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Paper Abstract and Keywords
Presentation 2016-06-23 14:25
Indoor Experiment on 5G Radio Access Using Beam Tracking at 15 GHz Band
Kiichi Tateishi, Daisuke Kurita, Atsushi Harada, Yoshihisa Kishiyama (NTT DOCOMO) RCS2016-69
Abstract (in Japanese) (See Japanese page) 
(in English) In order to rapidly increasing traffic, 5G radio access network in mobile communications introduces higher frequency bands to expand channel capacity, and aims to achieve super high bit rate transmission realizing several tens Gbps by using massive MIMO. The beam tracking technique to support user mobility with narrow beam which compensates remarkable pathloss at higher frequency band is necessary. In our previous work, we evaluated the performance of beam tracking simulated as pseudo dynamic environment by turning base station using 5G testbed in an anechoic chamber. However, it is not evaluated in realistic environment that is considered practical usage cases of mobile broadband communications. Therefore, in this report, we evaluate the performance of beam tracking using 5G testbed at 15 GHz band in indoor environment. Specifically, we clarify throughput performance of downlink MIMO space multiplexing transmission with 730.5 MHz bandwidth using carrier aggregation in indoor environment using beam selection criteria based on the received power of each beam at user equipment. Experimental results in an indoor multi-path rich environment show that the peak throughput is 14.5 Gbps in a LOS environment with high mobility-reference signal received power and low antenna correlation. The results also show that the throughput of 12.5 Gbps is achieved at the cell edge 50-m away from the base station. As a result, in this experiment, over -40 dBm of received power is needed to achieve 10 Gbps.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / higher frequency bands / TDD / single-user MIMO / Massive MIMO / beam tracking / experiments /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 110, RCS2016-69, pp. 135-140, June 2016.
Paper # RCS2016-69 
Date of Issue 2016-06-15 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee RCS  
Conference Date 2016-06-22 - 2016-06-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of the Ryukyus 
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 2016-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Indoor Experiment on 5G Radio Access Using Beam Tracking at 15 GHz Band 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) higher frequency bands  
Keyword(3) TDD  
Keyword(4) single-user MIMO  
Keyword(5) Massive MIMO  
Keyword(6) beam tracking  
Keyword(7) experiments  
Keyword(8)  
1st Author's Name Kiichi Tateishi  
1st Author's Affiliation NTT DOCOMO, Inc. (NTT DOCOMO)
2nd Author's Name Daisuke Kurita  
2nd Author's Affiliation NTT DOCOMO, Inc. (NTT DOCOMO)
3rd Author's Name Atsushi Harada  
3rd Author's Affiliation NTT DOCOMO, Inc. (NTT DOCOMO)
4th Author's Name Yoshihisa Kishiyama  
4th Author's Affiliation NTT DOCOMO, Inc. (NTT DOCOMO)
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Speaker
Date Time 2016-06-23 14:25:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2016-69 
Volume (vol) IEICE-116 
Number (no) no.110 
Page pp.135-140 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2016-06-15 


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