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Paper Abstract and Keywords
Presentation 2017-04-25 14:20
Performance Evaluation of Digital Beamforming by Indoor and Outdoor Propagation Experimental Results for 5G Massive MIMO in Low SHF Band
Tatsuki Okuyama (NTT DOCOMO), Kenichiro Yamazaki, Daisuke Nose (NEC), Satoshi Suyama, Jun Mashino, Shohei Yoshioka (NTT DOCOMO), Yasushi Maruta (NEC), Yukihiko Okumura (NTT DOCOMO) RCS2017-25
Abstract (in Japanese) (See Japanese page) 
(in English) The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system capacity. In low SHF-band, fully digital Massive MIMO which can operate higher accuracy beamforming (BF) can be applied early because of narrower bandwidth in comparison with high SHF-band. Joint processing of digital fixed BF and channel state information (CSI)-based precoding (digital FBCP) is proposed as one of the fully digital methods, and effectiveness of digital FBCP have been shown by computer simulations. In this paper, to apply digital FBCP in actual environments, we try out indoor and outdoor propagation experiments to obtain actual propagation data by using fully digital Massive MIMO. Moreover, this paper shows an effectiveness of digital FBCP on actual environments by computer simulations using actual propagation data.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Low SHF band / Digital Beamforming / Indoor and Outdoor Experiments / Propagation data / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 11, RCS2017-25, pp. 131-136, April 2017.
Paper # RCS2017-25 
Date of Issue 2017-04-17 (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  
Conference Date 2017-04-24 - 2017-04-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kotohira Onsen Kotosankaku 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio Access Technologies, etc. 
Paper Information
Registration To RCS 
Conference Code 2017-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Digital Beamforming by Indoor and Outdoor Propagation Experimental Results for 5G Massive MIMO in Low SHF Band 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Low SHF band  
Keyword(3) Digital Beamforming  
Keyword(4) Indoor and Outdoor Experiments  
Keyword(5) Propagation data  
1st Author's Name Tatsuki Okuyama  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Kenichiro Yamazaki  
2nd Author's Affiliation NEC Corporation (NEC)
3rd Author's Name Daisuke Nose  
3rd Author's Affiliation NEC Corporation (NEC)
4th Author's Name Satoshi Suyama  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
5th Author's Name Jun Mashino  
5th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
6th Author's Name Shohei Yoshioka  
6th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
7th Author's Name Yasushi Maruta  
7th Author's Affiliation NEC Corporation (NEC)
8th Author's Name Yukihiko Okumura  
8th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Date Time 2017-04-25 14:20:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2017-25 
Volume (vol) IEICE-117 
Number (no) no.11 
Page pp.131-136 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2017-04-17 

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