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Paper Abstract and Keywords
Presentation 2018-11-22 15:50
Performance Evaluation of Low-SHF-Band Digital Beamforming in High-Mobility Experimental Trial
Tatsuki Okuyama, Kazushi Muraoka (NTT DOCOMO), Daisuke Nose, Tomohiro Kikuma, Yasushi Maruta (NEC), Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-215
Abstract (in Japanese) (See Japanese page) 
(in English) The fifth-generation (5G) mobile communication system utilizes Massive MIMO using many number of antenna elements in high frequency bands to compensate for radio propagation loss and multiple several user equipment by beamforming (BF). Although various frequency bands are candidate for 5G, this paper focuses low SHF band (3-6 GHz). When we assume 5G commercial services, high-mobility experimental trials should be performed. However, in low SHF band, those performance has not been clarified by experimental trials. Therefore, this paper carried out outdoor experimental trial at a user’s maximum speed of 120 km per hour by fully digital Massive MIMO equipment using 4.65 GHz band. As a result, this paper shows that user can achieve maximum user throughput by fully digital Massive MIMO even if user moves at 120 km per hour.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Low SHF band / Digital Beamforming / High Mobility / Outdoor Experimental Trial / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 311, RCS2018-215, pp. 211-216, Nov. 2018.
Paper # RCS2018-215 
Date of Issue 2018-11-13 (RCS) 
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 RCS AP  
Conference Date 2018-11-20 - 2018-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2018-11-RCS-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Low-SHF-Band Digital Beamforming in High-Mobility Experimental Trial 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Low SHF band  
Keyword(3) Digital Beamforming  
Keyword(4) High Mobility  
Keyword(5) Outdoor Experimental Trial  
1st Author's Name Tatsuki Okuyama  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Kazushi Muraoka  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Daisuke Nose  
3rd Author's Affiliation NEC Corporation (NEC)
4th Author's Name Tomohiro Kikuma  
4th Author's Affiliation NEC Corporation (NEC)
5th Author's Name Yasushi Maruta  
5th Author's Affiliation NEC Corporation (NEC)
6th Author's Name Satoshi Suyama  
6th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
7th Author's Name Jun Mashino  
7th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
8th Author's Name Yukihiko Okumura  
8th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker Author-1 
Date Time 2018-11-22 15:50:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2018-215 
Volume (vol) vol.118 
Number (no) no.311 
Page pp.211-216 
Date of Issue 2018-11-13 (RCS) 

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