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Paper Abstract and Keywords
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
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF WBS2019-25 ITS2019-16 RCC2019-56

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  
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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
Date Time 2019-11-06 11:00:00 
Presentation Time 75 
Registration for RCC 
Paper # IEICE-WBS2019-25,IEICE-ITS2019-16,IEICE-RCC2019-56 
Volume (vol) IEICE-119 
Number (no) no.268(WBS), no.269(ITS), no.270(RCC) 
Page p.17 
#Pages IEICE-1 
Date of Issue IEICE-WBS-2019-10-30,IEICE-ITS-2019-10-30,IEICE-RCC-2019-10-30 


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