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A propagation model for the prediction of indoor radio channel characteristics at millimetre-wave frequencies, based on geometrical optics is described. This model has been shown to agree well with wide-band measurements carried out at Eindhoven University of Technology [8]. Simulation results for 4th and 6th order reflection are compared with corresponding measured data obtained in small and medium size rooms. The influence of objects located inside the room superstructure, on the indoor radio channel characteristics, is analysed. The agreement between measured and simulated results, confirms the validity of the proposed simulation method.

Factors that influence the accuracy of high frequency models for indoor radio propagation at 40–60 GHz are identified and discussed. Simulation results obtained on the basis of Geometrical Optics are presented. The reliability of these results is examined by comparing them with those obtained from empirical measurements.