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Prediction of 28 GHz Propagation Characteristics in an Indoor Office Environment Based on Large-scale Computer Simulations

This paper predicts 28 GHz millimeter-wave propagation characteristics in an indoor office environment using large-scale numerical simulations based on the FDTD technique. Analyzing the path loss model parameters, it is confirmed that many reflections from the walls and furniture appear in the indoor environment. Additionally, comparing the electric field distributions with the path loss characteristics in some areas of the room, it is shown that the both agree mostly with each other although the unique distributions of electric field differing from the path loss model are caused by the interactions between the direct wave and the multipath waves in the limited areas near the TX antenna, the walls and furniture.