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| Presentation | 2023-03-02 15:30 Research on estimation of radio wave conditions in indoor WiFi environments using a hyper-plane model Hiromu Honda, Daiki Kodama, Techasarntikul Nattaon, Tomoki Yoshihisa, Hideyuki Shimonishi (Osaka Univ.)  IN2022-90 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wireless remote control of robots in a cyber-physical system (CPS) requires real-time estimation of the radio wave conditions of the entire area where the robot moves. However, it is impossible to place enough sensors to directly observe the conditions in the area. Therefore, a method to estimate the conditions is needed based on partial observations. In this study, we propose a method for estimating radio wave conditions using an approximation by a hyperplane. Since approximating with a single hyperplane results in a large estimation error, we propose a method to obtain a hyperplane for each point to be estimated by weighting the observed data in the vicinity of the point. In this study, we assume a situation in which a robot moves while measuring the radio wave condition, and estimates the condition in front of the robot using a small number of observation points and measurements along the path that the robot has passed. The experimental evaluation results showed that the accuracy of the estimation from 4 observation points with the proposed method was comparable to the estimation from 24 points. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cyber Physical System / Received Signal Strength / Hyper-plane model / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 407, IN2022-90, pp. 145-150, March 2023. | |
| Paper # | IN2022-90 | |
| Date of Issue | 2023-02-23 (IN) | |
| 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 | IN2022-90 |
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| Conference Information | |
| Committee | IN NS |
| Conference Date | 2023-03-02 - 2023-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Convention Centre + Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2023-03-IN-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Research on estimation of radio wave conditions in indoor WiFi environments using a hyper-plane model |
| Sub Title (in English) | |
| Keyword(1) | Cyber Physical System |
| Keyword(2) | Received Signal Strength |
| Keyword(3) | Hyper-plane model |
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| 1st Author's Name | Hiromu Honda |
| 1st Author's Affiliation | School of Engineering Science, Department of Information and Computer Sciences, Osaka University (Osaka Univ.) |
| 2nd Author's Name | Daiki Kodama |
| 2nd Author's Affiliation | Graduate School of Information Science and Technology, Osaka University (Osaka Univ.) |
| 3rd Author's Name | Techasarntikul Nattaon |
| 3rd Author's Affiliation | Cybermedia Center, Osaka University (Osaka Univ.) |
| 4th Author's Name | Tomoki Yoshihisa |
| 4th Author's Affiliation | Cybermedia Center, Osaka University (Osaka Univ.) |
| 5th Author's Name | Hideyuki Shimonishi |
| 5th Author's Affiliation | Cybermedia Center, Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-03-02 15:30:00 |
| Presentation Time | 20 minutes |
| Registration for | IN |
| Paper # | IN2022-90 |
| Volume (vol) | vol.122 |
| Number (no) | no.407 |
| Page | pp.145-150 |
| #Pages | 6 |
| Date of Issue | 2023-02-23 (IN) |
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