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Paper Abstract and Keywords
Presentation 2008-03-07 12:05
QoS aware Adaptive Backoff Control Scheme for Collision Avoidance in Wireless Sensor Networks
Atsushi Takahashi, Shiro Sakata (Chiba Univ.), Kentaro Yanagihara, Shigeru Fukunaga (Oki Electric) IN2007-221
Abstract (in Japanese) (See Japanese page) 
(in English) Power consumption is a key issue in sensor networks. For power-saving, it is effective to reduce backoff caused by channel busy and retransmission due to the packet collision. IEEE 802.15.4 defines the random backoff mechanism for avoiding the re-backoff and the retransmission. Re-backoff and retransmission, however, increase as the traffic grows, if the default value of the exponent, macMinBE, deciding the first backoff time, is used without change. This article proposes a novel backoff control scheme which assures the required QoS in IEEE 802.15.4 by dynamically changing the macMinBE with avoiding re-backoff and retransmission. The effectiveness of the proposed scheme is shown through simulation analysis.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor Networks / IEEE 802.15.4 / Backoff / Power Consumption / QoS / ZigBee / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 525, IN2007-221, pp. 373-378, March 2008.
Paper # IN2007-221 
Date of Issue 2008-02-28 (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)
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Conference Information
Committee NS IN  
Conference Date 2008-03-06 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Bankoku Shinryokan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General issues 
Paper Information
Registration To IN 
Conference Code 2008-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) QoS aware Adaptive Backoff Control Scheme for Collision Avoidance in Wireless Sensor Networks 
Sub Title (in English)  
Keyword(1) Sensor Networks  
Keyword(2) IEEE 802.15.4  
Keyword(3) Backoff  
Keyword(4) Power Consumption  
Keyword(5) QoS  
Keyword(6) ZigBee  
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Keyword(8)  
1st Author's Name Atsushi Takahashi  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Shiro Sakata  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Kentaro Yanagihara  
3rd Author's Affiliation Oki Electric Industry Co., Ltd. (Oki Electric)
4th Author's Name Shigeru Fukunaga  
4th Author's Affiliation Oki Electric Industry Co., Ltd. (Oki Electric)
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Speaker Author-1 
Date Time 2008-03-07 12:05:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2007-221 
Volume (vol) vol.107 
Number (no) no.525 
Page pp.373-378 
#Pages
Date of Issue 2008-02-28 (IN) 


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