| Presentation | 2022-06-10 Outdoor measurement of exposure levels from mobile phone base stations and other sources Teruo Onishi, Kazuhiro Tobita, Masao Taki, Soichi Watanabe, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Outdoor radio wave exposure levels from mobile phone base stations and other sources in metropolitan and suburban areas were measured. As in 2019, a 1 km ? 1 km area was divided into 10 ? 10 grids, and the E-field strength was measured at one point within each grid. Furthermore, the 5G band (FR1), which had not yet started service in the 2019 measurements, was also included in the measurement. The relationship between the measurement height and the E-field was investigated. It was found that the field strength increases with height in all of frequency bands, but tends to be weaker in suburban areas than in metropolitan areas as one gets closer to the ground. As a result, the median E-field strength in the metropolitan area was more than 10 dB higher than the previous results in 2019. The results for the suburban areas were similar to the previous measurements in 2019. It is found that E-field strength in the 5G band was observed in metropolitan area, but was below the noise level of the measurement system in suburban area The E-field strength of 5G mobile system in median value was about 20 dB lower than that of non-5G mobile systems. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Mobile base stations / 5G / RF Exposure level / Electric field strength / Outdoor environment / Height pattern / Radio protection guideline |
| Paper # | EMCJ2022-21 |
| Date of Issue | 2022-06-03 (EMCJ) |
| Conference Information | |
| Committee | EMCJ |
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| Conference Date | 2022/6/10(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Atsuhiro Nishikata(Tokyo Inst. of Tech.) |
| Vice Chair | Kimihiro Tajima(NTT-AT) |
| Secretary | Kimihiro Tajima(NAIST) |
| Assistant | Kiyoto Matsushima(Hitachi) / Hiroyoshi Shida(EMC Tech.) / Toru Matsushima(Kyushu Inst. of Tech.) |
| Paper Information | |
| Registration To | Technical Committee on Electromagnetic Compatibility |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Outdoor measurement of exposure levels from mobile phone base stations and other sources |
| Sub Title (in English) | |
| Keyword(1) | Mobile base stations |
| Keyword(2) | 5G |
| Keyword(3) | RF Exposure level |
| Keyword(4) | Electric field strength |
| Keyword(5) | Outdoor environment |
| Keyword(6) | Height pattern |
| Keyword(7) | Radio protection guideline |
| 1st Author's Name | Teruo Onishi |
| 1st Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 2nd Author's Name | Kazuhiro Tobita |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 3rd Author's Name | Masao Taki |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 4th Author's Name | Soichi Watanabe |
| 4th Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| Date | 2022-06-10 |
| Paper # | EMCJ2022-21 |
| Volume (vol) | vol.122 |
| Number (no) | EMCJ-67 |
| Page | pp.pp.34-38(EMCJ), |
| #Pages | 5 |
| Date of Issue | 2022-06-03 (EMCJ) |