Broadcast signal transmission apparatus, broadcast signal reception apparatus, broadcast signal transmission method, and broadcast signal reception method

Abstract

The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system which may support a next generation broadcast service, in an environment supporting next generation hybrid broadcast that uses a terrestrial broadcast network and an internet network. Further, the present invention proposes an efficient signaling method which can cover both the terrestrial broadcast network and the internet network, in an environment supporting next generation hybrid broadcast.

1 - 20 . (canceled) 
     
     
         21 . A method of processing data in a transmitting system, the method comprising:
 encoding service data of a service delivered through one of a real time object delivery over unidirectional transport (ROUTE) session or a MPEG media transport protocol (MMTP) session;   mapping the encoded service data by a Non Uniform Constellation (NUC);   encoding first signaling data for fast channel scans and service acquisition, wherein the first signaling data includes access information for obtaining second signaling data, service identification information for identifying the service, channel information of the service, and name information of the service, and wherein the second signaling data provides information for discovery and acquisition of the service; and   transmitting a broadcast signal including one or more frames that include the mapped service data, the encoded first signaling data, and physical layer signaling data through a broadcast network,   wherein the second signaling data is transmitted through one of the broadcast network or a broadband network,   wherein the physical layer signaling data includes encoding information and modulation information of the service data, and   wherein the physical layer signaling data further includes flag information for indicating whether the first signaling data is included in a current frame.   
     
     
         22 . The method according to  claim 21 ,
 wherein the access information in the first signaling data includes Internet Protocol (IP) address information and User Data Protocol (UDP) port number information to obtain the second signaling data which is transmitted through the broadcast network and   wherein the access information in the first signaling data includes uniform resource location information to obtain the second signaling data which is transmitted through the broadband network.   
     
     
         23 . The method according to  claim 21 , wherein the first signaling data further includes type information for indicating whether the service data is delivered through the ROUTE session or the MMTP session. 
     
     
         24 . An apparatus for processing data in a transmitting system, the apparatus comprising:
 a first encoder configured to encode service data of a service delivered through one of a real time object delivery over unidirectional transport (ROUTE) session or a MPEG media transport protocol (MMTP) session;   a mapper configured to map the encoded service data by a Non Uniform Constellation (NUC);   a second encoder configured to encode first signaling data for fast channel scans and service acquisition, wherein the first signaling data includes access information for obtaining second signaling data, service identification information for identifying the service, channel information of the service, and name information of the service, and wherein the second signaling data provides information for discovery and acquisition of the service; and   a transmitter configured to transmit a broadcast signal including one or more frames that include the mapped service data, the encoded first signaling data, and physical layer signaling data through a broadcast network,   wherein the second signaling data is transmitted through one of the broadcast network or a broadband network,   wherein the physical layer signaling data includes encoding information and modulation information of the service data, and   wherein the physical layer signaling data further includes flag information for indicating whether the first signaling data is included in a current frame.   
     
     
         25 . The apparatus according to  claim 24 ,
 wherein the access information in the first signaling data includes Internet Protocol (IP) address information and User Data Protocol (UDP) port number information to obtain the second signaling data which is transmitted through the broadcast network and   wherein the access information in the first signaling data includes uniform resource location information to obtain the second signaling data which is transmitted through the broadband network.   
     
     
         26 . The apparatus according to  claim 24 , wherein the first signaling data further includes type information for indicating whether the service data is delivered through the ROUTE session or the MMTP session. 
     
     
         27 . A method of processing data in a receiving system, the method comprising:
 receiving a broadcast signal including one or more frames that include service data of a service, first signaling data for fast channel scans and service acquisition, and physical layer signaling data through a broadcast network,   wherein the physical layer signaling data includes encoding information and modulation information of the service data,   wherein the physical layer signaling data further includes flag information for indicating whether the first signaling data is included in a current frame,   wherein the service data is delivered through one of a real time object delivery over unidirectional transport (ROUTE) session or a MPEG media transport protocol (MMTP) session,   wherein the first signaling data includes access information for obtaining second signaling data, service identification information for identifying the service, channel information of the service, and name information of the service,   wherein the second signaling data provides information for discovery and acquisition of the service, and   wherein the second signaling data is received through the broadcast network or a broadband network;   decoding the first signaling data;   de-mapping the service data based on the modulation information;   decoding the de-mapped service data based on the encoding information;   obtaining the second signaling data based on the first signaling data; and   providing the service to a user by discovering and acquiring the service including the service data based on the second signaling data.   
     
     
         28 . The method according to  claim 27 ,
 wherein the access information in the first signaling data includes Internet Protocol (IP) address information and User Data Protocol (UDP) port number information to obtain the second signaling data which is received through the broadcast network and   wherein the access information in the first signaling data includes uniform resource location information to obtain the second signaling data which is received through the broadband network.   
     
     
         29 . The method according to  claim 27 , wherein the first signaling data further includes type information for indicating whether the service data is delivered through the ROUTE session or the MMTP session. 
     
     
         30 . An apparatus for processing data in a receiving system, the apparatus comprising:
 a tuner configured to receive a broadcast signal including one or more frames that include service data of a service, first signaling data for fast channel scans and service acquisition, and physical layer signaling data through a broadcast network,   wherein the physical layer signaling data includes encoding information and modulation information of the service data,   wherein the physical layer signaling data further includes flag information for identifying whether the first signaling data is included in a current frame,   wherein the service data is delivered through one of a real time object delivery over unidirectional transport (ROUTE) session or a MPEG media transport protocol (MMTP) session,   wherein the first signaling data includes access information for obtaining second signaling data, service identification information for identifying the service, channel information of the service, and name information of the service,   wherein the second signaling data provides information for discovery and acquisition of the service, and   wherein the second signaling data is received through the broadcast network or a broadband network;   a first decoder configured to decode the first signaling data;   a demapper configured to de-map the service data based on the modulation information; and   a second decoder configured to decode the de-mapped service data based on the encoding information;   a first processor configured to obtain the second signaling data based on the first signaling data; and   a second processor configured to provide the service to a user by discovering and acquiring the service including the service data based on the second signaling data.   
     
     
         31 . The apparatus according to  claim 30 ,
 wherein the access information in the first signaling data includes Internet Protocol (IP) address information and User Data Protocol (UDP) port number information to obtain the second signaling data which is received through the broadcast network and   wherein the access information in the first signaling data includes uniform resource location information to obtain the second signaling data which is received through the broadband network   
     
     
         32 . The apparatus according to  claim 30 , wherein the first signaling data further includes type information for indicating whether the service data is delivered through the ROUTE session or the MMTP session.