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This paper discussed a kind of design of vehicle location system based on ARM. The architecture and working theory of this system is introduced in details, and introduces the vehicle location system which uses the ARM microprocessors LPC2129 as a control unit to combinative with GPS LR9548 and GSM TC35 modules. Explores location solution, map-matching and data compress that associates with the positioning, shows a program flowchart and predicts the trend of the vehicle location system in the future. This paper presents that while the authors send a predefined message to hardware kit which is placed in the vehicle, it replies to the same number by sending a message which contains the vehicle longitude and latitude details of the vehicles.
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