GB/T 42428-2023Performance index and monitoring technical specification of GNSS augmentation service for transport (English PDF)
交通运输卫星导航增强服务性能指标及监测技术规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 17, 2023
Implementation date
July 1, 2023
Scope
GB/T 42428-2023 is the English-translated version of 交通运输卫星导航增强服务性能指标及监测技术规范.
GB/T 42428-2023 sets the performance figures a satellite navigation augmentation service used in transport has to meet, and the way those figures are monitored.
Its contents list covers the augmentation service framework, the service object, the service content and the service level classification, the user and access requirements, the announced performance requirements and the coordinate and time systems; then the four performance indicators defined in clause 3 - accuracy, integrity, continuity and availability - and the monitoring requirements, including the environment, the monitoring equipment and the monitoring method.
Clause 1 states that it applies to performance monitoring of road and waterway transport augmentation services, other transport modes taking it as a reference. Among the standards it quotes are GB/T 19391, GB/T 39267 and JT/T 1160.1. Issued on 17 March 2023, it has applied since 1 July 2023.
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Document preview — GB/T 42428-2023
National Standard of the People's Republic of China
- ICS
- 03.220.20
- Classification
- R 85
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Abbreviations
- 5 System overview and general requirements
- 5.1 Enhanced Service Framework
- 5.2 Service object
- 5.3 Service Content
- 5.4 Classification of service levels
- 5.5 Service User Requirements
- 5.6 Service Access Requirements
- 5.7 Advertisement performance requirements
- 5.8 Coordinate system and time system
- 6 Performance indicators
- 6.1 Indicator Composition
- 6.2 Precision
- 6.3 Integrity
- 6.4 Continuity
- 6.5 Usability
- 7 Indicator Monitoring Requirements
- 7.1 General requirements
- 7.2 Environmental requirements
- 7.3 Monitoring equipment
- 7.4 Monitoring method
- Reference
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.
1 Scope
This document specifies the overall requirements, performance indicators and indicator monitoring requirements for the enhanced services of transportation satellite navigation.
This document is applicable to road and waterway transportation satellite navigation enhanced service performance monitoring, and other transportation methods are used as a reference.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 19391 Global Positioning System (GPS) Terms and Definitions
GB/T 39267 Beidou Satellite Navigation Terminology
JT/T 1160.1 Transportation Satellite Navigation Augmented Application System Part 1: Information Data Elements
3 Terms and Definitions
The following terms and definitions defined in GB/T 19391, GB/T 39267 and JT/T 1160.1 apply to this document.
3.5 An integrated system for improving the performance (coverage, accuracy, integrity, continuity, availability, etc.) of navigation services provided by GNSS. [Source: JT/T 1160.1-2017, 3.1.3, modified]
3.1 Accuracy
It is used to characterize the degree to which the user observation value determined by the navigation system is close to or consistent with its true value.
3.2 Integrity
The ability to issue timely warnings (messages) to the user when the radio navigation system should not be used for navigation. [Source: GB/T 19391-2003, 2.40, modified]
3.3 Continuity
Within a specific period of time (under uninterrupted conditions), the system can provide the time to meet the specified service (accuracy and integrity) requirements Score. [Source: GB/T 39267-2020, 5.1.12, modified]
3.4 Availability
The percentage of time the system is able to meet accuracy, integrity, and continuity to the total operating time of the system.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 19391-2003 — The terms and definition related to global positioning system(GPS)
GB/T 39267-2020 — Terminology for BeiDou navigation satellite system (BDS)
JT/T 1160.1-2017 — GNSS augmentation system for transport--Part 1: Data element of information
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