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Paper Abstract and Keywords
Presentation 2016-06-22 13:55
Space Division Multi-channel Wi-Fi System in 5.6GHz Band
Kazuki Matsuura, Yoshichika Ohta, Teruya Fujii (SoftBank) RCS2016-47
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, data traffic in 3G/LTE network has exploded owing to smart phone penetration. For mobile network congestion control, traffic off-load measures by using Wi-Fi system are widely applied. Especially, for a traffic off-load measure at a venue where many people gather, Softbank developed the 5.6 GHz band Space Division Multi-Channel Wi-Fi system. This Wi-Fi system divides a serving area into multiple spaces by employing directional antennas at an access point (AP), and each space is served by one access point and its corresponding high-gain antenna. Antennas of adjacent spaces use different radio frequencies from each other. Radio interference is reduced, and channel utilization is increased. In order to achieve a highly effective traffic off-load measure at a venue where many people gather, this Wi-Fi system implements user concentration avoidance and radio terminal shut-down functions. This paper describes the Wi-Fi system, and explains field experiment results.
Keyword (in Japanese) (See Japanese page) 
(in English) Wi-Fi / Spatial-Division / Multi-channel / Large event / Traffic off-load / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 110, RCS2016-47, pp. 7-12, June 2016.
Paper # RCS2016-47 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2016-47

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) Space Division Multi-channel Wi-Fi System in 5.6GHz Band 
Sub Title (in English)  
Keyword(1) Wi-Fi  
Keyword(2) Spatial-Division  
Keyword(3) Multi-channel  
Keyword(4) Large event  
Keyword(5) Traffic off-load  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kazuki Matsuura  
1st Author's Affiliation SoftBank Corporation (SoftBank)
2nd Author's Name Yoshichika Ohta  
2nd Author's Affiliation SoftBank Corporation (SoftBank)
3rd Author's Name Teruya Fujii  
3rd Author's Affiliation SoftBank Corporation (SoftBank)
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Speaker Author-1 
Date Time 2016-06-22 13:55:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2016-47 
Volume (vol) vol.116 
Number (no) no.110 
Page pp.7-12 
#Pages 6 
Date of Issue 2016-06-15 (RCS) 

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