Diffuse Scattering Directive Model Parameterization Method for Construction Materials at mmWave Frequencies

Table 3

The minimum RMSE comparison between the conventional and proposed methods.

MUT	Conventional tuning method	Multicoefficient method	Enhanced accuracy (%)	Optimal dielectric parameters
				Granite	0.0849	0.0480	43	5.37	0.19
Marble	0.0586	0.0559	5	5.57	0.37