell / Connection delay / Assist cell / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 10, RCS2020-2, pp. 7-11, April 2020.
Paper # RCS2020-2 
Date of Issue 2020-04-16 (RCS) 
ISSN Online edition: ISSN 2432-6380
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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 RCS  
Conference Date 2020-04-23 - 2020-04-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Radio Access Technologies, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2020-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Demonstration Experiment of Virtual Pre-Connection Scheme for Trains with Millimeter Wave Railway Linear Cell 
Sub Title (in English)  
Keyword(1) Local 5G  
Keyword(2) Spot cell  
Keyword(3) Connection delay  
Keyword(4) Assist cell  
Keyword(5)  
Keyword(6)  
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Keyword(8)  
1st Author's Name Kazuo Ibuka  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Hikaru Kawasaki  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Azril Haniz  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Takeshi Matsumura  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Fumihide Kojima  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Daiki Shibahara  
6th Author's Affiliation East Japan Railway Company (JR-EAST)
7th Author's Name Kenichiro Kamohara  
7th Author's Affiliation East Japan Railway Company (JR-EAST)
8th Author's Name Fumitoshi Abe  
8th Author's Affiliation East Japan Railway Company (JR-EAST)
9th Author's Name Reiji Ishima  
9th Author's Affiliation East Japan Railway Company (JR-EAST)
10th Author's Name Shogo Ogawa  
10th Author's Affiliation Railway Technical Research Institute (RTRI)
11th Author's Name Daisuke Yamaguchi  
11th Author's Affiliation Railway Technical Research Institute (RTRI)
12th Author's Name Koki Iwamoto  
12th Author's Affiliation Railway Technical Research Institute (RTRI)
13th Author's Name Kazuki Nakamura  
13th Author's Affiliation Railway Technical Research Institute (RTRI)
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Speaker Author-1 
Date Time 2020-04-23 10:35:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2020-2 
Volume (vol) vol.120 
Number (no) no.10 
Page pp.7-11 
#Pages
Date of Issue 2020-04-16 (RCS) 


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