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Paper Abstract and Keywords
Presentation 2015-11-05 15:25
[Invited Lecture] Massive MIMO Technology Using Higher Frequency Bands for 5G
Satoshi Suyama, Tatsuki Okuyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) AP2015-137 RCS2015-222
Abstract (in Japanese) (See Japanese page) 
(in English) In order to tackle rapidly increasing traffic, 5th generation (5G) radio access network in mobile communications introduces Massive MIMO technology into small cells using higher frequency bands, and super high bit rate transmission realizing more than 10 Gbps data rate has been investigated. In Massive MIMO using higher frequency bands, from the point of view of realization, as a novel method for hybrid beamforming (BF) that combines analog BF with digital precoding, joint processing of fixed analog BF and channel state information (CSI)-based precoding (FBCP) has been proposed. This report presents technical issues on the Massive MIMO technology using higher frequency bands and introduces principle and algorithm of FBCP as solution of the technical issues. Link level simulations using 256-element uniform planar array show that a throughput of more than 20 Gbps can be achieved by using 400 MHz bandwidth in the 20 GHz band and performances comparison between the full-array type FBCP and the sub-array type FBCP are made in single user and multiuser scenarios. Furthermore, experimental trials to verify the Massive MIMO using higher frequency bands are introduced briefly.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Higher frequency bands / Massive MIMO / Hybrid beamforming / Analog beamforming configuration / Experimental trial / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 288, RCS2015-222, pp. 191-196, Nov. 2015.
Paper # RCS2015-222 
Date of Issue 2015-10-28 (AP, RCS) 
ISSN Print edition: ISSN 0913-5685    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 AP2015-137 RCS2015-222

Conference Information
Committee AP RCS WPT SAT  
Conference Date 2015-11-04 - 2015-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural Museum & Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antenna and Propagation, Radio Communication, Satelite Communication, Wireless Power Transfer 
Paper Information
Registration To RCS 
Conference Code 2015-11-AP-RCS-WPT-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Massive MIMO Technology Using Higher Frequency Bands for 5G 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Higher frequency bands  
Keyword(3) Massive MIMO  
Keyword(4) Hybrid beamforming  
Keyword(5) Analog beamforming configuration  
Keyword(6) Experimental trial  
Keyword(7)  
Keyword(8)  
1st Author's Name Satoshi Suyama  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Tatsuki Okuyama  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Tatsunori Obara  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
4th Author's Name Yukihiko Okumura  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker Author-1 
Date Time 2015-11-05 15:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # AP2015-137, RCS2015-222 
Volume (vol) vol.115 
Number (no) no.286(AP), no.288(RCS) 
Page pp.155-160(AP), pp.191-196(RCS) 
#Pages 6 
Date of Issue 2015-10-28 (AP, RCS) 

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