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Paper Abstract and Keywords
Presentation 2009-05-21 16:40
Prioritization Control using CTS in Wireless LANs
Hiroshi Masui, Shiro Sakata, Shigeo Shioda (Chiba Univ.), Yumi Hirano, Tutomu Murase (NEC) IN2009-6
Abstract (in Japanese) (See Japanese page) 
(in English) IEEE 802.11e in which four classes are defined for prioritization was standardized as a QoS control scheme in a wireless LAN.
It is, however, difficult to control "uplink" throughput of each class arbitrarily.
Moreover, deployment cost is high because all terminals have to be modified in compliance with IEEE 802.11e specifications as well as the access point.
A scheme called ROC （MAC Frame Receiving Opportunity Control） enabling a more fine-grained prioritization than IEEE 802.11e was proposed.
ROC is implemented merely by modifyingthe access point.
This report proposes a novel priority control scheme in which CTS （Clear-To-Send） is employed for giving more transmission opportunities to high-priority flow than low-priority flows.
This scheme considerably achieves much higher utilizations than ROC, can be deployed merely by modifying the access point, and can control throughput almost arbitrarily.
The proposed scheme is evaluated by simulation, result of which shows the advantage and effectiveness of the proposed scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) QoS / Wireless LAN / MAC / IEEE 802.11 / IEEE 802.11e / CTS / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 37, IN2009-6, pp. 31-36, May 2009.
Paper # IN2009-6 
Date of Issue 2009-05-14 (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)
Download PDF IN2009-6

Conference Information
Committee RCS IN  
Conference Date 2009-05-21 - 2009-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) multihop, mesh network, network coding, wireless communication, etc. 
Paper Information
Registration To IN 
Conference Code 2009-05-RCS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prioritization Control using CTS in Wireless LANs 
Sub Title (in English)  
Keyword(1) QoS  
Keyword(2) Wireless LAN  
Keyword(3) MAC  
Keyword(4) IEEE 802.11  
Keyword(5) IEEE 802.11e  
Keyword(6) CTS  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroshi Masui  
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 Shigeo Shioda  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Yumi Hirano  
4th Author's Affiliation NEC Corporation (NEC)
5th Author's Name Tutomu Murase  
5th Author's Affiliation NEC Corporation (NEC)
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Speaker Author-1 
Date Time 2009-05-21 16:40:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2009-6 
Volume (vol) vol.109 
Number (no) no.37 
Page pp.31-36 
#Pages 6 
Date of Issue 2009-05-14 (IN) 

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