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Paper Abstract and Keywords
Presentation 2008-07-18 15:35
A Study on Fully-distributed localization alghorithm in wireless sensor networks
Kenji Kaneko, Yutaka Kashiwabara, Ryuji Kohno (Yokohama National Univ.) USN2008-34
Abstract (in Japanese) (See Japanese page) 
(in English) For various kinds of applications in wireless sensor network, the positional information of each sensor node is essential. However，a lot of reference nodes is needed to geolocate the sensor nodes distributing widely．It is not preferrble in the view of introducing the system．In this paper，we consider automatical distributed geolocation algorythm．The algorythm we consider geolocate the sensor nodes recursively，which enables us to geolocate sensor nodes by few reference nodes．And，we propose some novel techniques to combat the problems，accumulation of error and signal caused by NLOS（Non Line of Sight） propagation channel.
The proposed technique divided into two step．In the first step，it is determined that the sensor nodes once geolocated is under NLOS or not by comperaing the metrics value among sensor noeds which
In the second step，the sensor node under NLOS regeolocated by different combination of reference nodes．Then，these step is applyed iteratively．
Some computer simulations show the proposed technique can achieve robust and precise estimation compared with conventional systems.
Keyword (in Japanese) (See Japanese page) 
(in English) sensor network / location estimation / NLOS / accumlative error / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 138, USN2008-34, pp. 135-140, July 2008.
Paper # USN2008-34 
Date of Issue 2008-07-10 (USN) 
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 USN2008-34

Conference Information
Committee USN IPSJ-UBI  
Conference Date 2008-07-17 - 2008-07-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Denki University （Tokyo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Technology components for ubiquitous and sensor networks, context extraction, smart space, living support, etc. 
Paper Information
Registration To USN 
Conference Code 2008-07-USN-UBI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Fully-distributed localization alghorithm in wireless sensor networks 
Sub Title (in English)  
Keyword(1) sensor network  
Keyword(2) location estimation  
Keyword(3) NLOS  
Keyword(4) accumlative error  
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1st Author's Name Kenji Kaneko  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Yutaka Kashiwabara  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
3rd Author's Name Ryuji Kohno  
3rd Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2008-07-18 15:35:00 
Presentation Time 25 minutes 
Registration for USN 
Paper # USN2008-34 
Volume (vol) vol.108 
Number (no) no.138 
Page pp.135-140 
#Pages 6 
Date of Issue 2008-07-10 (USN) 

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