Research and Implementation of Indoor 3D Positioning Algorithm Based on LED Visible Light Communication and Corresponding Parameter Estimation

Table 2

Positioning system parameters.

Parameter		Numeric value
Indoor environment	Reflection coefficient wall/ceiling/floor	0.66/0.35/0.66
	Room size	5.0 m × 5.0 m × 3.0 m
	Coefficient of refraction	1
Transmitter	LED coordinates	A[1, 1, 3]; B[4, 1, 3]; C[1, 4, 3]; D[4, 4, 3]
	LED transmit power	1 W
	LED half power angle	60°
	Effective area	ldm × ldm
Receiver side	Sensitivity	0.4 A/W
	Receive the viewing angle	70°