1 Scope
This standard specifies the framing structure, channel coding and modulation mode for the signals of digital television terrestrial broadcasting and transmitting system in every 8MHz frequency band of digital television among the UHF / VHF frequency band.
This standard is applicable to framing structure, channel coding and modulation system of the fixed and mobile terrestrial broadcasting services with digital multichannel television/high definition television.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest edition of the normative document referred to applies.
Contents
Foreword III
Introduction IV
1 Scope
2 Normative References
3 Terms, Definitions, Symbols, Conventions and Abbreviations
3.1 Terms and Definitions
3.2 Symbols and Conventions
3.3 Abbreviations
4 System Description
4.1 Overview
4.2 System Block Diagram
4.3 Interfaces
4.4 Coding and Modulation
4.4.1 Scrambling
4.4.2 Forward Error Correction
4.4.3 Symbol Constellation Mapping
4.4.4 Symbol Interleaving
4.4.5 Frequency-domain Interleaving
4.5 Multiframe
4.5.1 Multiframe Structure
4.5.2 Signal Frame
4.5.3 Superframe
4.5.4 Sub-frame
4.5.5 Calendar Day Frame
4.6 Signal Frame
4.6.1 Signal Frame Structure
4.6.2 Frame Header
4.6.3 System Information
4.6.4 Data Symbols
4.7 Data Processing of Frame Body
4.8 Baseband Post-processing
4.9 RF Signal
4.10 Spectrum Characteristic and Spectrum Template of Baseband Signal
4.10.1 Spectrum Characteristic
4.10.2 OOB (Out of Band) Spectrum Template
4.11 System Payload Data Rate
Appendix A (Normative) Definition of the Cyclic Matrix Gi,j of LDPC Code
Appendix B (Normative) Definition of the Check Matrix of LDPC Code
Appendix C (Normative) NR Mapping
Appendix D (Normative) Definition of PN
Appendix E (Normative) Definition of PN
Appendix F (Normative) Frequency-domain Interleaving Pattern
Appendix G (Normative) System Information Mapping Table
Bibliography
