The present invention relates to a kind of extraction effective samples, and equipment and system thus is for organizing into groups fleet information. According to the present invention, even if the system more accurately in complicated city sphere can be mixed with mobile terminal by sample, vehicle and pedestrian resident is that effective sample uses mobile communications network by calculating mobile terminal device by borderline region specific surface area, and acquire real time traffic data and calculated based on position data and mark electric current effective sample is stayed by location tracking, so that improving its reliability moving speed calculates city sphere. ;The 2015 of copyright KIPO submissions
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