Patent ID: 9525921
Filing Date: 2016-12-20
CPC Classification: H04L,H04N

Claim Text:
1. A method of providing an app-based enhancement for a linear service, the method comprising: generating an application table for the app-based enhancement, the application table including plural application elements having information about applications of the app-based enhancement; generating an event table for initiating actions to be taken by the applications, the event table including plural event elements, each of the events elements includes an event identifier for a first event and first time information indicating presentation time for the first event; transmitting the application table and the event table via a specific signaling channel in a broadcast stream; generating an event message for a second event initiating an action, the event message includes an event identifier for the second event and second time information indicating presentation time for the second event; and storing the event message in a live event server; wherein the application table further includes URL information for the live event server; wherein the event table includes a period identifier identifying an interval that the event table pertains to, wherein the first time information in the event table indicates start time of the first event relative to start time of the interval.