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Paper Abstract and Keywords
Presentation 2014-05-29 14:00
Delay Tomography Requiring No Clock Synchronization among Nodes
Kensuke Nakanishi, Shinsuke Hara (Osaka City Univ.), Takahiro Matsuda (Osaka Univ.), Kenichi Takizawa, Fumie Ono, Ryu Miura (NICT) RCC2014-5 MICT2014-5
Abstract (in Japanese) (See Japanese page) 
(in English) Delay tomography means to estimate internal link delays in a network by means of measuring end-to-end path delays. In this paper, we focus on a delay tomography scheme based on compressed sensing which can effectively identify bottleneck links. So far, delay tomography has burdened source and receiver measurement nodes with clock synchronization between them in order to compute the end-to-end path delays, while we propose a synchronization-free delay tomography scheme. The proposed scheme selects a path between source and receiver measurement nodes as a reference path, which results in a loss of equation in a conventional delay tomography problem. However, by utilizing compressed sensing, the proposed scheme becomes robust to the loss. Simulation experiments confirm that the proposed scheme works comparable to a conventional delay tomography scheme in networks with no clock synchronization between source and receiver measurement nodes.
Keyword (in Japanese) (See Japanese page) 
(in English) delay tomography / compressed sensing / clock synchronization / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 60, RCC2014-5, pp. 17-20, May 2014.
Paper # RCC2014-5 
Date of Issue 2014-05-22 (RCC, MICT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 RCC2014-5 MICT2014-5

Conference Information
Committee MICT RCC  
Conference Date 2014-05-29 - 2014-05-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Reliable Communication and Control, Healthcare and Medical Information Communication Technologies, etc. 
Paper Information
Registration To RCC 
Conference Code 2014-05-MICT-RCC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Delay Tomography Requiring No Clock Synchronization among Nodes 
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
Date Time 2014-05-29 14:00:00 
Presentation Time 25 
Registration for RCC 
Paper # IEICE-RCC2014-5,IEICE-MICT2014-5 
Volume (vol) IEICE-114 
Number (no) no.60(RCC), no.61(MICT) 
Page pp.17-20 
#Pages IEICE-4 
Date of Issue IEICE-RCC-2014-05-22,IEICE-MICT-2014-05-22 


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