
Vehicular Ad Hoc Networks: Current Issues and Future Challenges ◾ 339
at least be able to make use of plenty of well-known traffic movement pattern generators (see some
instances later in this section). Second, in many VANET scenarios the communication between
vehicles may affect vehicle’s mobility and vice versa. For example, a driver who is informed of a
congested junction (through an alarm message) may decide to change his or her path and use an
alternative path; thus, delivery of the message causes the change of the vehicle’s movement pattern.
On the contrary, the change of the vehicle’s movement pattern affects road density and message
di ...