Speaker
Description
In order to clarify the radio frequency electromagnetic field (RF-EMF) exposure level related to human protection in the real environment, the NICT has conducted measurements in Japan using various measurement methods since 2019. As one of our research activities, we had measured the RF-EMF levels from the mobile phone base station in 2019 at the same places as the past measurements in 2006 and compared. It was confirmed that the RF-EMF exposure levels from mobile phone base stations are about three times higher than those of the past measurements taken about 10 years before in both urban and suburban areas; however, those were sufficiently low against the Japanese radio radiation protection guidelines with approximately 1/1000 or less. On the other hand, these measurements were done before the start of commercial services of the 5th Generation mobile phone system (5G). In this study, RF-EMF levels were measured at the same place to analyse time trend considering impact of the 5G service.
