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GB/T 45526-2025: Specification for corrections product of BDS/global navigation satellite system(GNSS) precise point positioning real-time kinematic state space representation
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| GB/T 45526-2025 | English | 1019 |
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Specification for corrections product of BDS/global navigation satellite system(GNSS) precise point positioning real-time kinematic state space representation
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GB/T 45526-2025
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PDF similar to GB/T 45526-2025
Basic data | Standard ID | GB/T 45526-2025 (GB/T45526-2025) | | Description (Translated English) | Specification for corrections product of BDS/global navigation satellite system(GNSS) precise point positioning real-time kinematic state space representation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V04 | | Classification of International Standard | 49.020 | | Word Count Estimation | 50,579 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-04-25 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45526-2025: Specification for corrections product of BDS/global navigation satellite system (GNSS) precise point positioning real-time kinematic state space representation
---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.
ICS 49.020
CCSV04
National Standard of the People's Republic of China
Beidou/Global Navigation Satellite System (GNSS) real-time
Specifications for dynamic precise point positioning state domain correction products
Released on 2025-04-25
2025-04-25 implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Abbreviations 1
5 Information Content 2
5.1 Information content structure 2
5.2 Orbit correction information 8
5.3 Clock Correction Information 9
5.4 User ranging accuracy information 10
5.5 Code deviation correction information 11
5.6 Phase deviation correction factor 12
5.7 Ionospheric delay correction information 13
5.8 Tropospheric delay correction information 20
6 Accuracy requirements 26
6.1 Orbital Correction Accuracy Requirements26
6.2 Accuracy requirements for clock corrections 26
6.3 Space signal user ranging error accuracy requirements 26
6.4 Code deviation correction number accuracy requirements 27
6.5 Phase deviation correction accuracy requirements 27
6.6 Accuracy requirements for ionospheric delay corrections 27
6.7 Accuracy requirements for tropospheric delay corrections 28
6.8 PPP-RTK positioning performance requirements 28
7 Test Methods 28
7.1 Calculation of orbit correction accuracy 28
7.2 Calculation of the accuracy of clock corrections 29
7.3 Calculation of Space Signal User Ranging Error Accuracy 29
7.4 Calculation of code deviation correction accuracy 30
7.5 Calculation of Phase Deviation Correction Accuracy 30
7.6 Calculation of the accuracy of ionospheric delay corrections 31
7.7 Calculation of the accuracy of tropospheric delay corrections 31
7.8 PPP-RTK positioning performance test method 32
Appendix A (Normative) Algorithm Model 34
A.1 State Space Representation 34
A.2 State Domain Correction Calculation 34
A.3 Application 42
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the Equipment Development Department of the Central Military Commission.
This document is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC544).
This document was drafted by. Institute of Space Information Innovation, Chinese Academy of Sciences, Shanghai Jiaotong University, Wuhan University, China Satellite Navigation Engineering Center
Center, Qilu Aerospace Information Research Institute, China Satellite Navigation System Management Office, Zhejiang Spacetime Daoyu Technology Co., Ltd., Beijing Beidouxing Navigation
Navigation Technology Co., Ltd., Qianxun Location Network Co., Ltd., Shanghai Huace Navigation Technology Co., Ltd., Shanghai Sinan Navigation Technology Co., Ltd.
Co., Ltd., China Space-Time Information Group Co., Ltd., Institute of Precision Measurement Science and Technology Innovation of the Chinese Academy of Sciences, Harbin Engineering University
Zhejiang University of Science and Technology, Southeast University, China Telecom Satellite Communications Co., Ltd., Beidou Application Development Research Institute, China Mobile Intelligent Driving Network Technology Co., Ltd.
Technology Co., Ltd. and Smart City Research Institute of China Unicom.
The main drafters of this document are. Li Zishen, Wang Ningbo, Li Jianwen, Wang Liang, Liu Bingcheng, Xiang Yan, Hu Zhigang, Liu Ying, Jiao Wenhai, Wang Chenglong,
Hou Furong, Wang Liangliang, Zhao Wen, Wang Jian, Ji Guofeng, Wan Lihua, Su Hong, Li Xiao, Yuan Yunbin, Liu Teng, Li Liang, Pan Shuguo, Wang Chenxu, Meng Qingbo,
Wang Zhiyu, Li Ang, Chen Hao, Lü Zhen, Li Yang, Wang Shengzhe, Yu Qi, Wang Liuqi, Wei Kai, Li Pu, Liu Ang, Zhang Jing, Zhao Jiajia, Kang Ning, Hou Jie, Jiang Xin,
Sainan Yang, Bo Gu, Shan Yang, Chenfeng Jing, Songchuan Liu.
BeiDou/Global Navigation Satellite System (GNSS) real-time
Specifications for dynamic precise point positioning state domain correction products
1 Scope
This document specifies the information content, accuracy requirements, and other requirements of the BeiDou/Global Navigation Satellite System real-time dynamic precise point positioning status domain correction products.
The test method is described.
This document is applicable to the Beidou/global satellite navigation system real-time precise dynamic positioning, precise time and frequency transmission and other spatiotemporal information enhancement services.
The generation, dissemination and use of state domain correction information.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 39267 Beidou Satellite Navigation Terminology
GB/T 44175.1-2024 Global Continuous Monitoring and Assessment System (iGMAS) real-time service Part 1.Data stream format
GB/T 44175.2-2024 Global Continuous Monitoring and Assessment System (iGMAS) Real-time Service Part 2.Product Format
3 Terms and definitions
The terms and definitions defined in GB/T 39267 and the following apply to this document.
3.1
State space representation
State-space characterization of error sources in satellite navigation precision positioning.
Note. The error sources are decomposed into independent error vectors such as satellite orbit, satellite clock error, code bias, phase bias, ionospheric delay and tropospheric delay.
3.2
Observation Space Expression
Observation space of error source characteristics in satellite navigation precision positioning.
NOTE. The error sources are characterized as common-mode errors in the pseudorange and carrier phase observations.
3.3
The satellite navigation receiver terminal corrects the information in the state domain (including satellite orbit, satellite clock error, code deviation, phase deviation, ionospheric delay, etc.)
delay, tropospheric delay, etc.), to achieve a real-time positioning method in which the ambiguity of the user terminal is quickly fixed.
4 Abbreviations
The following abbreviations apply to this document.
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