Radio Environment Map Construction by Kriging Algorithm Based on Mobile Crowd Sensing

Table 1

Description of parameters in the equations.

Symbols	Descriptions
	Random variable
	Difference between two neighbor points
	Mathematical expectation
	Variogram function
	Number of pairs of observations
	The separation distance
	Variogram value
	A set representing the area of interest
	Fitting parameters with a strict constraint
	RSS value received from the beacon