Patent ID: 9693113
Date: 2017-06-27
CPC Classifications: H04N

Claim:
1. A method of transmitting a non-real time service, the method comprising: generating, by a generator, a broadcast signal which carries internet protocol (IP) datagrams, the IP datagrams containing the non-real time service that is delivered in advance of its use and stored in a receiving device, first signaling data which includes service category information identifying the non-real time service, and second signaling data; and transmitting, by a transmitter, the broadcast signal, wherein the non-real time service is associated with one or more content items, each of which consists of one or more files, the one or more files being delivered based on LCT protocol, wherein each of the delivery sessions includes one or more LCT channels, wherein all of the LCT channels in each of the delivery sessions have a same IP address and numbered user datagram protocol (UDP) ports signaled in the second signaling data, and wherein the first signaling data includes information for acquiring service guide information, the service guide information announcing content and service being delivered.