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GB/T 46369-2025: Performance requirements and test methods for BeiDou navigation terminal
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GB/T 46369-2025: Performance requirements and test methods for BeiDou navigation terminal

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ICS 33.200 CCSM50 National Standards of the People's Republic of China Performance requirements of Beidou navigation receiver terminals and testing methods Published on 2025-10-05 Implemented on February 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions, Abbreviations 1 3.1 Terms and Definitions 1 3.2 Abbreviations 2 4.Classification and Composition 2 4.1 Classification 2 4.2 Composition 3 5 Requirements 3 5.1 Function 3 5.2 Performance 4 6.Test Methods 5 6.1 Test Conditions 5 6.2 Test Equipment Requirements 6 6.3 Testing Methods 6 6.4 Simulation Test Scenarios 8 6.5 Functions 8 6.6 Performance 12 Appendix A (Informative) Operating Signal Center Frequency and Occupied Bandwidth 22 Appendix B (Informative) GSA, GSV, ZDA, GNS and VTG Statement Formats 23 B.1 Statement Format Explanation 23 B.2 GSA---GNSS accuracy attenuation factor and satellites involved in positioning 23 B.3 GSV---GNSS Visual Satellite 25 B.4 ZDA---Time and Date 26 B.5 GNS---GNSS positioning data 26 B.6 VTG---Ground heading and ground speed 27 References 29

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China. This document was drafted by. China Electronics Technology Standardization Institute, Chengdu Anzeyou Technology Co., Ltd., and Beijing Beidou Navigation Technology Co., Ltd. Joint-stock limited company. The main drafters of this document are. Chen Qian, Du Hui, Wang Yigang, Chen Liang, and Jia Bowen. Performance requirements of Beidou navigation receiver terminals and testing methods

1 Scope

This document specifies the classification and composition, functional requirements, and performance requirements of BeiDou navigation receiver terminals, and describes the testing methods. This document applies to the design, development, production, and testing of Beidou navigation receiver terminals (hereinafter referred to as "navigation terminals").

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 20512 GPS Receiver Navigation and Positioning Data Output Format 3.Terms and definitions, abbreviations 3.1 Terms and Definitions The following terms and definitions apply to this document. 3.1.1 First fix time (timetofirstfix) ;TTFF The time required for a navigation terminal to start up and obtain a positioning result that meets the requirements. Note. Startup conditions include cold start and warm start. [Source. GB/T 19391-2003, 4.4, with modifications] 3.1.2 cold start Navigation terminals start up when there is no valid satellite ephemeris, satellite almanac, approximate time, or approximate location. [Source. GB/T 19391-2003, 2.72, with modifications] 3.1.3 hotstart The navigation terminal starts up when the satellite ephemeris, time, and approximate location are valid. [Source. GB/T 19391-2003, 2.74, with modifications] 3.1.4 re-acquisition time After a brief loss of lock on the received satellite navigation signal, the navigation terminal needs to recover the positioning result to meet the requirements. time. 3.1.5 cold start sensitivity The minimum signal strength required for a navigation terminal to capture satellite navigation signals and achieve normal positioning under cold start conditions. ...