Trajectory-Based Hierarchical Adaptive Forwarding in Vehicular Ad Hoc Networks

Table 1

Communication radius	200 m (0.12 miles)
Vehicle flow rate	The number of the vehicles within the specified range. The default value is 100
Vehicle velocity	Vehicle velocity, ,   is the average velocity, the maximum velocity is , the minimum velocity is , and the default velocity is MPH.
The reliability rate of the user’s request ()	The reliability rate of the user’s request (), the default rate is 0.9
(Time-to-Live)	The vehicle’s travel time for the trajectory, the default TTL value is 1000 s
Vehicle transmission path length	,   is the distance from node to node is the additional road distance, ,   is , is , and the default value is 3 km (1.86 miles)