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Paper Abstract and Keywords
Presentation 2017-06-22 11:30
A Study on Placements of Distributed Antenna Arrays in an Indoor Multi-User Massive MIMO System
Yuya Suzuki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2017-71
Abstract (in Japanese) (See Japanese page) 
(in English) In the 5th generation mobile communication system (5G), in order to realize high-speed and large capacity transmission, a large-scale multiple-input multiple-output (MIMO) system using several tens or even hundreds of base station antenna elements is under consideration. Recently, for the large scale MIMO systems, a distributed antenna system where a base station antenna array is divided into some subarrays and the subarrays are distributedly located is being studied. In this paper, we consider indoor environments and evaluate the SINR characteristics for different placements of subarrays and element arrangements of subarrays. The channel state information was obtained by the ray tracing method. We also evaluate the difference in SINR characteristics when changing a user density and the number of users. As a result, it will be concluded that the proposed method is especially effective when the degrees of freedom of array is not sufficient and users are densely located.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Massive MIMO / Ray-tracing / Indoor environment / Distributed antenna / Subarray / Array configuration / User density  
Reference Info. IEICE Tech. Rep., vol. 117, no. 103, RCS2017-71, pp. 127-132, June 2017.
Paper # RCS2017-71 
Date of Issue 2017-06-14 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee RCS  
Conference Date 2017-06-21 - 2017-06-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Ishigaki Shoukou Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2017-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Placements of Distributed Antenna Arrays in an Indoor Multi-User Massive MIMO System 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Massive MIMO  
Keyword(3) Ray-tracing  
Keyword(4) Indoor environment  
Keyword(5) Distributed antenna  
Keyword(6) Subarray  
Keyword(7) Array configuration  
Keyword(8) User density  
1st Author's Name Yuya Suzuki  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Toshihiko Nishimura  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Takeo Ohgane  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Yasutaka Ogawa  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2017-06-22 11:30:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2017-71 
Volume (vol) vol.117 
Number (no) no.103 
Page pp.127-132 
#Pages
Date of Issue 2017-06-14 (RCS) 


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