Table 1.

Simulation parameters.

Parameters	Values
Simulator	OPNET 18.0
Network size	6000 × 6000 m
Simulation time	200 s
Number of nodes	30 (including 1 gateway)
Number of malicious nodes	0-4
Attack model	Gray-hole or smart gray-hole
Gray-hole attack ratio	10–90%
Traffic type	Lighting sensor (100 bytes)
	Chemical and biological sensors (120 bytes)
	Video surveillance H.264 (500 bytes)
Packet generation rate	110 Kbps
Threshold weight ($\alpha$)	0.5
Time Window (t)	2 s