Transmitting system and method for transmitting digital broadcast signal

• US 9,357,040 B2
• Filed: 02/07/2014
• Issued: 05/31/2016
• Est. Priority Date: 12/21/2009
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Lee, Hyoung Gon, Song, Won Gyu, Kim, Byoung Gill, Kim, Jin Woo, Song, Jae Hyung, Choi, In Hwan, Mun, Chul Kyu
• Primary Examiner(s): Mui, Gary
• Assistant Examiner(s): PHILLIPS, MICHAEL K
• Application Number:
  US14/175,817
• Publication Number:
  US 20140153585A1
• Time in Patent Office: 844 Days
• Field of Search: 370/310, 370/312, 370/321, 370/337, 370/347, 370/442, 375/240.27
• US Class Current: 1/1
• CPC Class Codes: H03M 13/09 Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
• CPC Class Codes: H03M 13/15 Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes H03M13/17 takes precedence
• CPC Class Codes: H03M 13/1515 Reed-Solomon codes
• CPC Class Codes: H03M 13/2909 Product codes
• CPC Class Codes: H03M 13/2921 wherein error correction coding involves a diagonal direction
• CPC Class Codes: H03M 13/2957 Turbo codes and decoding
• CPC Class Codes: H03M 13/296 Particular turbo code structure
• CPC Class Codes: H03M 13/2966 Turbo codes concatenated with another code, e.g. an outer block code
• CPC Class Codes: H03M 13/2972 Serial concatenation using convolutional component codes
• CPC Class Codes: H03M 13/356 Unequal error protection [UEP]
• CPC Class Codes: H03M 13/6356 by repetition or insertion of dummy data, i.e. rate reduction
• CPC Class Codes: H04L 1/0042 Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape H04L1/0067 takes precedence
• CPC Class Codes: H04L 1/0047 Decoding adapted to other signal detection operation in conjunction with sequence estimation or equalization H04L25/03286
• 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 1/007 Unequal error protection for format H04L1/0078; for codes per se H03M13/35
• CPC Class Codes: H04L 1/0071 Use of interleaving interleaving per se H03M13/27
• CPC Class Codes: H04L 12/18 for broadcast or conference , e.g. multicast
• CPC Class Codes: H04L 2027/0042 the equaliser providing the offset correction per se
• CPC Class Codes: H04L 27/0014 Carrier regulation of chaotic carriers H04L27/001; for multicarrier receivers H04L27/2657
• CPC Class Codes: H04L 27/02 : Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation H04L27/32 takes precedence
• CPC Class Codes: H04L 5/0048 : Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 69/03 : Protocol definition or specification protocol conformance testing H04L1/244
• CPC Class Codes: H04L 69/26 : Special purpose or proprietary protocols or architectures network applications for proprietary or special purpose networking environments H04L67/12
• CPC Class Codes: H04W 4/06 : Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

Abstract

A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes generating signaling data including a transmission parameter, wherein the transmission parameter includes a protocol version field identifying between a first transmission mode and a second transmission mode, forming a data group including mobile service data and the signaling data, forming mobile service data packets including the mobile service data and the signaling data in the data group, transmitting the digital broadcast signal including the data group.

Claims

1. A method for transmitting broadcast signals, the method comprising:

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

encoding the FEC encoded broadcast data using a specific code rate;

encoding signaling information including transmission parameters and service acquisition data, the service acquisition data carrying cross-layer information to enable fast service acquisition and the transmission parameters including code rate information specifying the specific code rate;

generating data frames including the encoded broadcast data and the signaling information; and

transmitting the broadcast signals including the data frames,

wherein signaling information further includes information specifying a transmission mode,

wherein the data frames include a plurality of data units,

wherein each of the data units includes known data used for channel equalization at a receiver, and

wherein the signaling information further includes information specifying neighboring data units that include the known data.

2. The method of claim 1, wherein:

the signaling information further includes information specifying a number of broadcast data included in the data frames; and

the number of the broadcast data is scalable.

3. The method of claim 1, wherein the signaling information further includes version information indicating a version of the service acquisition data.

4. An apparatus for transmitting broadcast signals, the apparatus comprising:

a first encoder configured to FEC (Forward Error Correction) encode broadcast data for broadcast service;

a second encoder configured to encode the FEC encoded broadcast data using a specific code rate;

a signaling encoder configured to encode signaling information including transmission parameters service acquisition data, the service acquisition data carrying cross-layer information to enable fast service acquisition and the transmission parameters including code rate information specifying the specific code rate;

a generating unit configured to generate data frames including the encoded broadcast data and the signaling information; and

a transmission unit configured to transmit the broadcast signals including the data frames,

wherein the signaling information further includes information specifying a transmission mode,

wherein the data frames include a plurality of data units,

wherein each of the data units includes known data used for channel equalization at a receiver, and

wherein the signaling information further includes information specifying neighboring data units that include the known data.

5. The apparatus of claim 4, wherein:

the signaling information further includes information specifying a number of broadcast data included in the data frames; and

the number of the broadcast data is scalable.

6. The apparatus of claim 4, wherein the signaling information further includes version information indicating a version of the service acquisition data.