Investigation of the Impact of Height Scans in Fully Anechoic Rooms on Detection of Maximal Radiated Field Strength Using Monte Carlo Simulation

In CISPR 16-2-3, a fixed height of the receiving antenna for radiated emission measurements above 1 GHz with floor absorbers is specified. In a current issue, the impact of an additional vertical movement of the measurement antenna to increase the probability of capturing the maximum radiated field is discussed to possibly allow a relaxation of the limit of emitted field strengths. In CISPR 32, a height variation from 1 m to 4 m is stated to allow for a relaxation by 4 dB which is to be questioned. In this work, a statistical radiator model, which generates random and frequency dependent radiation patterns, is used for a Monte Carlo simulation of the measurement process to add Quantitative data and results to the discussion.