Secure Clustering Strategy Based on Improved Particle Swarm Optimization Algorithm in Internet of Things

Table 1

Experimental parameters setting.

Parameter name	Value
Number of nodes	150
Base station location	(50,100)
Network scale	200 m × 200 m
Efs (pJ.(bit⋅m^2)^−1)	10
Emp (pJ.(bit⋅m^4)^−1)	0.002
Eelec (nJ.bit^−1)	60
d0 (m)	70
Maximum number of rounds	2500
The number of iterations of the algorithm	200
Optimal number of clusters	10
Number of particle	20
Data packet length/bit	5000
Control packet length/bit	100
Node initial energy E0 (J)	0.7