A method of an intermediate node for relaying communication between a base station and a terminal may comprise: receiving, from the base station, first control information including on/off indication; and determining whether to relay the communication between the base station and the terminal according to the on/off indication, wherein when the on/off indication indicates ‘on’, the communication between the base station and the terminal is relayed, and when the on/off indication indicates ‘off’, the communication between the base station and the terminal is not relayed.