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| Presentation | 2017-07-19 09:15 A Mathematical Model of Access Control to Allocate Downlink Bandwidth in High-Density Wireless LAN Yuto Katayama, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.)  ASN2017-13 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the IEEE 802.11 standards used for wireless LANs, an access point (AP) and stations (STAs) have opportunities to transmit the data frame in a basic service set (BSS) by carrier sense multiple access with collision avoidance (CSMA/CA). When there are a large number of STAs with high traffic in the BSS, the throughput from AP to a STA will deteriorate since its transmit opportunities are severely limited. We develop a mathematical model of access control to allocate bandwidth for the downlink from AP to STAs in the saturated traffic. The mathematical model enables us to derive a contention window (CW) size at AP with the uniform backoff algorithm such that the downlink bandwidth is guaranteed even in the bidirectional saturated traffic. We show the validity of the CW size obtained from the mathematical model using a network simulator, ns3. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | wireless LAN / CSMA/CA / backoff time / minimum contention window / inter-frame space / ns3 / mathematical model / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 134, ASN2017-13, pp. 9-14, July 2017. | |
| Paper # | ASN2017-13 | |
| Date of Issue | 2017-07-12 (ASN) | |
| ISSN | Print edition: ISSN 0913-5685 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 | ASN2017-13 |
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| Conference Information | |
| Committee | NS ASN RCC RCS SR |
| Conference Date | 2017-07-19 - 2017-07-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Distributed Network, M2M (Machine-to-Machine), D2D (Device-to-Device)，etc. |
| Paper Information | |
| Registration To | ASN |
| Conference Code | 2017-07-NS-ASN-RCC-RCS-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Mathematical Model of Access Control to Allocate Downlink Bandwidth in High-Density Wireless LAN |
| Sub Title (in English) | |
| Keyword(1) | wireless LAN |
| Keyword(2) | CSMA/CA |
| Keyword(3) | backoff time |
| Keyword(4) | minimum contention window |
| Keyword(5) | inter-frame space |
| Keyword(6) | ns3 |
| Keyword(7) | mathematical model |
| Keyword(8) | |
| 1st Author's Name | Yuto Katayama |
| 1st Author's Affiliation | Kyoto Institute of Technology (Kyoto Inst. of Tech.) |
| 2nd Author's Name | Daisuke Umehara |
| 2nd Author's Affiliation | Kyoto Institute of Technology (Kyoto Inst. of Tech.) |
| 3rd Author's Name | Koichiro Wakasugi |
| 3rd Author's Affiliation | Kyoto Institute of Technology (Kyoto Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2017-07-19 09:15:00 |
| Presentation Time | 25 minutes |
| Registration for | ASN |
| Paper # | ASN2017-13 |
| Volume (vol) | vol.117 |
| Number (no) | no.134 |
| Page | pp.9-14 |
| #Pages | 6 |
| Date of Issue | 2017-07-12 (ASN) |
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