Digital broadcasting system and method of processing data in digital broadcasting system

• US 9,071,278 B2
• Filed: 05/27/2014
• Issued: 06/30/2015
• Est. Priority Date: 08/24/2007
• Status: Expired due to Fees

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Yoo, Hui Sang, Choi, In Hwan, Lee, Chul Soo, Song, Jae Hyung, Shin, Pil Sup
• Primary Examiner(s): Goodarzi, Nasser
• Assistant Examiner(s): Peng, Fred
• Application Number:
  US14/287,937
• Publication Number:
  US 20140267921A1
• Time in Patent Office: 399 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H03M 13/251 with block coding
• CPC Class Codes: H03M 13/2936 comprising an outer Reed-Solomon code and an inner convolutional code
• CPC Class Codes: H04L 1/0041 Arrangements at the transmitter end
• CPC Class Codes: H04L 1/0045 Arrangements at the receiver end
• CPC Class Codes: H04L 1/0057 Block codes H04L1/0061, H04L1/0064 take precedence
• CPC Class Codes: H04L 1/006 Trellis-coded modulation
• CPC Class Codes: H04L 1/0071 Use of interleaving interleaving per se H03M13/27
• CPC Class Codes: H04L 2025/03382 Single of vestigal sideband
• CPC Class Codes: H04L 27/04 Modulator circuits; Transmitter circuits
• CPC Class Codes: H04L 65/611 for multicast or broadcast systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/414 Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
• CPC Class Codes: H04N 21/41407 embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• 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 21/435 Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
• 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 21/47 End-user applications
• CPC Class Codes: H04N 21/6131 involving transmission via a mobile phone network wireless downlink channel access H04W74/006
• CPC Class Codes: H04N 5/38 Transmitter circuitry for the transmission of television signals according to analogue transmission standards H04N5/14 takes precedence
• CPC Class Codes: H04N 5/40 : Modulation circuits
• CPC Class Codes: H04N 5/50 : Tuning indicators; Automatic tuning control
• CPC Class Codes: H04N 7/52 : Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal assembling of a multiplex stream by combining a video stream with other content or additional data, remultiplexing of multiplex streams, insertion of stuffing bits into the multiplex stream, assembling of a packetised elementary stream at server side H04N21/236; disassembling of a multiplex stream, remultiplexing of multiplex streams, extraction or processing of Service Information, disassembling of packetised elementary stream at client side H04N21/434

Abstract

The present invention provides a data processing method, the data processing method including receiving a broadcasting signal where mobile service data are multiplexed with main service data, extracting transmission-parameter-channel signaling information and fast-information-channel signaling information from a data group within the received mobile service data, parsing first program table information describing virtual channel information of an ensemble and a service provided by the ensemble using the fast-information-channel signaling information, the ensemble the ensemble corresponding to a virtual channel group of the received mobile service data, obtaining information representing that second program table information, which includes a descriptor describing event information of the mobile service data, is received, from the first program table information, parsing the second program table information, and storing the event information and displaying service guide information including the event information.

Claims

1. A method of processing broadcast data in a broadcast transmitter, the method comprising:

FEC (Forward Error Correction) encoding broadcast service data;

encoding the FEC encoded broadcast service data;

encoding transmission parameters including specific code rates and FIC (fast information channel) data carrying cross-layer information to enable fast service acquisition, wherein the transmission parameters further include version information indicating a version of the FIC data;

generating data frames including the encoded broadcast service data, the transmission parameters and the FIC data; and

transmitting broadcast signals including the data frames,

wherein the data frames include at least two of different profiles of the broadcast service data.

2. The method of claim 1,

wherein the FIC data is divided into a number of FIC segments.

3. The method of claim 2,

wherein the FIC segment includes an FIC segment header and an FIC segment payload.

4. The method of claim 3, wherein the FIC segment header includes:

error indication information for indicating whether an error is detected in the FIC segment.

5. The method of claim 4, wherein the FIC segment header further includes:

segment number information indicating a numbering of the FIC segment among FIC segments of the FIC data;

last segment number information indicating a numbering of a last FIC segment of the FIC data; and

type information indicating a type of data carried in the FIC segment.

6. The method of claim 1,

wherein the data frames further include a signaling information element,

wherein the signaling information element provides service acquisition information for broadcast services,

wherein the signaling information element includes an audio component sub element describing an audio stream component of a mobile service, and

wherein the audio component sub element includes:

sampling rate information identifying an output sampling rate of the audio stream component; and

audio channel number information identifying number of audio channels.

7. A broadcast transmitter for processing broadcast data, the broadcast transmitter comprising:

a first encoder for FEC (Forward Error Correction) encoding broadcast service data;

a second encoder for encoding the FEC encoded broadcast service data;

a signaling encoder for encoding transmission parameters including specific code rates and FIC (fast information channel) data carrying cross-layer information to enable fast service acquisition, wherein the transmission parameters further include version information indicating a version of the FIC data;

a frame builder for generating data frames including the encoded broadcast service data, the transmission parameters and the FIC data; and

a transmission unit for transmitting broadcast signals including the data frames,

wherein the data frames include at least two of different profiles of the broadcast service data.

8. The broadcast transmitter of claim 7,

wherein the FIC data is divided into a number of FIC segments.

9. The broadcast transmitter of claim 8,

wherein the FIC segment includes an FIC segment header and an FIC segment payload.

10. The broadcast transmitter of claim 9, wherein the FIC segment header includes:

error indication information for indicating whether an error is detected in the FIC segment.

11. The broadcast transmitter of claim 10, wherein the FIC segment header further includes:

segment number information indicating a numbering of the FIC segment among FIC segments of the FIC data;

last segment number information indicating a numbering of a last FIC segment of the FIC data; and

type information indicating a type of data carried in the FIC segment.

12. The broadcast transmitter of claim 7,

wherein the data frames further include a signaling information element,

wherein the signaling information element provides service acquisition information for broadcast services,

wherein the signaling information element includes an audio component sub element describing an audio stream component of a mobile service, and

wherein the audio component sub element includes:

sampling rate information identifying an output sampling rate of the audio stream component; and

audio channel number information identifying number of audio channels.