Apparatus for providing urgent alarm service through broadcast system and method therefor

摘要

The present invention relates to a method for receiving urgent alarm contents through a broadcast system. According to an embodiment of the present invention, a method for receiving urgent alarm contents through a broadcast system includes the steps of: receiving a broadcast signal; parsing an urgent alarm table contained in the broadcast signal, the urgent alarm table containing an urgent alarm message and an urgent alarm contents transmission structure descriptor for signaling the information of the urgent alarm contents concerning the urgent alarm message, and the urgent alarm contents transmission structure descriptor containing the IP address of an IP datagram for transmitting the urgent alarm contents; receiving the IP datagram of the IP address; and decoding the IP datagram so as to reproduce the urgent alarm contents.

主权项

1. An emergency alert content receiving method using a broadcasting system comprising:
receiving a broadcast signal; parsing an emergency alert element contained in the broadcast signal, the emergency alert element comprising an emergency alert message and an emergency alert content structure element for signaling information regarding the emergency alert content related to the emergency alert message, the emergency alert content structure element comprising IP address information for retrieving an IP datagram for transferring the emergency alert content; receiving the IP datagram using the IP address information; and decoding the IP datagram to reproduce the emergency alert content.