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Paper Abstract and Keywords
Presentation 2015-09-02 10:30
Implementation of Random AIFSN Scheme on Off-the-Shelf WLAN Devices
Ryuichi Hirata, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.) CQ2015-61
Abstract (in Japanese) (See Japanese page) 
(in English) Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) is a medium access control mechanism which is employed in wireless local area networks (WLANs).
In CSMA/CA, the throughput deteriorates as a number of nodes increases due to increase of frame collisions.
To solve this problem, we have proposed the random AIFSN scheme which maintains a small number of of contending nodes by virtually dividing nodes into contending and non-contending groups.
The performance has been evaluated well by computer simulation, but experimental evaluation is still an open issue.
In this paper, we implement the random AIFSN scheme on an off-the-shelf device. The experimental results show that writing AIFSN value to a hardware drive becomes the bottleneck and decreases the WLAN throughput and confirm the random AIFSN scheme works on the device.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless LAN / medium access control / Random AIFSN / densely deployed WLANs / Implementation / Raspberry Pi / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 206, CQ2015-61, pp. 125-129, Sept. 2015.
Paper # CQ2015-61 
Date of Issue 2015-08-25 (CQ) 
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)
Download PDF CQ2015-61

Conference Information
Committee CQ  
Conference Date 2015-09-01 - 2015-09-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2015-09-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Implementation of Random AIFSN Scheme on Off-the-Shelf WLAN Devices 
Sub Title (in English)  
Keyword(1) wireless LAN  
Keyword(2) medium access control  
Keyword(3) Random AIFSN  
Keyword(4) densely deployed WLANs  
Keyword(5) Implementation  
Keyword(6) Raspberry Pi  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryuichi Hirata  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Takayuki Nishio  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Masahiro Morikura  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Koji Yamamoto  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2015-09-02 10:30:00 
Presentation Time 20 minutes 
Registration for CQ 
Paper # CQ2015-61 
Volume (vol) vol.115 
Number (no) no.206 
Page pp.125-129 
#Pages 5 
Date of Issue 2015-08-25 (CQ) 

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