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| Presentation | 2024-07-19 12:35 Monitoring of Electromagnetic field exposure levels in Japan -- Measurement results for 5 years -- Teruo Onishi, Sen Liu, Kaoru Esaki, Tobita Kazuhiro, Ikuyo Miwa, Masao Taki, Soichi Watanabe (NICT)  EMCJ2024-32 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A five-year project of monitoring EMF exposure levels in Japan was conducted. EMF from mobile phone base stations and broadcasting towers were measured both indoors and outdoors using various methods. The exposure levels from the base stations outdoors were confirmed to be low (approximately 1/1000 or less) compared to the radio radiation protection guidelines, although the exposure levels from the base stations have been on an increasing trend compared to approximately 15 years ago. The results of measurements at 5G (FR1/FR2) base stations while downloading data to a terminal showed that the EMF exposure levels were equivalent to or lower than those from 3G/4G base stations. The results showed that EMF from the base stations were less than or equal to those from conventional base stations. On the other hand, it was found that not only the base stations but also wireless LAN were one of the main sources inside residences. Measurements were also taken in school classrooms, and it was found that even when PCs were used in class, the levels were similar to those in residences. Furthermore, measurements were conducted using a car over a total distance of approximately 39,000 km in Japan. The results showed that there is a positive proportional relationship between electric field strength and the power of population density. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Electromagnetic field exposure levels / Monitoring / 5G / Radio radiation protection guideline / Real environment / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 124, no. 116, EMCJ2024-32, pp. 1-6, July 2024. | |
| Paper # | EMCJ2024-32 | |
| Date of Issue | 2024-07-12 (EMCJ) | |
| 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 | EMCJ2024-32 |
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| Conference Information | |
| Committee | EMCJ WPT EMD |
| Conference Date | 2024-07-19 - 2024-07-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2024-07-EMCJ-WPT-EMD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Monitoring of Electromagnetic field exposure levels in Japan |
| Sub Title (in English) | Measurement results for 5 years |
| Keyword(1) | Electromagnetic field exposure levels |
| Keyword(2) | Monitoring |
| Keyword(3) | 5G |
| Keyword(4) | Radio radiation protection guideline |
| Keyword(5) | Real environment |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Teruo Onishi |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Sen Liu |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Kaoru Esaki |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Tobita Kazuhiro |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Ikuyo Miwa |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 6th Author's Name | Masao Taki |
| 6th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 7th Author's Name | Soichi Watanabe |
| 7th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| Speaker | Author-1 |
| Date Time | 2024-07-19 12:35:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2024-32 |
| Volume (vol) | vol.124 |
| Number (no) | no.116 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2024-07-12 (EMCJ) |
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