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Paper Abstract and Keywords
Presentation 2013-03-08 11:10
Proposal of Detour Multipath Routing Protocol in Wireless Sensor Networks for Data Gathering
Keisuke Fujita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki (Kobe Univ.) NS2012-215
Abstract (in Japanese) (See Japanese page) 
(in English) In battery-powered wireless sensor networks (WSNs), system lifetime is strongly affected by drain of nodes' batteries. In severe environments such as disaster scenarios, WSNs also need to be tolerant to failure or loss of nodes due to external factors. The aim of this paper is to increase data collection ratio by enhancing tolerance to nodes' failure or loss while keeping system lifetime as long as possible in data-gathering WSNs. In this paper, we propose not only a detour multipath data gathering protocol called "Side Trip (ST)" scheme to enhance regional node-failure tolerance but also an improved version of ST called "Side Trip Network Coding (STNC)" scheme which utilizes network coding to reduce redundant packets without affecting the system lifetime significantly. In data-gathering WSNs, nodes further away from sink node tend to have less relayed packets. In ST scheme, then, a node establishes another detour path which partially traces on nodes same hop away from the sink in order to increase the tolerance to geographically-correlated node-failure. In STNC, redundant packets from different source nodes are network-coded into an encoded packet in order to reduce redundant packets. By comparison of ST, STNC, and SMRP which is an existing multipath protocol by means of a self-developed simulator, it is shown that STNC and ST enhance tolerance for node failure compared with SMRP without significant influence to system lifetime.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless sensor networks / network coding / node-failure tolerance / system lifetime / packet scheduling / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 463, NS2012-215, pp. 289-294, March 2013.
Paper # NS2012-215 
Date of Issue 2013-02-28 (NS) 
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 NS2012-215

Conference Information
Committee NS IN  
Conference Date 2013-03-07 - 2013-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Zanpamisaki Royal Hotel 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2013-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Detour Multipath Routing Protocol in Wireless Sensor Networks for Data Gathering 
Sub Title (in English)  
Keyword(1) wireless sensor networks  
Keyword(2) network coding  
Keyword(3) node-failure tolerance  
Keyword(4) system lifetime  
Keyword(5) packet scheduling  
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1st Author's Name Keisuke Fujita  
1st Author's Affiliation Kobe University (Kobe Univ.)
2nd Author's Name Yumi Takaki  
2nd Author's Affiliation Kobe University (Kobe Univ.)
3rd Author's Name Chikara Ohta  
3rd Author's Affiliation Kobe University (Kobe Univ.)
4th Author's Name Hisashi Tamaki  
4th Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2013-03-08 11:10:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2012-215 
Volume (vol) vol.112 
Number (no) no.463 
Page pp.289-294 
#Pages 6 
Date of Issue 2013-02-28 (NS) 

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