Abstract
A design scheme of combine dynamic vehicle navigation terminal based on GPS/GPRS is presented, according to some shortcomings about real-time and the digital map data updating in existing vehicle navigation terminal. The paper focuses on the basic working principle and software flow of work of the CPU core board and the main functional modules. Established TCP/IP communication mode based on GPRS and used data monitoring server, to realize the accurate prediction of traffic flow information. The design of the Vehicle navigation terminal provides an important prerequisite for realizing the urban traffic vehicle global optimization and dynamic navigation.
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