Human exposure to cellular base station antennas

The human exposure to RF power radiated by cellular base station antennas can be assessed by means of the incident power density averaged over the body. The convenience of adopting this quantity lies in its well-behaved decay away from the antenna. As a consequence, the average power density decay can be predicted using simple formulas, which remain valid even in the near-field of the antenna, where the spatial distribution of the power density is highly non-uniform. The average power density is shown to have a marked cylindrical character in the vicinity of the antenna, which gradually converts into the spherical far-field behavior.