Disclosed in the present application is a method for transmitting a discovery signal by a relay node in a next generation wireless communication system. Particularly, the method comprises the steps of: receiving, from a network, information about a number of transmission opportunities of a discovery signal and a number of transmissions of the discovery signal in a transmission opportunity of the discovery signal; generating pattern information for transmitting the discovery signal, by using the number of transmission opportunities and the number of transmissions; and transmitting the discovery signal in the transmission opportunity indicated by the transmission of the discovery signal in the pattern information.