
354 ◾ Mobile Ad Hoc Networks: Current Status and Future Trends
e former is important because it shows how many vehicles can hear a vehicle in the safety appli-
cations and can have data exchange in the comfort applications. e latter metric is important
because a larger connectivity distance leads to a larger announcement area for the safety appli-
cations and better accessibility to roadside equipment (e.g., Internet gateways) for the comfort
applications.
In [58] it is proved that in the free-flow traffic phase, the distribution of intervehicle dis-
tance is exponential where its rate can be mapped to the traffic flow parameter (in the traffic
theor ...