Disclosed herein is a method of transmitting a broadcasting signal. The method comprises formatting input streams into at least one data transmission channel, encoding data corresponding to each of data transmission channel carrying service data or service component data, building at least one signal frame comprising the encoded data, modulating the at least one signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and transmitting a broadcasting signal comprising the at least one modulated signal frame.