METHOD AND APPARATUS FOR TRANSMITTING BROADCAST DATA AND METHOD AND APPARATUS FOR RECEIVING BROADCAST DATA

摘要

PURPOSE: A broadcast data transmission method, a broadcast data transmission device, a broadcast data reception method, and a broadcast data reception device are provided to perform operations when a broadcast data reception device is initially operated, a reception location is changed, the version of service composition information is changed or the broadcast data reception device is initialized. CONSTITUTION: A broadcast data reception method comprises the following steps: a step of obtaining a first signaling information which directs an ensemble through which composition information of a broadcast service(S1810); a step of obtaining the service composition information based on the first signaling information(S1820); a step of providing the broadcast service based on the service composition information and the first signaling information(S1830).