Method for receiving a broadcast signal and broadcast receiver

• US 9,485,448 B2
• Filed: 03/14/2012
• Issued: 11/01/2016
• Est. Priority Date: 12/09/2008
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Suh, Jong Yeul, Thomas, Gomer, Song, Jae Hyung, Kim, Jin Pil, Hong, Ho Taek, Lee, Joon Hui
• Primary Examiner(s): SALCE, JASON P
• Application Number:
  US13/419,913
• Publication Number:
  US 20120174176A1
• Time in Patent Office: 1,693 Days
• Field of Search: 725/9, 725/17, 725/20, 725/25, 725/28, 725/32, 725/35, 725 67- 68, 725701- 71, 725/93, 725/116, 725/146, 725 70- 71, 370/312, 370/432, 709/217, 709/227, 709/229, 348/731, 348/426.1, 348/384.1
• US Class Current: 1/1
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04N 21/4345 Extraction or processing of SI, e.g. extracting service information from an MPEG stream
• CPC Class Codes: H04N 21/4349 by extracting from data carousels, e.g. extraction of software modules from a DVB carousel
• CPC Class Codes: H04N 21/4622 Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859
• CPC Class Codes: H04N 21/6125 involving transmission via Internet transmission by internet of broadcast information H04H60/82
• CPC Class Codes: H04N 21/64322 IP
• CPC Class Codes: H04N 21/812 involving advertisement data advertising per se G06Q30/02

Abstract

A method of receiving a broadcast signal including a Non-Real-Time (NRT) service and a broadcast receiver are disclosed herein. A method of receiving a broadcast signal including an NRT service, the method comprises receiving a broadcast signal including first signaling information and second signaling information, identifying the NRT service based on the first signaling information, parsing the second signaling information to identify an Internet Protocol (IP) address of an NRT service signaling channel, receiving the NRT service signaling channel by accessing the IP address, and downloading a desired NRT service based on the NRT service signaling channel.

Claims

1. A method of receiving a broadcast signal for a Non-Real-Time (NRT) service, the method comprising:

receiving, by a baseband processor, a broadcast signal including first signaling information and second signaling information for the NRT service through a Service Signaling Channel (SSC) with a specific IP address, the NRT service which is delivered in advance of its use and stored in a receiving device;

identifying, by a service manager, the NRT service based on the first signaling information;

acquiring, by the service manager, an IP address of an NRT service data based on the second signaling information; and

downloading, by an NRT service manager, a desired NRT service based on the acquired IP address of the NRT service data, wherein;

the NRT service is delivered within IP packets,

the IP packets are carried in Digital Storage Media Command and Control (DSM-CC) Addressable Sections in MPEG-2 Transport Stream and the DSM-CC Addressable Sections are referenced by a Virtual Channel Table (VCT) or an associated Program Map Table (PMT),

the IP packets form an IP subnet, and

the PMT includes information for accessing the SSC, wherein the SSC is contained in the IP subnet.

2. The method of claim 1, wherein the first signaling information is a service_type field identifying the NRT service.

3. The method of claim 2, wherein the first signaling information and second signaling information for the NRT service through the SSC is included in a Service Map Table (SMT), the SMT containing service-level attributes for the NRT service.

4. The method of claim 3, wherein the broadcast signal further includes an NRT Information Table (NRT-IT) describing one or more content items available for download to storage in the receiving device for signaling NRT service.

5. The method of claim 4, wherein the content item is composed of one or more files being delivered via a File Delivery over Unidirectional Transport (FLUTE) file delivery session,

wherein the NRT-IT includes linkage information for linking from the content item to one or more files, the linkage information having an identifier of the content item, the identifier of the content item being used to map one or more files to the content item with a content identifier included in a FLUTE File Description Table (FDT) instance for the non-real time service.

6. A broadcast receiver for receiving a broadcast signal including a Non-Real Time (NRT) service, the broadcast receiver comprising:

a baseband processor for receiving a broadcast signal including first signaling information and second signaling information for the NRT service through a Service Signaling Channel (SSC) with a specific IP address, the NRT service which is delivered in advance of its use and stored in a receiving device;

a Service Manager for identifying the NRT service based on the first signaling information and acquiring an Internet Protocol (IP) address of an NRT service data based on the second signaling information; and

an NRT service manager for downloading a desired NRT service based on the acquired IP address of the NRT service data, wherein;

the NRT service is delivered within IP packets,

the IP packets are carried in Digital Storage Media Command and Control (DSM-CC) Addressable Sections in MPEG-2 Transport Stream and the DSM-CC Addressable Sections are referenced by a Virtual Channel Table (VCT) or an associated Program Map Table (PMT),

the IP packets form an IP subnet, and

the PMT includes information for accessing the SSC, wherein the SSC is contained in the IP subnet.

7. The broadcast receiver of claim 6, wherein the first signaling information is a service type field identifying the NRT service.

8. The broadcast receiver of claim 7, wherein the first signaling information and second information for the NRT service through the SSC is included in a Service Map Table (SMT), the SMT containing service-level attributes for the NRT service.

9. The method of claim 8, wherein the broadcast signal further includes an NRT Information Table (NRT-IT) describing one or more content items available for download to storage in the receiving device for signaling NRT service.

10. The method of claim 9, wherein the content item is composed of one or more files being delivered via a File Delivery over Unidirectional Transport (FLUTE) file delivery session,

wherein the NRT-IT includes linkage information for linking from the content item to one or more files, the linkage information having an identifier of the content item, the identifier of the content item being used to map one or more files to the content item with a content identifier included in a FLUTE File Description Table (FDT) instance for the non-real time service.