Propagation loss within buildings

Along the last years, an increasing demand for mobile radio systems operating within buildings has been observed. Considering the complex structure of a building, an important problem for planning such systems is the prediction of propagation loss. An empirical prediction model to be used in the frequency range from 0.8 to 2.0 GHz is proposed in this paper. The basic parameters of this model were fixed in using a reasonable large data bank established from measurements published in the open literature. The model is quite simple and, in spite of its limitations, appears to be a powerful tool for planning indoor systems.