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Paper Abstract and Keywords
Presentation 2020-06-18 14:55
An Improvement of TCP Throughput Fairness Control Method for Concurrent Communications in Elastic WLAN System
Md. Mahbubur Rahman, Nobuo Funabiki, Rahardhita Widyatra Sudibyo, Kwenga Ismael Munene, Hendy Briantoro (Okayama Univ.), Md. Manowarul Islam (Jagannath Univ.) NS2020-25
Abstract (in Japanese) (See Japanese page) 
(in English) Nowadays, IEEE802.11n wireless local-area network (WLAN) has gained significant popularities for the Internet access. In WLAN, when multiple hosts are concurrently communicating with a single access-point (AP), the TCP throughput unfairness appears among them. Previously, we have proposed the TCP fairness control method to solve this problem by introducing delays at the packet transmissions from the AP to the faster hosts, to give more transmission opportunities to the slowest host. However, iperf is adopted to measure the throughput, which becomes the bottleneck since the client software must be installed at every host. In this paper, we propose an improvement of this method by adopting iftop, which allows estimating the throughput by monitoring the transmitted/received packets at the AP. The effectiveness of our proposal is confirmed through experiments using the elastic WLAN system testbed with one AP and two hosts.
Keyword (in Japanese) (See Japanese page) 
(in English) WLAN / access point / IEEE 802.11n / PI controller / TCP throughput fairness / iftop / Raspberry Pi /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 69, NS2020-25, pp. 19-24, June 2020.
Paper # NS2020-25 
Date of Issue 2020-06-11 (NS) 
ISSN Online edition: ISSN 2432-6380
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 NS2020-25

Conference Information
Committee PN NS OCS  
Conference Date 2020-06-18 - 2020-06-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NS 
Conference Code 2020-06-PN-NS-OCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Improvement of TCP Throughput Fairness Control Method for Concurrent Communications in Elastic WLAN System 
Sub Title (in English)  
Keyword(1) WLAN  
Keyword(2) access point  
Keyword(3) IEEE 802.11n  
Keyword(4) PI controller  
Keyword(5) TCP throughput fairness  
Keyword(6) iftop  
Keyword(7) Raspberry Pi  
1st Author's Name Md. Mahbubur Rahman  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Nobuo Funabiki  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Rahardhita Widyatra Sudibyo  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Kwenga Ismael Munene  
4th Author's Affiliation Okayama University (Okayama Univ.)
5th Author's Name Hendy Briantoro  
5th Author's Affiliation Okayama University (Okayama Univ.)
6th Author's Name Md. Manowarul Islam  
6th Author's Affiliation Jagannath University, Bangladesh (Jagannath Univ.)
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Speaker Author-1 
Date Time 2020-06-18 14:55:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2020-25 
Volume (vol) vol.120 
Number (no) no.69 
Page pp.19-24 
Date of Issue 2020-06-11 (NS) 

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