Abstract
This paper studies and explores an innovative pattern for a new traffic information system based on Inter-Vehicle Communication Ad Hoc. The main characteristic of this pattern is that the functions for traffic information collection and transmission are realized with the use of the moving vehicle which integrates the average speed of the vehicle on the current road section with the average speed transmitted by other vehicles in the Ad Hoc through inter-vehicle communication and with no need for using fixed facilities for traffic information collection and transmission. The traffic information of the current road section within certain period can be transmitted by the moving vehicles. Because the moving vehicle constantly changes its Ad Hoc network and the vehicles traffic information can be transmitted interactively, the traffic information of every road section can quickly spread through the whole road network. In view of this pattern, this paper establishes relative math models of automatic collection and transmission, based on Ad Hoc, of the traffic information.
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