Evaluation of the Influence of the Measuring Person on the Assessment of Mobile Radio Exposure With an Isotropic Measurement Probe

An accurate exposure measurement is important to verify compliance with exposure safety limits. The presence of the measuring person can cause reflections on that person, which can affect the measured exposure and lead to misinterpretation of the actual exposure. Therefore, the influence of the measuring person on the exposure measurement with an isotropic probe is evaluated for wireless communication standards GSM, LTE and 5G in the sub-6 GHz frequency range and 5G in frequency range 2. For measurement-based investigation, measurements were carried out with and without a person. The results show an influence of the person on measured field strengths when examining individual measuring points. Usually, the local maximum field strength in a measurement volume is determined for exposure measurements. By comparing the maximum measured field strength of the comparative measurements, smaller influences of the measuring person results, which can nevertheless lead to a false evaluation of the actual exposure.