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| Presentation | 2019-11-06 11:00 [Poster Presentation] Measurement of environmental radio noise and development of small-sized radio wave monitoring node Satoru Shimizu, Makoto Usui, Susumu Ano, Takuya Kurihara, Kazuto Yano, Yoshinori Suzuki (ATR)  WBS2019-25 ITS2019-16 RCC2019-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the operating frequency of devices has increased, and the housing is made of resin for weight reduction. As a result, EMI(Electromagnetic Interference) may affect communications. In addition, the explosive spread of IoT devices has a great influence on the radio environment. We have engaged in the research and development (R&D) of technology to select the optimal wireless communication system and transmission parameters taking account for radio environment. In the course of that research, we have measured noise and interference that may affect wireless communications, especially in unlicensed bands where IoT devices are often used. This paper reports the results. In order to measure the radio environment easily, we have developed a small-sized radio wave monitoring node “Radio Catcher”. This monitoring node can carry out monitoring of spectrum and spectrogram at the same time with a bandwidth of 100 MHz at a frequency from 400 MHz to 6 GHz. It also can record IQ signals. In addition, by processing the spectrogram statistically for each WiFi channel, the channel occupancy required for this study can be calculated. By replacing the baseband processing FPGA with a new circuit, we plan to add various functions in the future. In this presentation, we give a demonstration of this monitoring node. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Unlicensed Band / Monitoring Node / Frequency Spectrum / Spectrogram / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 270, RCC2019-56, pp. 17-17, Nov. 2019. | |
| Paper # | RCC2019-56 | |
| Date of Issue | 2019-10-30 (WBS, ITS, RCC) | |
| 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 | WBS2019-25 ITS2019-16 RCC2019-56 |
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| Conference Information | |
| Committee | RCC ITS WBS |
| Conference Date | 2019-11-06 - 2019-11-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nara Institute of Science and Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | ITS Communications, Reliable Communication and Control, Radar and Sensing, etc. |
| Paper Information | |
| Registration To | RCC |
| Conference Code | 2019-11-RCC-ITS-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measurement of environmental radio noise and development of small-sized radio wave monitoring node |
| Sub Title (in English) | |
| Keyword(1) | Unlicensed Band |
| Keyword(2) | Monitoring Node |
| Keyword(3) | Frequency Spectrum |
| Keyword(4) | Spectrogram |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Satoru Shimizu |
| 1st Author's Affiliation | ATR (ATR) |
| 2nd Author's Name | Makoto Usui |
| 2nd Author's Affiliation | ATR (ATR) |
| 3rd Author's Name | Susumu Ano |
| 3rd Author's Affiliation | ATR (ATR) |
| 4th Author's Name | Takuya Kurihara |
| 4th Author's Affiliation | ATR (ATR) |
| 5th Author's Name | Kazuto Yano |
| 5th Author's Affiliation | ATR (ATR) |
| 6th Author's Name | Yoshinori Suzuki |
| 6th Author's Affiliation | ATR (ATR) |
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| Speaker | Author-1 |
| Date Time | 2019-11-06 11:00:00 |
| Presentation Time | 75 minutes |
| Registration for | RCC |
| Paper # | WBS2019-25, ITS2019-16, RCC2019-56 |
| Volume (vol) | vol.119 |
| Number (no) | no.268(WBS), no.269(ITS), no.270(RCC) |
| Page | p.17 |
| #Pages | 1 |
| Date of Issue | 2019-10-30 (WBS, ITS, RCC) |
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