Efficient and Adaptive Node Selection for Target Tracking in Wireless Sensor Network

Table 1

Comparison of different approaches of average execution time.

Terms	Sensing ranges
	Sensing range of sensors
	10 m	20 m	40 m	80 m
Average number of nodes within sensing range	4	9	28	76
Average execution time of node selection (s)
Weighted distance	0.535	1.168	3.116	6.389
Closest	0.115	0.492	0.834	2.529
Entropy-based	0.763	2.218	6.273	13.517
EANS	0.563	1.272	3.656	7.395