A Novel 60 GHz Spatial Synthetic Exposure Set-up for the Study of Thermal Perception Thresholds for Biological Effects of 5G and Beyond Wireless Systems

In order to investigate thermal thresholds of biological effects of humans exposed to millimeter waves (MMW), A novel 60 GHz band exposure set-up has been newly developed. To achieve high duty exposure to the desired spot area on human skin at 60 GHz, the authors proposed a spatial synthetic exposure set-up consists of dielectric lens antennas. We applied orthogonalizing polarized feeding structure to eliminate interference fringes due to the combined two-directional beam radiations. Then, the developed set-up enabled efficient and desired exposure control for the experiment to explore the biological effects of local exposure to MMWs on human volunteers.