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Paper Abstract and Keywords
Presentation 2017-11-08 13:30
[Invited Lecture] Massive MIMO System towards Practical Use -- Activities by Ericsson --
Hideshi Murai, Shoji Itoh (Ericsson Japan), Arne Simonsson, Okvist Peter (Ericsson Research) AP2017-114 RCS2017-211
Abstract (in Japanese) (See Japanese page) 
(in English) Standardization and/or R&D for 5G system is very active around the world targeting to start 3GPP compliant commercial service in the year 2020. Massive MIMO is a technology to create narrow beam(s). Then it can compensate propagation loss significantly experienced at higher frequency band and provide spatial multiplexing as known as multi-user MIMO. Therefore, Massive MIMO has gotten high attention as a critical technology for higher frequency band beyond 10GHz and very useful technology also for lower frequency band below 6GHz. Ericsson is actively performing 5G trials in Sweden, and in other countries with operators as respective joint trials using 15GHz and/or 28GHz frequency for PoC of beamforming, multi-user MIMO, distributed MIMO etc. This paper introduces some trial results obtained so far relevant with Massive MIMO from perspective of coverage, beam tracking, multipoint transmission and distributed MIMO performance. In addition to 5G trial, Ericsson has a road map called 5G Plug-in to introduce 5G concept into existing LTE system. In this presentation, we will introduce Ericsson’s activities on Massive MIMO system towards practical realization.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Raidio Access / Massive MIMO / Multi-User MIMO / Practical Realization / 5G Plug-in / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 284, RCS2017-211, pp. 41-44, Nov. 2017.
Paper # RCS2017-211 
Date of Issue 2017-11-01 (AP, 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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AP2017-114 RCS2017-211

Conference Information
Committee AP RCS  
Conference Date 2017-11-08 - 2017-11-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka University 
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 2017-11-AP-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Massive MIMO System towards Practical Use 
Sub Title (in English) Activities by Ericsson 
Keyword(1) 5G  
Keyword(2) Raidio Access  
Keyword(3) Massive MIMO  
Keyword(4) Multi-User MIMO  
Keyword(5) Practical Realization  
Keyword(6) 5G Plug-in  
1st Author's Name Hideshi Murai  
1st Author's Affiliation Ericsson Japan (Ericsson Japan)
2nd Author's Name Shoji Itoh  
2nd Author's Affiliation Ericsson Japan (Ericsson Japan)
3rd Author's Name Arne Simonsson  
3rd Author's Affiliation Ericsson Research (Ericsson Research)
4th Author's Name Okvist Peter  
4th Author's Affiliation Ericsson Research (Ericsson Research)
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Date Time 2017-11-08 13:30:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-AP2017-114,IEICE-RCS2017-211 
Volume (vol) IEICE-117 
Number (no) no.283(AP), no.284(RCS) 
Page pp.37-40(AP), pp.41-44(RCS) 
#Pages IEICE-4 
Date of Issue IEICE-AP-2017-11-01,IEICE-RCS-2017-11-01 

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