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Paper Abstract and Keywords
Presentation 2007-12-14 10:50
A Clustering Method to Improve Data Aggregation in Wireless Sensor Networks
Naotaka Tsutsumi, Shinji Inoue, Yoshiaki Kakuda (Hiroshima City Univ.) IN2007-110
Abstract (in Japanese) (See Japanese page) 
(in English) Because the power resource is limited for a long-term observation in the sensor network,
the information gathering with good energy efficiency is indispensable.
The sensors mainly consumes the electric power by detecting, transmitting, and receiving information.
Especially, the power consumption of the information transmission is
proportional to the square of the communication distance or more.
Therefore,the following clustering method is effective, transmitting power is
suppressed to the minimum, the cluster is formed with the sensors which are close to each other,
a sensor that is called a cluster head aggregates and delivers information to
the base station as the multi hopping.
In the previous research CAG,since sensors that exist in near place
would have information such as the same range of temperature and brightness, etc.
to some degree,
user's requests are sent to the sensors which are located in the vicinity of a
cluster head,
and Suppressing that send information in a cluster except cluster head reduces
power consumption. However, a long-term information gathering is not thought in CAG,
and when information is collected again,
it is necessary to make the cluster from the beginning because the case where information changes is not considered.
Then, this paper proposes a clustering technique for reconstructing the cluster
only when there is a on the information between the current cycle and the
previous cycle.
this paper also shows that the proposed method is effective with respect to
energy consumptionby the simulation evaluation.
Keyword (in Japanese) (See Japanese page) 
(in English) sensor network / clustering / energy-efficiency / spatial aggregation / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 378, IN2007-110, pp. 67-72, Dec. 2007.
Paper # IN2007-110 
Date of Issue 2007-12-06 (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 IN2007-110

Conference Information
Committee IN  
Conference Date 2007-12-13 - 2007-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet Traffic, TCP/IP, Network Analysis/Evaluation, Netework Model, etc. 
Paper Information
Registration To IN 
Conference Code 2007-12-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Clustering Method to Improve Data Aggregation in Wireless Sensor Networks 
Sub Title (in English)  
Keyword(1) sensor network  
Keyword(2) clustering  
Keyword(3) energy-efficiency  
Keyword(4) spatial aggregation  
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Keyword(6)  
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1st Author's Name Naotaka Tsutsumi  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Shinji Inoue  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
3rd Author's Name Yoshiaki Kakuda  
3rd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Speaker Author-1 
Date Time 2007-12-14 10:50:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2007-110 
Volume (vol) vol.107 
Number (no) no.378 
Page pp.67-72 
#Pages 6 
Date of Issue 2007-12-06 (IN) 

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