A vehicle network is a special control network which uses
advanced sensor technologies, network technologies, computing
technologies, and so forth to realize overall perception
of the road and vehicle driving state, traffic fine
grained control on every road, providing location services
to drivers, and finally the security of road traffic safety
and traffic efficiency [1–3]. Due to the importance of the
space-time reference to the network, the global navigation
satellite system (GNSS) becomes the key component of a
location based services (LBS) vehicle network. Limited by
positioning precision, most current vehicle network systems
can only provide simple services such as macroscopic traffic
communication. However, more intelligent vehicle network
system becomes the new trend with the development of
precise positioning technology, which makes it possible to
monitor the lane-level vehicle behavior and tracking. In fact,
different applications need different positioning precision.
A vehicle network is a special control network which usesadvanced sensor technologies, network technologies, computingtechnologies, and so forth to realize overall perceptionof the road and vehicle driving state, traffic finegrained control on every road, providing location servicesto drivers, and finally the security of road traffic safetyand traffic efficiency [1–3]. Due to the importance of thespace-time reference to the network, the global navigationsatellite system (GNSS) becomes the key component of alocation based services (LBS) vehicle network. Limited bypositioning precision, most current vehicle network systemscan only provide simple services such as macroscopic trafficcommunication. However, more intelligent vehicle networksystem becomes the new trend with the development ofprecise positioning technology, which makes it possible tomonitor the lane-level vehicle behavior and tracking. In fact,different applications need different positioning precision.
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