Cluster-Based Routing Schema Using Harris Hawks Optimization in the Vehicular Ad Hoc Networks

Table 2

Variable description.

Variable name	Definitions
	The speed of a vehicle
	The relative velocity with angle ɵ
	The amount of reliability for a given link is calculated according to Equation (3)
	The distance between two vehicles at the same speed and its calculation will be in Equation (1)
	Number of intracluster nodes of each cluster
	Number of clusters
	Distance between the th vehicle node and the th CH
	Vehicle’s fitness function
	Size of population
	Location vector hawks
	Random vector
	Random number
	Initial escape energy
	Escape energy
	Next to running step
	Levy flight
MI	Maximum number of iterations
	Packets received by node
	Sent packets by node
	Size of data packets
	Simulation stop time
	Simulation start time
	Number of executions