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METHOD FOR OBTAINING TRAFFIC INFORMATION BY USING ACCOUNTING INFORMATION OF A MOBILE TERMINAL, SPECIFICALLY WITH REGARDS TO OBTAINING AN INTRINSIC NUMBER OF THE MOBILE TERMINAL, AND TRACKING A MOBILE TIME OF THE TERMINAL BETWEEN BASE STATIONS
METHOD FOR OBTAINING TRAFFIC INFORMATION BY USING ACCOUNTING INFORMATION OF A MOBILE TERMINAL, SPECIFICALLY WITH REGARDS TO OBTAINING AN INTRINSIC NUMBER OF THE MOBILE TERMINAL, AND TRACKING A MOBILE TIME OF THE TERMINAL BETWEEN BASE STATIONS
PURPOSE: A method for obtaining traffic information by using accounting information of a mobile terminal is provided to obtain an intrinsic number of a mobile terminal from accounting information, and to track a mobile time of the terminal between base stations, thereby exactly perceiving traffic information on the freeway. CONSTITUTION: The first base station extracts the number of standard individuals of a mobile terminal more than reference individuals(S51,S52). A system tracks a mobile path and a mobile time between base stations through the increased standard individuals, and calculates an average speed(S53). If a speed deflection of the corresponding standard individuals is produced by more than 10%, the system removes the individuals to complete the tracking process(S54,S55). If a car is out of a tollgate area(S56), the system maintains the increased standard individuals as reference individuals(S57). If the number of the standard individuals is bigger than the reference individuals, the system forcibly removes the increased standard individuals to maintain the standard individuals as many as the reference individuals(S58,S59,S60).
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