Patent ID: 9571883
Date: 2017-02-14
CPC Classifications: H04N

Claim:
1. A method of transmitting a broadcast signal for a Non-Real Time (NRT) service, the method comprising: generating the broadcast signal including the NRT service that is delivered in advance of its use and stored in a receiving device, and signaling data including an NRT Information Table (NRT-IT) describing one or more content items available for download to storage in the receiving device, wherein the signaling data further includes a Service Map Table (SMT) containing service-level attributes for the NRT service, wherein the SMT includes information used as a linkage to the NRT-IT; and transmitting the broadcast signal including the NRT service, and the signaling data wherein the NRT services are delivered within IP subnets, the IP subnets associated with a virtual channel are identified by references in a Virtual Channel Table (VCT) and an associated Program Map Table (PMT), wherein the SMT or the NRT-IT includes a receiver targeting descriptor, and wherein the receiver targeting descriptor includes targeting_value field containing a targeting value of any one of geographical location, alphanumeric postal code and demographic category, and targeting_criterion_type_code field specfying a type of value contained in the targeting_value field.