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Paper Abstract and Keywords
Presentation 2014-07-30 15:45
A Study on Reference Path Selection in Synronization-Free Delay Tomography
Kensuke Nakanishi, Shinsuke Hara (Osaka City Univ.), Takahiro Matsuda (Osaka Univ.), Kenichi Takizawa, Fumie Ono, Ryu Miura (NICT) RCC2014-22
Abstract (in Japanese) (See Japanese page) 
(in English) Synchronization-free delay tomography is a scheme which can identify bottleneck links by measuring end-to-end delays between source and receiver measurement nodes in a network even when their clocks are not synchronized. The scheme selects a path between source and receiver measurement nodes as a reference path to get rid of a synchronization error, and we theoretically proved that the differential routing matrix obtained by the scheme preserves the 1-identifiability of its original routing matrix whichever path may be selected as a reference, and simulation experiments suggested that a shorter path is more preferable as a reference in terms of the k-identifiability ratio. In this article,
we try to theoretically prove the preferability of the shorter path selection by investigating the distribution of absolute normalized correlation for the differential routing matrix.
Keyword (in Japanese) (See Japanese page) 
(in English) delay tomography / compressed sensing / clock synchronization / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 162, RCC2014-22, pp. 1-6, July 2014.
Paper # RCC2014-22 
Date of Issue 2014-07-23 (RCC) 
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 RCC2014-22

Conference Information
Committee RCC ASN NS RCS SR  
Conference Date 2014-07-30 - 2014-08-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Terrsa 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Network, M2M: Machine-to-Machine, D2D: Device-to-Device, etc. 
Paper Information
Registration To RCC 
Conference Code 2014-07-RCC-ASN-NS-RCS-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Reference Path Selection in Synronization-Free Delay Tomography 
Sub Title (in English)  
Keyword(1) delay tomography  
Keyword(2) compressed sensing  
Keyword(3) clock synchronization  
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1st Author's Name Kensuke Nakanishi  
1st Author's Affiliation Osaka City University (Osaka City Univ.)
2nd Author's Name Shinsuke Hara  
2nd Author's Affiliation Osaka City University (Osaka City Univ.)
3rd Author's Name Takahiro Matsuda  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Kenichi Takizawa  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Fumie Ono  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Ryu Miura  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2014-07-30 15:45:00 
Presentation Time 25 minutes 
Registration for RCC 
Paper # RCC2014-22 
Volume (vol) vol.114 
Number (no) no.162 
Page pp.1-6 
#Pages 6 
Date of Issue 2014-07-23 (RCC) 

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