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Paper Abstract and Keywords
Presentation 2015-04-17 14:00
Downlink Transmission Performance of 5G Radio Access Using 15 GHz band in Indoor Small Cell Environment
Kiichi Tateishi, Daisuke Kurita, Atsushi Harada, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-19
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents the field experimental results on the propagation characteristic and downlink performance with wideband transmission using 5G radio access testbed at 15 GHz band in indoor small cell environment, that new radio interface adapted higher frequency adequate using OFDM MIMO transmission with 400 MHz bandwidth. Based on the field experimental results, we confirm 4 Gbps with high received signal power at LOS environment in an office lobby, although the antenna correlation is high. And at NLOS environment, the received signal power and the antenna correlation is low respectively, so that over 1 Gbps is achieved over the measurement area. On the other hands in passageway, the propagation loss shows good agreement with the theoretical fee space propagation loss near the BS antenna, however it’ s smaller than theory over 17 m away from BS antenna due to the multiple path environment, so that the averaged antenna correlation over the passageway is 0.5. As a result, 5 Gbps is achieved near the BS antenna and around 3 Gbps is achieved up to 120 m distance from BS antenna in LOS environment.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / higher frequency bands / carrier aggregation / TDD / single-user MIMO / experiments / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 2, RCS2015-19, pp. 101-106, April 2015.
Paper # RCS2015-19 
Date of Issue 2015-04-09 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2015-19

Conference Information
Committee RCS  
Conference Date 2015-04-16 - 2015-04-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Yufuin, Yufugoukan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio Access Technologies, etc. 
Paper Information
Registration To RCS 
Conference Code 2015-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Downlink Transmission Performance of 5G Radio Access Using 15 GHz band in Indoor Small Cell Environment 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) higher frequency bands  
Keyword(3) carrier aggregation  
Keyword(4) TDD  
Keyword(5) single-user MIMO  
Keyword(6) experiments  
Keyword(7)  
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)
5th Author's Name Yukihiko Okumura  
5th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker Author-1 
Date Time 2015-04-17 14:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-19 
Volume (vol) vol.115 
Number (no) no.2 
Page pp.101-106 
#Pages 6 
Date of Issue 2015-04-09 (RCS) 

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