Propagation Analysis for Wireless Sensor Networks Applied to Viticulture

Table 2

Friis free space and plane earth models RMSE with adjusted exponents for type A aisle.

Model, height	Exponent ()	RMSE (dBm)
Friis	1.87	9.35	0.95
Plane earth, 1 meter	3.29	6.96	0.98
Plane earth, 60 cm	3.25	6.95	0.99
Plane earth, 40 cm	3.25	6.28	0.96
Plane earth, 20 cm	3.25	6.68	0.94