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Paper Abstract and Keywords
Presentation 2008-10-24 09:20
Load Balancing for Asymmetric Topology in Multiple-sink sensor networks
Tadao Oishi, Masaki Bandai, Takashi Watanabe (Shizuoka Univ.) AN2008-46
Abstract (in Japanese) (See Japanese page) 
(in English) An issue of sensor networks is that there are bottleneck nodes, which relay more data than others. In general, the bottleneck nodes are located near the sink in sensor networks. Multiple sinks are introduced to balance the traffic load to bottleneck nodes. However, bottleneck nodes are not always near the sink when sensor node distribution is not uniform. In such a situation, the conventional approach using multiple sinks depletes the batteries of bottleneck nodes earlier than those of nodes near the sink. As a result, the network lifetime is shortened. In this paper, we propose a load balancing method for asymmetric topology where node distribution is not-uniform, called DCAM (DispersiveCast of Packets to Avoid bottleneck nodes in using Multiple sinks). In the DCAM, the sink finds bottleneck nodes, and each node sends its sensing data to multiple sinks so that the load on the bottleneck nodes can be balanced. We evaluate DCAM using computer simulations and show that DCAM prolongs the network lifetime by about 1.62 times compared with the conventional scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor Network / Multiple-Sink / Bottleneck nodes / Load Balancing / DispersiveCast of Packets / Asymmetric Topology / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 251, AN2008-46, pp. 99-104, Oct. 2008.
Paper # AN2008-46 
Date of Issue 2008-10-15 (AN) 
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)
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Conference Information
Committee SR RCS USN AN  
Conference Date 2008-10-22 - 2008-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa industry support center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless discributed network special session and general session 
Paper Information
Registration To AN 
Conference Code 2008-10-SR-RCS-USN-AN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Load Balancing for Asymmetric Topology in Multiple-sink sensor networks 
Sub Title (in English)  
Keyword(1) Sensor Network  
Keyword(2) Multiple-Sink  
Keyword(3) Bottleneck nodes  
Keyword(4) Load Balancing  
Keyword(5) DispersiveCast of Packets  
Keyword(6) Asymmetric Topology  
Keyword(7)  
Keyword(8)  
1st Author's Name Tadao Oishi  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Masaki Bandai  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
3rd Author's Name Takashi Watanabe  
3rd Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2008-10-24 09:20:00 
Presentation Time 20 minutes 
Registration for AN 
Paper # AN2008-46 
Volume (vol) vol.108 
Number (no) no.251 
Page pp.99-104 
#Pages 6 
Date of Issue 2008-10-15 (AN) 

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