Dynamic Adjustment Optimisation Algorithm in 3D Directional Sensor Networks Based on Spherical Sector Coverage Models

Table 2

Average node residual energy and coverage ratio values for the three algorithms.

Angle of view,	Random algorithm			Improved VFA			3D-DAOA
	Residual energy	Coverage ratio (%)	Total value	Residual energy	Coverage ratio (%)	Total value	Residual energy	Coverage ratio (%)	Total value
45°	29.71	34	63.71	17.06	43	60.06	24.51	52	76.51
55°	29.35	37	66.35	14.31	48	62.31	22.46	61	83.46
60°	29.17	39	68.17	11.52	53	64.52	20.33	63	83.33