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GB/T 37018-2018Specification for data interface of national BeiDou augmentation system data processing center (English PDF)

卫星导航地基增强系统数据处理中心数据接口规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 28, 2018

Implementation date

July 1, 2019

Scope

GB/T 37018-2018 is the English-translated version of 卫星导航地基增强系统数据处理中心数据接口规范.

GB/T 37018-2018 specifies the data interface of the data processing center of the national BeiDou ground-based augmentation system.

It defines the interface relationships, transmission content and requirements and interface protocols between the data processing center and the reference stations, monitoring stations, data distribution system and other data processing centers.

It then classifies the data products and sets their packaging, formats, data fields and descriptions, extending the RTCM 10403.3 and RTCM 10402.4 differential messages with custom BDS and SSR messages for high-precision positioning.

Annexes cover BeiDou custom messages, the wide-area differential user terminal solution, Unicode text, coordinate projection messages and a summary of data fields.

It is used by operators and developers of augmentation system centers and stations. It was issued on 28 December 2018 and has applied since 1 July 2019.

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Document preview — GB/T 37018-2018

National Standard of the People's Republic of China

ICS: 47.020.70
Classification: U 65

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Abbreviations
5 data interface
5.1 Overview
5.2 Interface Relationship
5.3 Transmission Content and Requirements
5.4 Interface Protocol
6 Data Products and Formats
6.1 Classification
6.2 Package
6.3 Format
6.4 Data Fields and Descriptions
Appendix A (Normative Appendix) Beidou Satellite Navigation System Custom Message
Appendix B (informative) Wide-area differential user terminal solution method
Appendix C (informative) Unicode text example
Appendix D (informative) Coordinate projection message group
Appendix E (Normative) Data Field Summary and Description

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

Introduction

The Satellite Navigation Ground Reinforcement System (NBAS) is a nationally important information infrastructure for high precision positioning and integrity service.

The satellite navigation ground-based augmentation system receives navigation signals transmitted by navigation satellites through a number of reference stations established at a certain distance on the ground.

Transmission to the data processing center via the communication network, processing to generate precise orbits and clock differences of the navigation satellite, ionospheric correction, post-processing data Products and other information, broadcast through satellite, mobile communication networks, digital broadcasting, etc., and provide download services for post-processing data products via the Internet.

To meet the real-time positioning and navigation requirements of wide-area meter-level and decimeter-level, regional centimeter-level within the scope of satellite navigation ground-based augmentation system services, And post-processing requirements for millimeter-level positioning services.

This standard applies to the data processing center of the satellite navigation ground-based augmentation system and the base station, monitoring station and data distribution system.

Data interface relationship between heart and other data processing centers, transmission content and requirements, interface protocols, data product categories, message content and The format is specified as data between the data processing center of the satellite navigation ground-based augmentation system and the base station, monitoring station, and data distribution system.

Provides a basis for data interaction between the processing center and other data processing centers. In the case of differential data product messages, this standard is based on RTCM10403.3 and RTCM10402.4 have been expanded to customize some messages such as BDS and SSR to support satellite navigation. High-precision positioning service for base-enhanced systems.

1 Scope

This standard specifies the data processing center of satellite navigation ground enhancement system (hereinafter referred to as data processing center) and the base station, monitoring station, number According to the data interface relationship, transmission content and requirements, interface protocol between the data processing center and other data processing centers, Classification, packaging, format, data fields and descriptions of data products.

This standard applies to data processing centers and reference stations, monitoring stations, data distribution systems, data processing centers and other data processing Data interaction between centers.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 19391 Global Positioning System (GPS) terms and definitions

GB/T 27606 GNSS compatible receiver data autonomous exchange format

BDS-SIS-ICD-2.1 Beidou satellite navigation system spatial signal interface control file public service signal (version 2.1)

BDS-SIS-ICD-B3I-1.0 Beidou satellite navigation system spatial signal interface control file public service signal B3I (version 1.0)

GLONASS-ICD-5.0 Global Navigation Satellite System GLONASS Interface Control File (Globalnavigationsatelite systemGLONASSinterfacecontroldocumentnavigationalradiosignalinbandsL1,L2edition5.0)

GPS-SPS-SS2.4.3 Global Positioning System Standard Positioning Service Signal Standard (Version 2.4.3) (Globalpositioningsystem Standardpositioningservicesignalspecificationedition2.4.3)

OS-SIS-ICD-1.2 European GNSS Open Service Space Signal Interface Control File (Version 1.2) (EuropeanGNSSopen Servicesignalinspaceinterfacecontroldocumentissue1.2)

RINEX3.01 Receiver Autonomous Data Exchange Format (version 3.01) (Receiverindependentexchangeformatversion 3.01)

RTCM10402.4 Differential Data GNSS Service Standard (2nd Edition) [DifferentialGNSS(GlobalNavigationSatel-liteSystems)serivcesversion2]

RTCM10403.3 Differential Data GNSS Service Standard (3rd Edition) [DifferentialGNSS(GlobalNavigationSatel-liteSystems)servicesversion3]

3 Terms and definitions

The following terms and definitions as defined in GB/T 19391 apply to this document.

3.1 Satellite navigation ground enhancement system

It is mainly composed of a base station, a communication network system, a data processing center, a data distribution system, a user terminal, etc., and broadcasts through broadcast. A system in which satellites enhance signals to improve the accuracy and integrity of satellite navigation.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 104 pages — is available in the English PDF.

Referenced standards

Normative references

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