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Paper Abstract and Keywords
Presentation 2021-03-05 10:30
Performance Evaluation of Base Station Cooperation Technologies in Millimeter-Wave Bands at Variable Base Station Deployments under High-Mobility Environments
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2020-249
Abstract (in Japanese) (See Japanese page) 
(in English) Commercial services of 5th generation mobile communication system (5G) are expanding. In 5G, Massive MIMO -based beamforming (BF) compensates the larger path-loss in millimeter-wave (mmW) bands such as 28 GHz band. In order to realize further enhancement of 5G (5G Evolution), conversion from analog BF to hybrid BF and fully digital BF is required to improve mmW-band transmission performances. In addition, base station (BS) cooperation technologies are needed to provide stable and reliable mmW-band communication at the cell edge, when mobile stations (MSs) travel in high mobility. This report examines the direction of BS’s antenna arrays and a MIMO multiplexing scheme suitable for the BS cooperation, when three BSs cooperate. Computer simulations clarify the effect of the deployment method of BSs on downlink throughput when one MS moves at a velocity of 90 km/h.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Millimeter-wave / Base station cooperation / High mobility / Digital BF / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 404, RCS2020-249, pp. 207-211, March 2021.
Paper # RCS2020-249 
Date of Issue 2021-02-24 (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 RCS2020-249

Conference Information
Committee RCS SR SRW  
Conference Date 2021-03-03 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2021-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Base Station Cooperation Technologies in Millimeter-Wave Bands at Variable Base Station Deployments under High-Mobility Environments 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Millimeter-wave  
Keyword(3) Base station cooperation  
Keyword(4) High mobility  
Keyword(5) Digital BF  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tatsuki Okuyama  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Satoshi Suyama  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Nobuhide Nonaka  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
4th Author's Name Takahiro Asai  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker Author-1 
Date Time 2021-03-05 10:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2020-249 
Volume (vol) vol.120 
Number (no) no.404 
Page pp.207-211 
#Pages 5 
Date of Issue 2021-02-24 (RCS) 

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