Test Reduction for Power Density Emitted by Handset mmWave Antenna Arrays

The exposure to electromagnetic field (EMF) from phased antenna arrays integrated into wireless devices operating at the millimeter-wave (mmWave) part of spectrum should be evaluated in terms power density (PD). Two aspects related test reduction when evaluating radiation handset are considered. First, peak PD decay with distance 4-elements is analyzed. focus on finding size volume around beyond which so low that its measurement can omitted. By limiting measurements inside exposed volume, total time reduced. Antenna configurations representative for current trends technology chosen: half-wavelength dipoles and patches 26 GHz, 28 39 having inter-element spacing either 0.5? or 0.9?. second investigation aims determine critical between two operate simultaneously similar only one array operates time. study shows number tests reduced while sufficiently accurate results.