Wireless power transmission system

The present disclosure concerns a wireless power transmission system, comprising a primary unit including a primary pad for wireless power transmission and a primary wireless communication unit; a secondary unit including a secondary pad for wireless power reception and a secondary wireless communication unit; and a control unit; wherein the primary pad and the secondary pad are configured to wirelessly transfer power via inductive coupling, wherein the primary and secondary wireless communication units are configured to transmit and receive a communication signal, and wherein the control unit is configured to detect a relative position of the primary wireless communication unit and the secondary wireless communication unit using the communication signal.