CARTIM performs an assessment to identify the most
suitable vehicle to forward the unicast message to at each
hop. Figure 2 (a) illustrates a scenario in which vehicle 8
is the farthest from vehicle 1, considering the communication
radius (r). This vehicle, however, is not regarded as being
the ideal vehicle to relay CTE messages. Vehicle 6, which
is considered ideal, is selected by CARTIM using equation
(1), which dynamically calculates the optimal relaying distance
(). This distance, shown in Figure 2 (b), obtained in meters
(unit used in the simulation), is calculated by subtracting the
size of the transmission range (r) of vehicles, the ratio between
the maximum speed (S) allowed on the road (m/s) and the
transmission frequency (f) of beacon messages.
CARTIM performs an assessment to identify the mostsuitable vehicle to forward the unicast message to at eachhop. Figure 2 (a) illustrates a scenario in which vehicle 8is the farthest from vehicle 1, considering the communicationradius (r). This vehicle, however, is not regarded as beingthe ideal vehicle to relay CTE messages. Vehicle 6, whichis considered ideal, is selected by CARTIM using equation(1), which dynamically calculates the optimal relaying distance(). This distance, shown in Figure 2 (b), obtained in meters(unit used in the simulation), is calculated by subtracting thesize of the transmission range (r) of vehicles, the ratio betweenthe maximum speed (S) allowed on the road (m/s) and thetransmission frequency (f) of beacon messages.
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