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Paper Abstract and Keywords
Presentation 2019-07-11 10:00
Performance Evaluation of Downlink Multi-user MIMO with Moving User Equipment using Low-SHF-Band C-RAN Massive MIMO System
Jiang Yi, Kohei Izui, Kenichiro Yamazaki (NEC), Tatsuki Okuyama, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO, INC.) RCS2019-111
Abstract (in Japanese) (See Japanese page) 
(in English) In order to tackle rapid increase of data traffic and diversification of mobile service, 5G wireless access system introduces Massive MIMO transmission as one of key technologies for realizing capacity enhancement and low power consumption. We developed 100MHz band width massive element antenna and studied spectrum efficiency enhancement by spatial multiplexing to realize Massive MIMO transmission in Low-SHF-band which is expected to be applied for 5G commercial bands relatively early. In this paper, we first evaluated the performance of downlink (DL) multi-user (MU)-MIMO in both indoor and outdoor mobility environments. Then we evaluated the performance of Inter-Access Point (AP) Coordinated Beamforming (CB) with up to 15 UE in indoor environment.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Low-SHF-Band / Massive MIMO / MU-MIMO / Beam-forming / Inter-AP Coordination / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 108, RCS2019-111, pp. 57-62, July 2019.
Paper # RCS2019-111 
Date of Issue 2019-07-03 (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 SeMI RCS NS SR RCC  
Conference Date 2019-07-10 - 2019-07-12 
Place (in Japanese) (See Japanese page) 
Place (in English) I-Site Nanba(Osaka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication and Networked Control for the Future Radio of the AI Age, etc 
Paper Information
Registration To RCS 
Conference Code 2019-07-SeMI-RCS-NS-SR-RCC 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Downlink Multi-user MIMO with Moving User Equipment using Low-SHF-Band C-RAN Massive MIMO System 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Low-SHF-Band  
Keyword(3) Massive MIMO  
Keyword(4) MU-MIMO  
Keyword(5) Beam-forming  
Keyword(6) Inter-AP Coordination  
1st Author's Name Jiang Yi  
1st Author's Affiliation NEC Corporation (NEC)
2nd Author's Name Kohei Izui  
2nd Author's Affiliation NEC Corporation (NEC)
3rd Author's Name Kenichiro Yamazaki  
3rd Author's Affiliation NEC Corporation (NEC)
4th Author's Name Tatsuki Okuyama  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
5th Author's Name Kazushi Muraoka  
5th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
6th Author's Name Jun Mashino  
6th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
7th Author's Name Satoshi Suyama  
7th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
8th Author's Name Yukihiko Okumura  
8th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
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Date Time 2019-07-11 10:00:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2019-111 
Volume (vol) IEICE-119 
Number (no) no.108 
Page pp.57-62 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2019-07-03 

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