New method to measure 5G radiation from mobile phones and base stations
Exposure to RF-EMF from mobile phone base station increases with increasing population density. A team of researchers from Project GOLIAT has developed and applied a
Quantification of the uncertainty that the fluctuation in 5G signal levels induces in the assessment of electromagnetic fields exposure is provided. The use of broadband field probes for 5G exposure assessment is still possible under certain considerations and correcting the results considering the base station load and beamforming effects.
The authors attribute this increase partly to beamforming, a technique associated with 5G base stations that directs signals more efficiently to the user, leading to higher exposure levels when downloading data. The exposure was overall higher in the two cities likely due to the higher number of 5G base stations.
Spectrum of 5G signals with 0 % (purple), 10 % (yellow), 50 % (green), and 100 % (blue) load. 4. Measurement setup and environment The experimental part of the research consists of a measurement campaign to assess the human exposure to EMF in the surroundings of an active 5G base station.
Fast variation of the user load and beamforming techniques may cause large fluctuations of 5G base stations field level. They may be underestimated, resulting in compliance of base stations not fitting the requirements. Apparently, broadband field meters would not be adequate for measuring such environments.
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