| Presentation | 2023-03-02 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, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Cyber Physical System / Received Signal Strength / Hyper-plane model |
| Paper # | IN2022-90 |
| Date of Issue | 2023-02-23 (IN) |
| Conference Information | |
| Committee | IN / NS |
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| Conference Date | 2023/3/2(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Convention Centre + Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Chair | Kunio Hato(Internet Multifeed) / Tetsuya Oishi(NTT) |
| Vice Chair | Tsutomu Murase(Nagoya Univ.) / Takumi Miyoshi(Shibaura Insti of Tech.) |
| Secretary | Tsutomu Murase(KDDI Research) / Takumi Miyoshi(Nagaoka Univ. of Tech.) |
| Assistant | / Kotaro Mihara(NTT) |
| Paper Information | |
| Registration To | Technical Committee on Information Networks / Technical Committee on Network Systems |
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| Language | JPN |
| 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 |
| 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.) |
| Date | 2023-03-02 |
| Paper # | IN2022-90 |
| Volume (vol) | vol.122 |
| Number (no) | IN-407 |
| Page | pp.pp.145-150(IN), |
| #Pages | 6 |
| Date of Issue | 2023-02-23 (IN) |