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| 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 |
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| 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. |
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| 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 |
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| 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 |
| Keyword(7) | |
| 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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