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Paper Abstract and Keywords
Presentation 2022-09-02 09:40
Performance Evaluation of Switching Method of Media Access Control for Improving Fairness of Throughput between WLAN systems
Hiroyasu Obata, Chisa Takano (Hiroshima City Univ.) IN2022-33
Abstract (in Japanese) (See Japanese page) 
(in English) By widespread of a mobile access point (AP) and smart phone with tethering function, a situation where a lot of Wireless LAN (WLAN) systems are densely placed in conference rooms and cafes has become an usual condition.
In this situation, duplicate (same) channels are often used in 2.4Ghz band due to limited bandwidth.
In addition, the adjacent channels which interfere other channels are also used.
And then, if the WLAN uses the channel affected by adjacent channels easily, the throughput of the WLAN can be decreased.
As a result, it is possible that the fairness of WLANs decreases.
Here, the unfairness also occurs by positions of WLAN systems.
In order to overcome the problem, we have proposed a switching method of media access control (we call adaptive SACA) in order to improve the fairness of throughput under adjacent channel interference environment.
However, we have only evaluated the adaptive SACA in the limited situation.
This paper evaluates the characteristics of adaptive SACA in the several environments.
Furthermore, we discuss about further performance improvement of the adaptive SACA.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless LAN / Adjacent channel interference / Capture effect / Fairness of throughput / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 171, IN2022-33, pp. 33-38, Sept. 2022.
Paper # IN2022-33 
Date of Issue 2022-08-25 (IN) 
ISSN 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 IN2022-33

Conference Information
Committee NS IN CS NV  
Conference Date 2022-09-01 - 2022-09-02 
Place (in Japanese) (See Japanese page) 
Place (in English) MALIOS (Iwate Prefecture) + Online Meeting 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Session management (SIP/IMS), Interoperability/Standardization, NGN/NwGN/Future networks, Cloud/Data center networks, SDN (OpenFlow, etc.)/NFV, IPv6, Machine learning, etc. 
Paper Information
Registration To IN 
Conference Code 2022-09-NS-IN-CS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Switching Method of Media Access Control for Improving Fairness of Throughput between WLAN systems 
Sub Title (in English)  
Keyword(1) Wireless LAN  
Keyword(2) Adjacent channel interference  
Keyword(3) Capture effect  
Keyword(4) Fairness of throughput  
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1st Author's Name Hiroyasu Obata  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Chisa Takano  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Speaker Author-1 
Date Time 2022-09-02 09:40:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2022-33 
Volume (vol) vol.122 
Number (no) no.171 
Page pp.33-38 
#Pages 6 
Date of Issue 2022-08-25 (IN) 

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