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| Presentation | 2020-01-24 13:25 A WLAN Channel Assignment Method Based on DFS Occurrence Pattern Analysis in 5GHz Radar Band Takayoshi Nakayama, Hiroshi Fujita, Hiroaki Arai (Fujitsu Laboratories Ltd.)  NS2019-169 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a wireless LAN (WLAN) system using the 5GHz band, a dynamic frequency selection (DFS) by radar interference causes a communication interruption and degradation of a channel utilization efficiency. We analyzed the DFS occurrence history of a WLAN system in operation and found that the pattern of DFS occurrence can be classified as stationary or sporadic. In this paper, we propose a method to estimate whether the DFS occurrence pattern is stationary or sporadic using DFS operation histories across multiple APs, and a channel assignment method in which channels are reused only in the case of sporadic pattern. Simulation results show that the proposed method can reduce the number of communication interruptions by up to 75% while maintaining channel utilization efficiency. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | wireless LAN / radar band / dynamic frequency selection / channel assignment / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 383, NS2019-169, pp. 49-54, Jan. 2020. | |
| Paper # | NS2019-169 | |
| Date of Issue | 2020-01-16 (NS) | |
| 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 | NS2019-169 |
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| Conference Information | |
| Committee | NS NWS |
| Conference Date | 2020-01-23 - 2020-01-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network software (Software architecture, Middleware), Network application, SOA/SDP, NGN/IMS/API, Distributed control/Dynamic routing, Grid, NFV, IoT, Network/System reliability, Network/System evaluation, etc. |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2020-01-NS-NWS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A WLAN Channel Assignment Method Based on DFS Occurrence Pattern Analysis in 5GHz Radar Band |
| Sub Title (in English) | |
| Keyword(1) | wireless LAN |
| Keyword(2) | radar band |
| Keyword(3) | dynamic frequency selection |
| Keyword(4) | channel assignment |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takayoshi Nakayama |
| 1st Author's Affiliation | Fujitsu Laboratories Ltd. (Fujitsu Laboratories Ltd.) |
| 2nd Author's Name | Hiroshi Fujita |
| 2nd Author's Affiliation | Fujitsu Laboratories Ltd. (Fujitsu Laboratories Ltd.) |
| 3rd Author's Name | Hiroaki Arai |
| 3rd Author's Affiliation | Fujitsu Laboratories Ltd. (Fujitsu Laboratories Ltd.) |
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| Speaker | Author-1 |
| Date Time | 2020-01-24 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | NS |
| Paper # | NS2019-169 |
| Volume (vol) | vol.119 |
| Number (no) | no.383 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2020-01-16 (NS) |
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