GB/T 39414.4-2020 English PDFUS$1149.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 39414.4-2020: Interface specification for signal in space of BeiDou navigation satellite system - Part 4: Open service signal B3I Status: Valid
Basic dataStandard ID: GB/T 39414.4-2020 (GB/T39414.4-2020)Description (Translated English): Interface specification for signal in space of BeiDou navigation satellite system - Part 4: Open service signal B3I Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: V04 Classification of International Standard: 49.020 Word Count Estimation: 62,640 Date of Issue: 2020-11-19 Date of Implementation: 2021-06-01 Quoted Standard: GB/T 39267 Regulation (derived from): National Standard Announcement No. 26 of 2020 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration Summary: This standard specifies the signal characteristics and navigation message structure of the open service signal B3I between the Beidou satellite navigation system (hereinafter referred to as the Beidou system) space constellation and the user terminal. This standard applies to the development, production and inspection of satellite navigation products using B3I signals. GB/T 39414.4-2020: Interface specification for signal in space of BeiDou navigation satellite system - Part 4: Open service signal B3I---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. (Beidou Satellite Navigation System Space Signal Interface Specification Part 4: Public Service Signal B3I) ICS 49:020 V04 National Standards of People's Republic of China Beidou satellite navigation system space signal interface specification Part 4: Public Service Signal B3I 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsForeword 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 57 7:1 Overview 57 7:2 Signal characteristics verification method 58 7:3 Verification method of ranging code characteristics 58 7:4 Verification method of navigation message structure 58 7:5 Verification method of navigation message parameter algorithm 58ForewordGB/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 4 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, Chinese Academy of Sciences, and China Aerospace Electronics Technology Research Institute: The main drafters of this section: Su Chengeng, Ruan Hang, Gao Weiguang, Lu Yun, Wu Hailing, Wang Weijia, Gao Yang, Liu Xunan, Kang Dengbang, Cao Kunmei, Ma Zhichao, Dong Haiqing, Dai Yongshan:IntroductionThe Beidou satellite navigation system is divided into three stages of construction and development: Beidou-1, Beidou-2 and Beidou-3: Beidou satellite navigation system is now The public service signals that have been issued include B1I, B2I, B3I, B1C and B2a: Among them, the B1I and B3I signals are in the Beidou 2 and Beidou 3 Broadcast on medium-circular earth orbit (MEO) satellites, tilted geosynchronous orbit (IGSO) satellites, and geostationary orbit (GEO) satellites, providing public Open service; 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, providing public Open service: This part of GB/T 39414 mainly defines the relevant internal information of the public service signal B3I 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 4: Public Service Signal B3I1 ScopeThis 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 service signal B3I: This part applies to the development, production and inspection of satellite navigation products using B3I signals:2 Normative referencesThe following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: 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 (AgeofData, Clock) AODE: Ephemeris data age (AgeofData, Ephemeris) BDCS: BeiDou Coordinate System (BeiDou Coordinate System) BDS: BeiDou Navigation Satellite System (BeiDouNavigationSateliteSystem) BPSK: Binary Phase Shift Keying (BinaryPhaseShiftKeying) CDMA: Code Division Multiple Access (CodeDivision Multiple Access) CGCS2000:2000 China Geodetic Coordinate System (ChinaGeodeticCoordinateSystem2000) GEO: Geostationary Earth Orbit (GeostationaryEarthOrbit) GIVE: gridpoint ionospheric vertical delay correction error (GridpointIonosphericVerticaldelayError) GIVEI: gridpoint ionospheric vertical delay correction error index (GridpointIonosphericVerticaldelayErrorIndex) GLONASS: GLONASS Satellite Navigation System (GlobalNavigationSateliteSystem) GPS: Global Positioning System (GlobalPositioningSystem) IERS: International Earth Rotation Reference System Service (International Earth Rotation and Reference Systems Service) IGP: Ionospheric GridPoint (IonosphericGridPoint) IGSO: Inclined Geosynchronous Orbit (InclinedGeoSynchronousOrbit) IPP: Ionospheric PiercePoint IRM: IERS Reference Meridian (IERSReferenceMeridian) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 39414.4-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 39414.4-2020_English as soon as possible, and keep you informed of the progress. 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