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Paper Abstract and Keywords
Presentation 2021-04-23 12:30
[Invited Lecture] A Study on Placement Design Method for mmWave Linear Cell Systems
Shunsuke Fujio, Kenichi Nisihkawa, Kazuyuki Ozaki (Fujitsu) RCS2021-13
Abstract (in Japanese) (See Japanese page) 
(in English) The authors consider millimeter-wave linear cell systems are promising to accommodate huge communication traffic on a high-speed environment such as a train or a highway. In the systems, a relay mounted on a car or train communicates with a base station along a moving path using millimeter-wave bands. The base station can cover long distance by using an adaptive beamforming technique that control a narrow beam dynamically. On the other hand, if beam direction is fixed, signal strength might be degraded severely due to beam misalignment e.g. in curved line environment, but it is easy to implement. In a previous study, the authors have proposed a base station placement design method to minimize the number of base stations required to cover an entire path and evaluated the performance to apply adaptive beamforming to both the base station and relay from the viewpoint of the required number of base stations. In this paper, we evaluate the performance to apply adaptive beamforming to either the base station or the relay. The evaluation results demonstrate that adaptive beamforming on the relay-side is more important to reduce the number of required base stations.
Keyword (in Japanese) (See Japanese page) 
(in English) millimeter-wave communication / high-speed train / beamforming / mobile relay / linear cell / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 7, RCS2021-13, pp. 60-65, April 2021.
Paper # RCS2021-13 
Date of Issue 2021-04-15 (RCS) 
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)
Download PDF RCS2021-13

Conference Information
Committee RCS  
Conference Date 2021-04-22 - 2021-04-23 
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 2021-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Placement Design Method for mmWave Linear Cell Systems 
Sub Title (in English)  
Keyword(1) millimeter-wave communication  
Keyword(2) high-speed train  
Keyword(3) beamforming  
Keyword(4) mobile relay  
Keyword(5) linear cell  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shunsuke Fujio  
1st Author's Affiliation FUJITSU LIMITED (Fujitsu)
2nd Author's Name Kenichi Nisihkawa  
2nd Author's Affiliation FUJITSU LIMITED (Fujitsu)
3rd Author's Name Kazuyuki Ozaki  
3rd Author's Affiliation FUJITSU LIMITED (Fujitsu)
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Speaker Author-1 
Date Time 2021-04-23 12:30:00 
Presentation Time 30 minutes 
Registration for RCS 
Paper # RCS2021-13 
Volume (vol) vol.121 
Number (no) no.7 
Page pp.60-65 
#Pages 6 
Date of Issue 2021-04-15 (RCS) 

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