SCHEME FOR Communication AND transmitting discovery signal in MOBILE COMMUNICATION SYSTEM

The present disclosure is a communication method of the first communication device in a mobile communication system, the operation for determining whether or not the close-up and a second communication apparatus through a close range communications link; The first long-distance communication links, and operation of either the enable (enable) of the short-range communication link with the second communication device and the on the basis of whether the neighboring network is determined; And it provides a method which is characterized in that it comprises the operation of receiving data from the network via the enabled communication link.