GB/T 39414.3-2020 English PDF

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GB/T 39414.3-2020: Interface specification for signal in space of BeiDou navigation satellite system - Part 3: Open service signal B1I
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GB/T 39414.3-2020	1079	Add to Cart	7 days	Interface specification for signal in space of BeiDou navigation satellite system - Part 3: Open service signal B1I	Valid

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Basic data

Standard ID: GB/T 39414.3-2020 (GB/T39414.3-2020)
Description (Translated English): Interface specification for signal in space of BeiDou navigation satellite system - Part 3: Open service signal B1I
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V04
Classification of International Standard: 49.020
Word Count Estimation: 58,549
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39414.3-2020: Interface specification for signal in space of BeiDou navigation satellite system - Part 3: Open service signal B1I

---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.
Interface specification for signal in space of BeiDou navigation satellite system-Part 3.Open service signal B1I ICS 49.020 V04 National Standards of People's Republic of China Beidou satellite navigation system space signal interface specification Part 3.Public Service Signal B1I 2020-11-19 released 2021-06-01 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 Abbreviations 1 4 Overview of Beidou system 2 4.1 Space Constellation 2 4.2 Coordinate System 2 4.3 Time System 3 5 Signal specification 3 5.1 Signal structure 3 5.2 Signal characteristics 3 5.3 Ranging code characteristics 4 6 Navigation message 7 6.1 Overview of navigation messages 7 6.2 D1 Navigation Message 11 6.3 D2 Navigation Message 30 7 Compliance verification method 53 7.1 Overview 53 7.2 Signal characteristics verification method 54 7.3 Methods for verifying the characteristics of the ranging code 54 7.4 Verification method of navigation message structure 54 7.5 Verification method of navigation message parameter algorithm 54

Foreword

GB/T 39414 "Beidou Satellite Navigation System Space Signal Interface Specification" is divided into 4 parts. ---Part 1.Public service signal B1C; ---Part 2.Public service signal B2a; ---Part 3.Public service signal B1I; ---Part 4.Public service signal B3I. This part is Part 3 of GB/T 39414. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the Equipment Development Department of the Central Military Commission. This part is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC544). Drafting organizations of this section. China Satellite Navigation Engineering Center, China Aerospace Standardization Institute, Beijing Satellite Navigation Center, China Aerospace Science The Fifth Research Institute of Technology Group Corporation, the Institute of Microsatellite Innovation of the Chinese Academy of Sciences, and the China Aerospace Electronics Technology Research Institute. The main drafters of this section. Su Chengeng, Gao Weiguang, Lu Yun, Wu Hailing, Ruan Hang, Wang Weijia, Liu Xunan, Gao Yang, Liu Dongliang, Chen Ying, Yu Xiao, Ma Zhichao, Dong Haiqing, Li Guang.

Introduction

The Beidou satellite navigation system is divided into three stages of construction and development. Beidou-1, Beidou-2 and Beidou-3.Beidou Satellite Navigation System The previously released public service signals include B1I, B2I, B3I, B1C and B2a. Among them, the B1I and B3I signals are on Beidou 2 and Beidou 3 Broadcast on medium-circular earth orbit (MEO) satellites, tilted geosynchronous orbit (IGSO) satellites and geostationary orbit (GEO) satellites, providing Open services; B2I signals are broadcast on all Beidou-2 satellites to provide public services and will be replaced by B2a signals on Beidou-3 satellites; B1C and B2a signals are broadcast on Beidou-3 Medium Earth Orbit (MEO) satellites and Tilted Geosynchronous Orbit (IGSO) satellites to provide public services. This part of GB/T 39414 mainly defines the relevant internal information of the public service signal B1I between the Beidou system space constellation and the user terminal. Content, including space signal radio frequency characteristics, ranging code, navigation message structure, navigation message parameters and user algorithm, etc., can be used as Beidou satellite navigation An important basis for product design, development and application. Beidou satellite navigation system space signal interface specification Part 3.Public Service Signal B1I

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 ......

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