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Paper Abstract and Keywords
Presentation 2018-03-01 10:30
Field Experimental Evaluation of MIMO Transmission Performance in Quad-directional UE Antenna Configuration for 5G Radio Access System
Yuta Takahashi, Yuki Inoue, Shohei Yoshioka, Yoshihisa Kishiyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO, INC.) RCS2017-350
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents field experiments on the downlink performance of a 5G radio access system employing higher rank MIMO in the quad-directional antenna configuration at UE side comparing the uni-directional antenna configuration in typical small cell environments. Each antenna branch of the quad-directional antenna directs for intervals of 90 degrees in horizontal plane. The results show Rank-8 transmission performance is better compare to the uni-directional antenna configuration even the antenna gain is degraded, because the spatial correlation of UE becomes low using the quad-directional antenna in the environment has many complex reflection paths. And also it shows the stable performance of throughput about the dependency of the UE antenna direction. The antenna covers omni direction with combining all antenna branches and the spatial correlation is low compare to the uni-directional antenna. The performance is tradeoff of degradation of the total antenna gain.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / low SHF band / higher order MIMO / field experiment / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 456, RCS2017-350, pp. 191-196, Feb. 2018.
Paper # RCS2017-350 
Date of Issue 2018-02-21 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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 SR SRW  
Conference Date 2018-02-28 - 2018-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2018-02-RCS-SR-SRW 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Field Experimental Evaluation of MIMO Transmission Performance in Quad-directional UE Antenna Configuration for 5G Radio Access System 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) low SHF band  
Keyword(3) higher order MIMO  
Keyword(4) field experiment  
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1st Author's Name Yuta Takahashi  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
2nd Author's Name Yuki Inoue  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
3rd Author's Name Shohei Yoshioka  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
4th Author's Name Yoshihisa Kishiyama  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
5th Author's Name Satoshi Suyama  
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 Yukihiko Okumura  
7th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO, INC.)
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Speaker
Date Time 2018-03-01 10:30:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2017-350 
Volume (vol) IEICE-117 
Number (no) no.456 
Page pp.191-196 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2018-02-21 


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