Patent ID: 8547977
Filing Date: 2013-10-01
Classification: H04H,H04L,H04W

Abstract:
1. A method for transmitting a broadcast service in an Internet protocol (IP)-based broadcasting system, the method comprising the steps of: (a) transmitting, by a transmitter, to a receiver a service guide including first access information and second access information via one of an broadcast network and an interaction network, the first access information including a first network address for transmitting a general notification message to the receiver and a first User Datagram Protocol (UDP) port used for transmitting the general notification message, the first network address being included in a service guide delivery descriptor (SGDD), and the second access information including a second network address for transmitting a specific notification message associated with a specific service and a second UDP port used for transmitting the specific notification message, the second network address being included in an access fragment, wherein a general notification message is delivered to every user for general purpose and a specific notification message is transmitted only the users receiving the corresponding service to indicate a change and a start of the service; (b) generating the general notification message and transmitting the generated general notification message to the receiver via one of the broadcast network and the interaction network using the first network information if a general notification event occurs; and (c) generating the specific notification message and transmitting the generated specific notification message to the receiver via one of the broadcast network and the interaction network using the second access information, if a specific notification event occurs, wherein the SGDD provides a pointer to a transport session; and wherein the access fragment provides information on what capabilities are required from the receiver.