E-Field Strength Measurements of a 5G Base Station in 28 GHz Band for EMF Exposure Assessment

Authors: Sen Liu, Teruo Onishi, Masao Taki, Miwa Ikuyo, Kazuhiro Tobita, Soichi Watanabe, Yukihisa Suzuki

Year: 2021

Category: Electrical Engineering

Journal: IEEE USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)

Institution: IEEE

DOI: 10.23919/USNC-URSI51813.2021.9703567

URL: https://ieeexplore.ieee.org/document/9703567

Abstract

Abstract Summary

Overview: This study provides preliminary measurements of the electric field (E-field) strengths emitted by a 5G base station operating in the 28 GHz band.

Findings: The analysis covers three different scenarios with the following insights:

  • The time-averaged total E-field strength never exceeds 91 dBμV/m.
  • Instantaneous E-field strength during active data traffic may reach up to 97.74 dBμV/m.
  • The RMS E-field strength during data traffic is only marginally greater by 0.4 dB than without traffic.

Conclusion: Although the field strengths are below the known hazardous limits, the consistent exposure and higher levels during data transmission highlight potential health risks associated with prolonged exposure to 5G EMF emissions.

5G EMF exposure E-field strength 28 GHz band radio science
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