GB/T 39414.3-2020Interface specification for signal in space of BeiDou navigation satellite system—Part 3: Open service signal B1I (English PDF)
北斗卫星导航系统空间信号接口规范 第3部分：公开服务信号B1I
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
June 1, 2021
Scope
GB/T 39414.3-2020 is the English-translated version of 北斗卫星导航系统空间信号接口规范 第3部分：公开服务信号B1I.
GB/T 39414.3-2020 is the Chinese standard "Interface specification for signal in space of BeiDou navigation satellite system—Part 3: Open service signal B1I".
Its scope clause reads: This part of GB/T 39414 specifies the communication between the Beidou satellite navigation system (hereinafter referred to as the Beidou system) space constellation and the user terminal.
The signal characteristics and navigation message structure of the open service signal B1I. This part applies to the development, production and inspection of satellite navigation products using B1I signals. Its clauses include terms and definitions, abbreviations.
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Document preview — GB/T 39414.3-2020
National Standard of the People's Republic of China
- ICS
- 49.020
- Classification
- V 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions, abbreviations
- 3.1 Terms and definitions
- 3.2 Abbreviations
- 4 Overview of Beidou system
- 4.1 Space Constellation
- 4.2 Coordinate System
- 4.3 Time System
- 5 Signal specification
- 5.1 Signal structure
- 5.2 Signal characteristics
- 5.3 Ranging code characteristics
- 6 Navigation message
- 6.1 Overview of navigation messages
- 6.2 D1 Navigation Message
- 6.3 D2 Navigation Message
- 7 Compliance verification method
- 7.1 Overview
- 7.2 Signal characteristics verification method
- 7.3 Methods for verifying the characteristics of the ranging code
- 7.4 Verification method of navigation message structure
- 7.5 Verification method of navigation message parameter algorithm
1 Scope
This part of GB/T 39414 specifies the communication between the Beidou satellite navigation system (hereinafter referred to as the Beidou system) space constellation and the user terminal.
The signal characteristics and navigation message structure of the open service signal B1I.
This part applies to the development, production and inspection of satellite navigation products using B1I signals.
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
3 Terms and definitions, abbreviations
3.1 Terms and definitions
The terms and definitions defined in GB/T 39267 apply to this document.
3.2 Abbreviations
The following abbreviations apply to this document.
AODC. Clock data age
AODE. Ephemeris data age
BDCS. Beidou Coordinate System
BDS. Beidou Satellite Navigation System […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 50 pages — is available in the English PDF.
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Related Standards
GB/T 39414.1-2020 — Interface specification for signal in space of Beidou navigation satellite system—Part 1: Open service signal B1C
GB/T 39414.2-2020 — Interface specification for signal in space of BeiDou navigation satellite system—Part 2: Open service signal B2a
GB/T 39414.4-2020 — Interface specification for signal in space of BeiDou navigation satellite system—Part 4: Open service signal B3I
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GB/T 39414.3-2020
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