US Patent 10471932 Apparatus and method for detecting position

A position detecting apparatus includes: a communicator performing pairing with a user terminal and transmitting a first signal including authentication information to the paired user terminal; a signal output device outputting a second signal generated based on the authentication information to an inside of a vehicle; and a vehicle controller generating the first signal and the second signal after the pairing with the user terminal is completed, and when a device authentication result is received from the user terminal based on the first signal and the second signal, detecting a position of the user terminal based on the received device authentication result.