Method and apparatus for transmitting broadcast data, and method and apparatus for receiving broadcast data

1. A broadcast data transmission method comprising:

generating service composition information of a broadcasting service to be provided using at least one broadcast packet transmitted through at least one frequency channel;

generating first signaling information indicating an ensemble in which the service composition information is to be transmitted; and

transmitting the at least one broadcast packet, the service composition information, and the first signaling information,

wherein the service composition information comprises at least one selected from a group consisting of a service identifier for the broadcasting service, genre information representing a genre of the broadcasting service, and information about a provider of the broadcasting service.

2. The method of claim 1 , further comprising generating second signaling information for each ensemble, the second signaling information including information for processing the at least one broadcast packet to be transmitted in each ensemble,

wherein the transmitting further comprises transmitting the second signaling information in each ensemble.

3. The method of claim 1 , wherein the first signaling information comprises mapping information between the broadcasting service and the ensemble in which the at least one broadcast packet providing the broadcasting service is to be transmitted.

4. The method of claim 1 , wherein the first signaling information comprises version information of the service composition information.

5. The method of claim 1 , wherein the transmitting comprises transmitting the service composition information in an ensemble indicated by the first signaling information and transmitting the first signaling information through a fast information channel.

6. A broadcast data transmission method comprising:

acquiring urgent information which is prioritized to be received by a broadcast data receiving apparatus;

generating signaling information including information for processing a broadcast packet providing a broadcasting service and the urgent information; and

transmitting the signaling information through a fast information channel (FIC),

wherein the urgent information comprises location information of an ensemble in which detailed description information about the urgent information is transmitted.

7. The method of claim 6 , wherein the urgent information further comprises at least one selected from a group consisting of accident status information, weather information, and information about decoding of the broadcast packet.

8. The method of claim 6 , wherein the urgent information further comprises at least one selected from a group consisting of type information representing a type of the urgent information, and short description information about the urgent information.

9. A broadcast data receiving method comprising:

acquiring first signaling information indicating an ensemble in which service composition information of a broadcasting service is transmitted;

acquiring the service composition information based on the first signaling information; and

providing the broadcasting service based on the service composition information and the first signaling information,

wherein the service composition information is information on a composition of the broadcasting service to be provided using a broadcast packet transmitted through at least one frequency channel, and

the service composition information comprises at least one selected from a group consisting of a service identifier for the broadcasting service, genre information representing a genre of the broadcasting service, and information about a provider of the broadcasting service.

10. The method of claim 9 , wherein the providing the broadcasting service comprises:

creating a list of broadcast services to be provided based on the service composition information;

controlling displaying of the list of broadcasting services; and

if one of the broadcasting services in the list is selected, accessing an ensemble in which a broadcast packet providing the selected broadcasting service is transmitted.

11. The method of claim 10 , wherein the providing of the broadcasting service further comprises:

acquiring second signaling information from each ensemble, the second signaling information including information for processing the broadcast packet providing the selected broadcasting service; and

processing the broadcast packet providing the selected broadcasting service using the second signaling information.

12. The method of claim 9 , further comprising:

storing at least one selected from a group consisting of the service composition information and the first signaling information; and

creating a list of broadcasting services to be provided based on the at least one selected from a group consisting of the service composition information and the first signaling information.

13. The method of claim 9 , wherein the first signaling information further comprises mapping information between the broadcasting service and an ensemble in which the broadcast packet providing the broadcasting service is transmitted.

14. The method of claim 9 , wherein the first signaling information further comprises version information of the service composition information.

15. The method of claim 9 , wherein the acquiring the first signaling information comprises acquiring the first signaling information through a fast information channel.

16. A broadcast data receiving method comprising:

receiving signaling information including information necessary for processing a broadcast packet providing a broadcasting service and urgent information from a fast information channel; and

acquiring the urgent information based on the signaling information,

wherein the urgent information comprises location information of an ensemble in which detailed description information about the urgent information is transmitted.

17. The method of claim 16 , wherein the urgent information further comprises at least one selected from a group consisting of accident status information, weather information, and information on decoding the broadcast packet.

18. The method of claim 16 , wherein the urgent information further comprises at least one selected from a group consisting of type information representing a type of the urgent information, and short description information about the urgent information.

19. The method of claim 16 , wherein the location information of the ensemble is transmitted in an ensemble_id field in the signaling information.

20. The method of claim 16 , further comprising prioritizing outputting of the received urgent information.

21. The method of claim 20 , wherein the outputting comprises:

stopping provision of a current broadcasting service and storing process information regarding processing of the current broadcasting service;

outputting the urgent information; and

if an urgent situation corresponding to the urgent information terminates or if a termination request is received, resuming the suspended broadcasting service using the stored process information.

22. A broadcast data transmission apparatus comprising:

a service composition information generation unit which generates service composition information of a broadcasting service to be provided using a broadcast packet transmitted through at least one frequency channel;

a signaling information generation unit which generates first signaling information indicating an ensemble in which the service composition information is to be transmitted; and

a transmission unit which transmits the broadcast packet, the service composition information, and the first signaling information,

wherein the service composition information comprises at least one selected from a group consisting of a service identifier for the broadcasting service, genre information representing a genre of the broadcasting service, and information about a provider of the broadcasting service.

23. A broadcast data transmission apparatus comprising:

an information acquisition unit which acquires urgent information that is prioritized to be received by a broadcast data receiving apparatus;

an information generation unit which generates signaling information including information for processing a broadcast packet providing a broadcasting service and including the urgent information; and

a transmission unit which transmits the signaling information through a fast information channel,

wherein the urgent information comprises location information of an ensemble in which detailed description information about the urgent information is transmitted.

24. A broadcast data receiving apparatus comprising:

a signaling information acquisition unit which acquires first signaling information indicating an ensemble in which service composition information of a broadcasting service is transmitted;

a service composition information acquisition unit which acquires the service composition information based on the first signaling information; and

a service providing unit which provides the broadcasting service based on the service composition information and the first signaling information,

wherein the broadcasting service is provided using a broadcast packet transmitted through at least one frequency channel, and

the service composition information comprises at least one selected from a group consisting of a service identifier for the broadcasting service, genre information representing a genre of the broadcasting service, and information about a provider of the broadcasting service.

25. A broadcast data receiving apparatus comprising:

a signaling information reception unit which receives signaling information including information for processing a broadcast packet providing a broadcasting service and urgent information from a fast information channel (FIC); and

an urgent information acquisition unit which acquires the urgent information based on the signaling information,

wherein the urgent information comprises location information of an ensemble in which detailed description information about the urgent information is transmitted.

26. A non-transitory computer readable recording medium having recorded thereon a computer program which, when executed by a computer, causes the computer to execute a broadcast data transmission method comprising:

generating service composition information of a broadcasting service to be provided using at least one broadcast packet transmitted through at least one frequency channel;

generating first signaling information indicating an ensemble in which the service composition information is to be transmitted; and

transmitting the at least one broadcast packet, the service composition information, and the first signaling information,

wherein the service composition information comprises at least one selected from a group consisting of a service identifier for the broadcasting service, genre information representing a genre of the broadcasting service, and information about a provider of the broadcasting service.

27. A non-transitory computer readable recording medium having recorded thereon a computer program which, when executed by a computer, causes the computer to execute a broadcast data transmission method comprising:

acquiring urgent information which is prioritized;

generating signaling information including information for processing a broadcast packet providing a broadcasting service and the urgent information; and

transmitting the signaling information through a fast information channel (FIC),

wherein the urgent information comprises location information of an ensemble in which detailed description information about the urgent information is transmitted.

28. A non-transitory computer readable recording medium having recorded thereon a computer program which, when executed by a computer, causes the computer to execute a broadcast data receiving method comprising:

acquiring first signaling information indicating an ensemble in which service composition information of a broadcasting service is transmitted;

acquiring the service composition information based on the first signaling information; and

providing the broadcasting service based on the service composition information and the first signaling information,

wherein the service composition information is information on a composition of the broadcasting service to be provided using a broadcast packet transmitted through at least one frequency channel, and

the service composition information comprises at least one selected from a group consisting of a service identifier for the broadcasting service, genre information representing a genre of the broadcasting service, and information about a provider of the broadcasting service.

29. A non-transitory computer readable recording medium having recorded thereon a computer program which, when executed by a computer, causes the computer to execute a broadcast data receiving method comprising:

receiving signaling information including information for processing a broadcast packet providing a broadcasting service and urgent information from a fast information channel; and

acquiring the urgent information based on the signaling information,

wherein the urgent information comprises location information of an ensemble in which detailed description information about the urgent information is transmitted.

30. The method of claim 1 , wherein the first signaling information comprises an identification number of the ensemble in which the service composition information is transmitted.

31. The method of claim 30 , wherein the identification number of the ensemble is transmitted in an ensemble_id field in the first signaling information.