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Paper Abstract and Keywords
Presentation 2011-03-03 10:30
Retransmission Method with Network Coding based on Adaptive Cooperation with EDCA in Wireless LANs
Yosuke Tanigawa (Osaka Prefecture Univ.), Jong-Ok Kim (Korea Univ.), Hideki Tode (Osaka Prefecture Univ.) NS2010-198
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, network coding (NC) has been popularly applied to wireless networks in order to improve scarce wireless capacity. In wireless LANs, NC can be applied to packet retransmission, in which multiple packets can be equivalently transmitted by a single retransmission trial. In this paper, retransmission based on NC cooperates with IEEE 802.11 EDCA (Enhanced Distributed Channel Access). In EDCA, when network loads are high, QoS degrades even in high priority class. To solve this problem, existing methods improve backoff control, and decrease packet losses caused by collision. However, backoff control cannot prevent packet losses caused by bad channel fading. The proposed method selects a packet to be transmitted and packet group to be encoded into one packet. As a result, total QoS in priority classes is enhanced keeping the difference between different classes. Finally, we show the effectiveness of the proposed method by computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless LAN / QoS control / IEEE 802.11 EDCA / Network coding / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 448, NS2010-198, pp. 199-204, March 2011.
Paper # NS2010-198 
Date of Issue 2011-02-24 (NS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 IN NS  
Conference Date 2011-03-03 - 2011-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General, NS+IN workshop (March 3-4) 
Paper Information
Registration To NS 
Conference Code 2011-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Retransmission Method with Network Coding based on Adaptive Cooperation with EDCA in Wireless LANs 
Sub Title (in English)  
Keyword(1) Wireless LAN  
Keyword(2) QoS control  
Keyword(3) IEEE 802.11 EDCA  
Keyword(4) Network coding  
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1st Author's Name Yosuke Tanigawa  
1st Author's Affiliation Osaka Prefecture University (Osaka Prefecture Univ.)
2nd Author's Name Jong-Ok Kim  
2nd Author's Affiliation Korea University (Korea Univ.)
3rd Author's Name Hideki Tode  
3rd Author's Affiliation Osaka Prefecture University (Osaka Prefecture Univ.)
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Speaker Author-1 
Date Time 2011-03-03 10:30:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2010-198 
Volume (vol) vol.110 
Number (no) no.448 
Page pp.199-204 
#Pages
Date of Issue 2011-02-24 (NS) 


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