Apparatus for transmitting broadcast signal, apparatus for receiving broadcast signal, method for transmitting broadcast signal and method for receiving broadcast signal

• US 10,142,233 B2
• Filed: 01/21/2016
• Issued: 11/27/2018
• Est. Priority Date: 01/21/2015
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kwak, Minsung, Lee, Jangwon, Ko, Woosuk, Hong, Sungryong
• Primary Examiner(s): Huynh, Dung B
• Application Number:
  US15/100,875
• Publication Number:
  US 20160359744A1
• Time in Patent Office: 1,041 Days
• CPC Class Codes: H04L 41/0803 Configuration setting
• CPC Class Codes: H04L 45/745 Address table lookup; Address filtering
• CPC Class Codes: H04L 61/5007 Internet protocol [IP] addresses
• CPC Class Codes: H04L 69/16 Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
• CPC Class Codes: H04L 69/326 in the transport layer [OSI layer 4] H04L69/16 takes precedence
• CPC Class Codes: H04N 21/2343 involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements video transcoding H04N19/40; media packet handling at the source H04L65/762
• CPC Class Codes: H04N 21/236 Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream multiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00
• CPC Class Codes: H04N 21/2362 Generation or processing of Service Information [SI]
• CPC Class Codes: H04N 21/2381 Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network transmission of MPEG streams over ATM H04L12/5601
• CPC Class Codes: H04N 21/2542 for selling goods, e.g. TV shopping payment schemes, payment architectures or payment protocols for electronic shopping systems G06Q20/12
• CPC Class Codes: H04N 21/4432 Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server resetting in general G06F1/14; program loading or initiating in general G06F9/445; bootstrapping in general G06F9/4401; secure boots of computer platforms G06F21/57
• CPC Class Codes: H04N 21/643 Communication protocols network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP], H04L65/65
• CPC Class Codes: H04N 21/64315 DVB-H
• CPC Class Codes: H04N 21/647 Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless real-time session protocols H04L65/1101
• CPC Class Codes: H04N 21/8352 involving content or source identification data, e.g. Unique Material Identifier [UMID]
• CPC Class Codes: H04N 21/8456 by decomposing the content in the time domain, e.g. in time segments
• CPC Class Codes: H04N 21/85403 by describing the content as an MPEG-21 Digital Item
• CPC Class Codes: H04N 21/85406 involving a specific file format, e.g. MP4 format
• CPC Class Codes: H04N 21/858 Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
• CPC Class Codes: H04N 7/08 Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band , e.g. by time division H04N7/007 takes precedence

Abstract

The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention can support future broadcast services in an environment supporting future hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, the present invention provides efficient signaling methods using both terrestrial broadcast networks and the Internet in an environment supporting future hybrid broadcast.

Claims

1. A method for transmitting a broadcast signal, the method comprising,:

generating, by a processor, service data of a broadcast service and service signaling information for signaling the service data, the service data including first service components delivered by using a Movie Picture Everts Group (MPEG) Media Transport Protocol (MMTP) and second service components delivered by using a Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol;

generating, by the processor, a service list table, the service list table including bootstrap information and protocol type information for the broadcast service,

wherein protocol type information indicates which one of the MMTP or the ROUTE protocol is used for delivering the service signaling information for the broadcast service, the bootstrap information identifies a transport session carrying the service signaling information for the broadcasts service, and the transport session identified by the bootstrap information has a transport protocol type indicated by the protocol type information;

generating, by the processor, a broadcast signal including the first and second service components, the service signal information, and the service list table; and

transmitting, by a broadcasting antenna, the generated broadcast signal through a broadcast network,

wherein when the protocol type information indicates that the service signaling information is delivered according to the MMTP, the service signaling information for the broadcast service is carried in an MMTP session identified by the bootstrap information, and

wherein the service signaling information carried in the MMTP session includes information used for accessing ROUTE sessions which deliver the second service components of the broadcast service based on the ROUTE protocol.

2. The method of claim 1, wherein when the protocol type information indicates that the service signaling information is delivered according to the ROUTE protocol, the service signaling information for the broadcast service is carried in a ROUTE session identified by the bootstrap information.

3. The method of claim 1, wherein the bootstrap information includes Internet Protocol (IP)/User Datagram Protocol (UDP) information of the transport session carrying the service signaling information.

4. The method of claim 3, wherein the second service components are Non Real Time (NRT) service components of the broadcast service.

5. An apparatus for transmitting a broadcast signal, the apparatus comprising:

a processor configured to;

generate service data of a broadcast service and service signaling information for signaling the service data, the service data including first service components delivered by using a Movie Picture Experts Group (MPEG) Media Transport Protocol (MMTP) and second service components delivered according to a Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol,

generate a service list table, the service list table including bootstrap information and protocol type information for the broadcast service,

wherein the protocol type information indicates which one of MMTP or the ROUTE protocol is used for delivering the service signaling information for the broadcast service, the bootstrap information identifies a transport session carrying the service signaling information for the broadcasts service, and the transport session identified by the bootstrap information has a transport protocol type indicated by the protocol type information, and

generate a broadcast signal including the first and second service components, the service signaling information, and the service list table; and

a broadcasting antenna configured to transmit, through a broadcast network, the broadcast generated broadcast signal,

wherein when the protocol type information indicates that the service signaling information is delivered according to the MMTP, the service signaling information for the broadcast service is carried in an MMTP session identified by the bootstrap information, and

wherein the service signaling information carried in the MMTP session includes information used for accessing ROUTE sessions which deliver the second service components of the broadcast service based on the ROUTE protocol.

6. The apparatus of claim 5, wherein when the protocol type information indicates that the service signaling information is delivered according to the ROUTE protocol, the service signaling information for the broadcast service is carried in a ROUTE session identified by the bootstrap information.

7. The apparatus of claim 5, wherein the bootstrap information includes Internet Protocol (IP)/User Datagram Protocol (UDP) information of the transport session carrying the service signaling information.

8. The apparatus of claim 7, wherein the second service components are Non Real Time (NRT) service components of the broadcast service.

9. A method for receiving a broadcast signal, the method comprising:

receiving and demodulating the broadcast signal,

wherein the broadcast signal carries service components of a broadcast service, service signaling information, and a service list table,

decoding the service list table,

wherein the service list table includes bootstrap information and protocol type information for the broadcast service,

wherein the protocol type information indicates which one of a Movie Picture Experts Group (MPEG) Media Transport Protocol (MMTP) or Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol is used for delivering the service signaling information for the broadcast service, and

wherein the bootstrap information identifies a transport session carrying the service signaling information for the broadcasts service, and the transport session identified by the bootstrap information has a transport protocol type indicated by the protocol type information;

decoding the service signaling information carried in an MMTP session,

wherein the service signaling information for the broadcast service is carried in the MMTP session identified by the bootstrap information when the protocol type information indicates that the service signaling information is delivered according to the MMTP, and

wherein the service signaling information carried includes information related to the service components of the broadcast service based on the ROUTE protocol; and

decoding the service components.

10. The method of claim 9, wherein the service components include Non Real Time (NRT) service components of the broadcast service.

11. An apparatus for receiving a broadcast signal in a receiver, the apparatus comprising:

a reception processor for receiving and demodulating the broadcast signal,

wherein the broadcast signal carries service components of a broadcast service, service signaling information, and a service list table,

a first signaling decoder for decoding the service list table,

wherein the service list table includes bootstrap information and protocol type information for the broadcast service,

wherein the protocol type information indicates which one of a Movie Picture Experts Group (MPEG) Media Transport Protocol (MMTP) or Real-Time Object Delivery over Unidirectional Transport (ROUTE) protocol is used for delivering the service signaling information for the broadcast service, and

wherein the bootstrap information identifies a transport session carrying the service signaling information for the broadcasts service, and the transport session identified by the bootstrap information has a transport protocol type indicated by the protocol type information;

a second signaling decoder for decoding the service signaling information carried in an MMTP session,

wherein the service signaling information for the broadcast service is carried in the MMTP session identified by the bootstrap information when the protocol type information indicates that the service signaling information is delivered according to the MMTP, and

wherein the service signaling information includes information related to the service components of the broadcast service based on the ROUTE protocol; and

a data decoder for decoding the service components.

12. The apparatus of claim 11, wherein the service components include Non Real Time (NRT) service components of the broadcast service.