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

Table 5

Path loss statistical error indicators when UAV trajectory is at 5 m altitudes.

Models	Napier scenario			Ruzi scenario
	MAE	RMSE	R^2	MAE	RMSE	R^2
GUT-R	20.122	21.634	0.267	29.124	32.523	0.121
SVR	2.125	4.782	0.933	2.112	4.682	0.935
ANN	2.025	4.439	0.950	2.016	4.407	0.954