Fig. 11: Evaluation of the generalization capability of the parameterized BK model under different incidence angles.
The figure compares the measured and predicted received power for the marble wall and the smooth wall at frequencies of 8 GHz and 12 GHz. The model predictions for incidence angles of 40°, 50°, and 60° utilize parameters fitted exclusively from data collected at a 30° incidence angle. Solid and hatched blue bars represent the measured power at the receiver angle of 0° and the specular reflection direction, respectively. Solid and dashed pink outlines denote the corresponding predicted power values generated by the model.
