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GB/T 28432-2012 English PDF

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GB/T 28432-2012: Planning criteria for single frequency networks of digital terrestrial television broadcasting
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Basic data

Standard ID GB/T 28432-2012 (GB/T28432-2012)
Description (Translated English) Planning criteria for single frequency networks of digital terrestrial television broadcasting
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M63
Classification of International Standard 33.160
Word Count Estimation 12,186
Quoted Standard GB 20600-2006; GB/T 26252-2010
Regulation (derived from) National Standards Bulletin 2012 No. 13
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the line with GB 20600-2006 terrestrial digital television broadcasting system SFN planning guidelines. This standard applies to terrestrial digital television broadcast single frequency network planning.

GB/T 28432-2012: Planning criteria for single frequency networks of digital terrestrial television broadcasting


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS33.160 M63 National Standards of People's Republic of China Terrestrial digital television broadcast single frequency network planning guidelines Issued on. 2012-10-01 2012-06-29 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Minimum equivalent field strength and minimum median equivalent field strength 1 5 RF protection ratio and multipath signal processing 3 Appendix A (normative) Minimum equivalent field strength and minimum median equivalent field strength calculation 5 Annex B (informative) channel model parameters 6 References 8

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard was proposed by the State Administration of Radio, Film and Television. This standard by the National Film and Television Broadcasting Standardization Technical Committee (SAC/TC239) centralized. This standard was drafted. the State Administration of Radio, Film Radio and Television Planning Institute, the State Administration of Radio, Film and Television Institute of Broadcasting Science Study hospital. The main drafters of this standard. He Jianhui, Fengjing Feng, Li Guosong, Li Leilei, Liu Jun, Zhou Xingwei, Dai-Ming, any instrument. Terrestrial digital television broadcast single frequency network planning guidelines

1 Scope

This standard specifies the planning guidelines in line with GB 20600-2006 terrestrial digital television broadcasting system SFN. This standard applies to terrestrial digital television broadcast single frequency network planning.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB 20600-2006 digital terrestrial television broadcasting transmission system frame structure, channel coding and modulation GB/T 26252-2010 VHF/UHF band terrestrial digital TV broadcasting frequency planning criteria

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Minimum equivalent field strength minimumequivalentfieldstrength In no other signal interference, to ensure the normal reception of terrestrial digital television receiver, the minimum required field strength. 3.2 Minimum median equivalent field strength minimummedianequivalentfieldstrength For consideration received signal strength with time, place and other statistical factors change, to ensure the normal reception of terrestrial digital television receiver, the minimum required in The value of field strength. 3.3 RF protection ratio RFprotectionratio Ensure that under normal reception conditions, wish to receive the signal and non wish to receive the minimum signal power ratio at the receiver input is usually measured in decibels (DB) values. 3.4 Doppler category Dopplercategory With specific amplitude distribution and the corresponding Doppler spectrum characteristic decline category.

4 Minimum equivalent field strength and minimum median equivalent field strength

4.1 Calculation Method Terrestrial digital television broadcast single frequency network planning used the minimum equivalent field strength and minimum median equivalent field strength in each system according to different reception mode Way different channel and carrier to noise ratio environments threshold calculation, calculation formula see Appendix A. 4.2 carrier to noise ratio threshold 4.2.1 fixed reception carrier to noise ratio threshold For fixed receive terrestrial digital TV broadcast single frequency network in a relatively strong signal stations transmit the reception area, that there all the way

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