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Paper Abstract and Keywords
Presentation 2017-01-20 16:25
A Study on Spatio-Temporal Variability of Mobile Access Traffic and Subspace Tracking-Based Change-Point Detection
Takahiro Matsuda, Senri Hirabaru (Osaka Univ.), Yuki Hirota (KDDI), Haruki Izumikawa, Hiroshi Hanano, Chihiro Ono (KDDI Research), Tetsuya Takine (Osaka Univ.) CQ2016-110
Abstract (in Japanese) (See Japanese page) 
(in English) In mobile networks, network monitoring for access traffic is important for efficiently utilizing network resources. In this article, we consider a change-point detection technique for mobile access traffic to detect a time instant when the number of mobile terminals connecting to base stations are changed dramatically. A subspace tracking-based change-point detection scheme has been proposed so far. In this scheme, change-points are detected by regarding the numbers of mobile terminals in multiple base stations as data points in the multi-dimensional space. This scheme is designed under the assumption that the total traffic volume is not changed between before and after a change-point. We extend this scheme in order to apply it to a more general case that the total traffic volume is changed.
Keyword (in Japanese) (See Japanese page) 
(in English) change-point detection / mobile networks / access traffic / subspace tracking / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 403, CQ2016-110, pp. 115-120, Jan. 2017.
Paper # CQ2016-110 
Date of Issue 2017-01-12 (CQ) 
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 CQ2016-110

Conference Information
Committee CQ  
Conference Date 2017-01-19 - 2017-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2017-01-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Spatio-Temporal Variability of Mobile Access Traffic and Subspace Tracking-Based Change-Point Detection 
Sub Title (in English)  
Keyword(1) change-point detection  
Keyword(2) mobile networks  
Keyword(3) access traffic  
Keyword(4) subspace tracking  
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1st Author's Name Takahiro Matsuda  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Senri Hirabaru  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Yuki Hirota  
3rd Author's Affiliation KDDI Corporation (KDDI)
4th Author's Name Haruki Izumikawa  
4th Author's Affiliation KDDI Research, Inc. (KDDI Research)
5th Author's Name Hiroshi Hanano  
5th Author's Affiliation KDDI Research, Inc. (KDDI Research)
6th Author's Name Chihiro Ono  
6th Author's Affiliation KDDI Research, Inc. (KDDI Research)
7th Author's Name Tetsuya Takine  
7th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2017-01-20 16:25:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2016-110 
Volume (vol) vol.116 
Number (no) no.403 
Page pp.115-120 
#Pages 6 
Date of Issue 2017-01-12 (CQ) 

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