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Paper Abstract and Keywords
Presentation 2014-01-23 14:10
An Access Method to Achieve Airtime Fairness in Wireless LANs -- Solutions for Data Frame Loss and Coexisting of DCF Stations --
Atsuki Suwashita, Hiroshi Inai (Okayama Pref. Univ.) NS2013-164
Abstract (in Japanese) (See Japanese page) 
(in English) Under the wireless LANs, the distributed coordination function (DCF) is used as a standard access method to avoid frame collisions due to simultaneous accesses.
The DCF avoids frame collisions by setting arandom backoff time to each station.
However that mechanism does not completely avoid frame collisions, and causes throughput degradation due to redundant backoff time.
Furthermore high rate station's throughput is affected by low rate stations because the DCF provides the same access right to each station regarlress the station's transmission rate.
To solve two problems, we have proposed an access method to reduce frame collisions and to achieve airtime fairness.
That method was effective under coexisting of DCF Stations.
However we have assumed an environment under which each station can completely overhear other station's frame.
This paper enhances our previous method to work well even under frame lossy conditions.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless LANs / Performance Anomaly / Airtime Fairness / Data Frame Loss / Frame Collision / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 388, NS2013-164, pp. 7-12, Jan. 2014.
Paper # NS2013-164 
Date of Issue 2014-01-16 (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 NS2013-164

Conference Information
Committee NS  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of the Ryukyus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Software, Network Application, SOA/SDP, NGN, IMS, API, Grid 
Paper Information
Registration To NS 
Conference Code 2014-01-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Access Method to Achieve Airtime Fairness in Wireless LANs 
Sub Title (in English) Solutions for Data Frame Loss and Coexisting of DCF Stations 
Keyword(1) Wireless LANs  
Keyword(2) Performance Anomaly  
Keyword(3) Airtime Fairness  
Keyword(4) Data Frame Loss  
Keyword(5) Frame Collision  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Atsuki Suwashita  
1st Author's Affiliation Okayama Prefectural University (Okayama Pref. Univ.)
2nd Author's Name Hiroshi Inai  
2nd Author's Affiliation Okayama Prefectural University (Okayama Pref. Univ.)
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Speaker Author-1 
Date Time 2014-01-23 14:10:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2013-164 
Volume (vol) vol.113 
Number (no) no.388 
Page pp.7-12 
#Pages 6 
Date of Issue 2014-01-16 (NS) 

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