EAN: 9783319255057

SPRINGERBRIEFS IN ELECTRICAL AND COMPUTER ENGIN...

This brief presents a stochastic microscopic mobility model that describes the temporal changes
of intervehicle distances. The model is consistent with simulated and empirical vehicle traffic
patterns. Using stochastic lumpability methods  the proposed mobility model is mapped into an
aggregated mobility model that describes the mobility of a group of vehicles. In addition  the
proposed mobility model is used to analyze the spatiotemporal VANET topology. Two metrics are
proposed to characterize the impact of vehicle mobility on VANET topology: the time period
between successive changes in communication link state (connection and disconnection) and the
time period between successive changes in node's one-hop neighborhood. Using the proposed
lumped group mobility model  the two VANET topology metrics are probabilistically characterized
for different vehicular traffic flow conditions. Furthermore  the limiting behavior of a system
of two-hop vehicles and the overlap-state of their coverage ranges is modeled  and the
steady-state number of common vehicle neighbors between the two vehicles is approximately
derived. The proposed mobility model will facilitate mathematical analysis in VANETs. The
spatiotemporal VANET topology analysis provides a useful tool for the development of
mobility-aware vehicular network protocols. Mobility Modeling for Vehicular Communication
Networks is designed for researchers  developers  and professionals involved with vehicular
communications. It is also suitable for advanced-level students interested in communications 
transport infrastructure  and infotainment applications.

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