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Paper Abstract and Keywords
Presentation 2020-11-26 16:00
[Poster Presentation] Latency-Aware Fair Scheduling for Spatial Reuse in WLANs: A Lyapunov Optimization Approach
Shunnosuke Kotera, Bo Yin, Koji Yamamoto (Kyoto Univ.), Hirantha Abeysekera (NTT) SeMI2020-23
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless local area networks (WLANs) have been widely deployed today, and the demand for low latency communication in WLANs has been growing.
This paper introduces latency-aware scheduler with orthogonal frequency-division multiple access (OFDMA) used in IEEE 802.11ax networks.
In this method, we formulate a scheduling problem for WLANs with the stabilization of the transmission queue, which is one of the quality of service (QoS) issues and the fairness of the instantaneous data rate as a stochastic optimization problem.
This problem is solved by using Lyapunov optimization, which eliminates the time average constraints of the problem.
In IEEE 802.11ax networks, access points (APs) can transmit concurrently with neighboring WLANs.
Accordingly, it has been difficult to estimate the data rate that is necessary for resource allocation.
This method adopts a data rate estimation from basic service set (BSS) color.
Finally, we perform numerical simulations in dense WLANs and compare a latency index and fairness of data rate among the proposed scheme and compared schemes.
Keyword (in Japanese) (See Japanese page) 
(in English) BSS Color / IEEE 802.11ax / Lyapunov Optimization / QoS / OFDMA / Radio Resource Management / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 261, SeMI2020-23, pp. 35-38, Nov. 2020.
Paper # SeMI2020-23 
Date of Issue 2020-11-19 (SeMI) 
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 SeMI2020-23

Conference Information
Committee SRW SeMI CNR  
Conference Date 2020-11-26 - 2020-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IoT Workshop 
Paper Information
Registration To SeMI 
Conference Code 2020-11-SRW-SeMI-CNR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Latency-Aware Fair Scheduling for Spatial Reuse in WLANs: A Lyapunov Optimization Approach 
Sub Title (in English)  
Keyword(1) BSS Color  
Keyword(2) IEEE 802.11ax  
Keyword(3) Lyapunov Optimization  
Keyword(4) QoS  
Keyword(5) OFDMA  
Keyword(6) Radio Resource Management  
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Keyword(8)  
1st Author's Name Shunnosuke Kotera  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Bo Yin  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Koji Yamamoto  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Hirantha Abeysekera  
4th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2020-11-26 16:00:00 
Presentation Time 70 minutes 
Registration for SeMI 
Paper # SeMI2020-23 
Volume (vol) vol.120 
Number (no) no.261 
Page pp.35-38 
#Pages 4 
Date of Issue 2020-11-19 (SeMI) 

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