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Paper Abstract and Keywords
Presentation 2012-11-16 14:50
A Study of Multi-Channel Access for Wireless LAN using Channel Segregation Based Dynamic Channel Assignment
Katsuhiro Temma, Yuki Matsumura, Tatsunori Obara, Tetsuya Yamamoto (Tohoku Univ.), Koichi Ishihara, Hirantha Abeysekera, Tomoaki Kumagai (NTT), Fumiyuki Adachi (Tohoku Univ.) RCS2012-181
Abstract (in Japanese) (See Japanese page) 
(in English) The higher-speed and larger-capacity transmission is demanded in the wireless local area network (WLAN). The same wireless channel has to be reused in the WLAN due to the limited number of available wireless channels, and therefore the network capacity is limited by the co-channel interference (CCI). Recently, we applied the channel segregation based dynamic channel assignment (CS-DCA) to WLAN and showed that CS-DCA can effectively reduce the CCI level. In the WLAN, the carrier sense multiple access with collision avoidance (CSMA/CA) is used. As the traffic increases, the throughput reduces because of collision avoidance. In this paper, we introduce the multi-channel access to the WLAN using CS-DCA. In CS-DCA, each access point (AP) has the channel priority table, in which the channels are listed in order of increasing CCI level. The multi-channel access can be realized by using the channels of the first order, the second order, and below. Although the CCI level increases if multiple channels are used at the same AP, CS-DCA may be able to reduce the CCI level. We evaluate by computer simulation the impact of the multi-channel access on the channel reuse pattern formed by CS-DCA and the CCI reduction.
Keyword (in Japanese) (See Japanese page) 
(in English) Channel segregation / Dynamic channel assignment / Multi-channel Access / Co-channel interference / Wireless LAN / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 286, RCS2012-181, pp. 121-126, Nov. 2012.
Paper # RCS2012-181 
Date of Issue 2012-11-08 (RCS) 
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 AP RCS  
Conference Date 2012-11-14 - 2012-11-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Denki University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2012-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Multi-Channel Access for Wireless LAN using Channel Segregation Based Dynamic Channel Assignment 
Sub Title (in English)  
Keyword(1) Channel segregation  
Keyword(2) Dynamic channel assignment  
Keyword(3) Multi-channel Access  
Keyword(4) Co-channel interference  
Keyword(5) Wireless LAN  
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Keyword(7)  
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1st Author's Name Katsuhiro Temma  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yuki Matsumura  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Tatsunori Obara  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Tetsuya Yamamoto  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Koichi Ishihara  
5th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
6th Author's Name Hirantha Abeysekera  
6th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
7th Author's Name Tomoaki Kumagai  
7th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
8th Author's Name Fumiyuki Adachi  
8th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2012-11-16 14:50:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2012-181 
Volume (vol) vol.112 
Number (no) no.286 
Page pp.121-126 
#Pages 6 
Date of Issue 2012-11-08 (RCS) 

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