A position sencing apparatus for train using wireless comunication and system for controlling safe-running of train using the same

Ground Information ground information providing unit for providing a train is installed in the ground station to track the ground information including position information, it is installed in a train station of the line through wireless communication with a ground information providing along a train track the ground information acquisition unit for acquiring surface information from the study, received and installed on the train through the transmitting / receiving unit, and, a transmission / reception unit for receiving location information of a preceding train through the communication network, and transmits the position information obtained from the surface information acquisition unit the leading train position information and the ground information obtaining part train location using a wireless communication, comprising: an output section for outputting the position information of the received train with the detection device and the train control system is safe driving post.