Science & Engineering Research Support soCiety (SERSC)
As GPS technology has been developed with other mobile communications, GPS function is essentially loaded on mobile devices including Smartphone and tablet PC. Thus, users can exchange information based on the current location of the GPS through the application service such as path-finding and current velocity. However, since it is difficult to identify accurate means of transportation of a user, there is limitation on providing high-quality service and information. For instance, it causes unnecessary data consumption that providing unnecessary traffic information to a user walking or riding city rails.