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GB/T 39473-2020 English PDF

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GB/T 39473-2020: Specifications for open service performance of BeiDou navigation satellite system
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Basic data

Standard ID GB/T 39473-2020 (GB/T39473-2020)
Description (Translated English) Specifications for open service performance of BeiDou navigation satellite system
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard V04
Classification of International Standard 49.020
Word Count Estimation 15,163
Date of Issue 2020-11-19
Date of Implementation 2021-03-01
Quoted Standard GB/T 39267; GB/T 39398-2020; GB/T 39414.1-2020; GB/T 39414.2-2020; GB/T 39414.3-2020; GB/T 39414.4-2020
Regulation (derived from) National Standard Announcement No. 26 of 2020
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies the Beidou system overview, Beidou system spatial signal characteristics and Beidou system service performance characteristics, and specifies the Beidou system public service spatial signal performance indicators, Beidou system public service performance indicators and their verification methods. This standard is applicable to the monitoring and evaluation of Beidou system's public service performance and the testing and verification of Beidou products' functional performance.

GB/T 39473-2020: Specifications for open service performance of BeiDou navigation satellite system


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(Beidou Satellite Navigation System Public Service Performance Specification) ICS 49.020 V04 National Standards of People's Republic of China Beidou Satellite Navigation System Public Service Performance Specification 2020-11-19 released 2021-03-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and definitions 1 3.2 Symbols and abbreviations 1 4 Overview of Beidou system 2 4.1 System composition 2 4.2 Service Area 3 4.3 Coordinate system 3 4.4 Time System 3 5 Spatial signal characteristics of Beidou system 3 5.1 Space signal interface characteristics 3 5.2 Space signal performance characteristics 5 6 Beidou system service performance characteristics 6 6.1 User conditions 6 6.2 Service accuracy 6 6.3 Service availability 6 6.4 Compatibility and Interoperability 6 7 Beidou system public service space signal performance indicators 7 7.1 Spatial signal coverage indicators 7 7.2 Spatial signal accuracy index 7 7.3 Spatial signal continuity index 8 7.4 Space signal availability indicators 8 7.5 Verification method 9 8 Beidou system public service performance indicators 9 8.1 Service accuracy index 9 8.2 Service availability indicators 10 8.3 Verification method 11

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Equipment Development Department of the Central Military Commission. This standard is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC544). Drafting organizations of this standard. China Satellite Navigation Engineering Center, China Aerospace Standardization Institute. The main drafters of this standard. Su Mudan, Gong Peipei, Gao Weiguang, Zheng Heng, Wang Kai, Jia Xiaolin, Hu Zhigang, Geng Tao, Feng Laiping, Wang Jinjing, Zhao Qile, Li Junzheng, Zhou Yuxia, Wang Weijia, Cao Kunmei.

Introduction

Beidou satellite navigation system (hereinafter referred to as Beidou system) nominal space constellation consists of 30 satellites (3GEO 3IGSO 24MEO) The satellites are deployed in orbit as appropriate, and can provide navigation, positioning and timing services for global users. Beidou satellite navigation system public service is Refers to the radio navigation service that uses the public service signal broadcast by the Beidou system to determine the user's location, speed, and time. Beidou System launched its global navigation and positioning service on December 27,.2018, and the China Satellite Navigation System Management Office has successively released A series of Beidou system space signal interface control documents and commitment documents for public service performance indicators. This standard is based on these documents, The basic navigation and positioning timing service performance of the open service signal of the nominal constellation of the fighting system is specified. Beidou Satellite Navigation System Public Service Performance Specification

1 Scope

This standard gives an overview of the Beidou system, the spatial signal characteristics of the Beidou system, and the service performance characteristics of the Beidou system. Open service space signal performance indicators, Beidou system public service performance indicators and their verification methods. This standard is applicable to the monitoring and evaluation of Beidou system public service performance, and the testing and verification of Beidou product functional performance.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 39267 Beidou satellite navigation terminology GB/T 39398-2020 Global Continuous Monitoring and Evaluation System (iGMAS) Monitoring and Evaluation Parameters GB/T 39414.1-2020 Beidou Satellite Navigation System Space Signal Interface Specification Part 1.Public Service Signal B1C GB/T 39414.2-2020 Beidou Satellite Navigation System Space Signal Interface Specification Part 2.Public Service Signal B2a GB/T 39414.3-2020 Beidou Satellite Navigation System Space Signal Interface Specification Part 3.Public Service Signal B1I GB/T 39414.4-2020 Beidou Satellite Navigation System Space Signal Interface Specification Part 4.Public Service Signal B3I 3 Terms and definitions, abbreviations 3.1 Terms and definitions The following terms and definitions defined in GB/T 39267 apply to this document. 3.1.1 Signal interruption Beidou satellites cannot broadcast events of "healthy" space signals. Note. Signal interruption includes signal non-broadcast, non-standard code broadcast, and signal status as "unhealthy". 3.1.2 Planned outage When the satellite signal is expected to not meet the performance specified in this standard, the satellite signal notified in advance is interrupted. 3.1.3 Unplanned outage Satellite signal interruption caused by system failures or maintenance events other than planned interruptions. 3.2 Symbols and abbreviations The following symbols and abbreviations apply to this document. AOD. data age BDCS. Beidou Coordinate System BDS. Beidou Satellite Navigation System BDS-3.Beidou Three

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