Patent ID: 9253546
Filing Date: 2016-02-02
CPC Classification: H04H,H04N

Claim Text:
1. A method of transmitting non-real time (NRT) service, the method comprising: generating internet protocol (IP) datagrams including the NRT service that is delivered in advance of its use and stored in a receiving device, and signaling data including a service description containing service-level attributes for the NRT service and a service guide (SG) containing a content fragment announcing the NRT service; and transmitting a broadcast signal including the generated IP datagrams, wherein the NRT service is associated with one or more content items, each of which consists of one or more files being delivered via a Layered Coding Transport (LCT) sessions, wherein both the content items and the files are linked by matching values of first linkage elements defined for the files in a File Delivery Table (FDT) with values of second linkage elements in the content fragment of the SG, and wherein each of the LCT sessions includes one or more channels.