Path Loss Characterization Using Machine Learning Models for GS-to-UAV-Enabled Communication in Smart Farming Scenarios

Table 4

Path loss statistical error indicators when UAV trajectory is at 2 m altitudes.

Models	Napier scenario			Ruzi scenario
	MAE	RMSE	R^2	MAE	RMSE	R^2
GUT-R	12.214	14.334	0.367	12.142	14.243	0.321
SVR	1.252	3.067	0.972	1.202	2.962	0.965
ANN	1.150	2.502	0.981	1.146	2.507	0.983