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Paper Abstract and Keywords
Presentation 2012-05-17 15:15
A Missing Data Recovery Scheme Using Low-Rank Approximation in Wireless Sensor Networks
Takahiro Matsuda (Osaka Univ.) IN2012-15
Abstract (in Japanese) (See Japanese page) 
(in English) In wireless network, error-prone wireless links may cause loss of transmitted data. In this article, we propose a missing data recovery scheme for wireless sensor networks, where sensor nodes deliver sensed data to the sink. The proposed scheme is based on matrix completion, which is a different approach from traditional error control schemes such as ARQ (Automatic Repeat reQuest) and FEC (Forward Error Correction). The sink
constucts a sensed data matrix from received packets and recover missing entries of the matrix with matrix completion, which can recover the missing entries if the matrix is formulated as a low-rank one. We show that a sensed data matrix obtained from spatially correlated sensed data can be approximated as a low-rank matrix and matrix completion can recover the missing entries approximately. We implement the proposed scheme with a singular value thresholding algorithm for matrix completion and evaluate its performance with simple simulation scenarios.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless sensor networks / missing data recovery / matrix completion / low-rank approximation / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 28, IN2012-15, pp. 19-24, May 2012.
Paper # IN2012-15 
Date of Issue 2012-05-10 (IN) 
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 IN2012-15

Conference Information
Committee IN RCS  
Conference Date 2012-05-17 - 2012-05-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kuramae-Kaikan, Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Internet, Multi-hop network, Mesh network, Network coding, Cross layer technique, Wireless communication, etc. 
Paper Information
Registration To IN 
Conference Code 2012-05-IN-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Missing Data Recovery Scheme Using Low-Rank Approximation in Wireless Sensor Networks 
Sub Title (in English)  
Keyword(1) wireless sensor networks  
Keyword(2) missing data recovery  
Keyword(3) matrix completion  
Keyword(4) low-rank approximation  
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1st Author's Name Takahiro Matsuda  
1st Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2012-05-17 15:15:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2012-15 
Volume (vol) vol.112 
Number (no) no.28 
Page pp.19-24 
#Pages 6 
Date of Issue 2012-05-10 (IN) 

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