Numerical dosimetry of human exposure to RF fields in innovative smart vehicle communications

We evaluate the SAR induced by RF exposure in a realistic vehicle-to-vehicle (V2V) communication scenario operated at 5.9 GHz. V2V antennas were modeled and placed on a realistic 3D model of a city-car to numerically estimate the SAR in the body regions and tissues of a human phantom ('Duke') inside the car. We found that both local and whole-body average exposures were well below the ICNIRP limit for the general public in the 100 kHz-6 GHz band. SAR was significant only in the body regions very close to the sources, i.e., limbs, and negligible in the head and torso. Also, SAR was restricted only to the superficial tissues (the skin). The distance of the passenger from the antennas played an important role in the resulting SAR.