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This work investigates the propagation characteristics of an office building in the 60 GHz band. From reflection and scattering measurements of several painted and un-painted common building materials recorded at 60 GHz, the complex permittivity and Lambert's Law scattering coefficient of each material are extracted. Diffraction measurements from two building corners at 60 GHz are also presented and analyzed. Lastly, power angular profiles of building penetration and scattering at 60 GHz are presented and used to characterize the outdoor to indoor propagation, and the significant scatterers on a building surface, respectively.
Lu et al. (Tue,) studied this question.