CEN/CLC/JTC 5/WG 9 - Galileo Timing Receivers
The development and publication of the European Standard “Space - Galileo Timing Receiver - Functional and Performance Requirements and associated Tests.
Galileo Timing Receivers
The development and publication of the European Standard “Space - Galileo Timing Receiver - Functional and Performance Requirements and associated Tests.
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CEN/CLC/JTC 5/WG 9 is a Working Group within the European Committee for Standardization (CEN). It is named "Galileo Timing Receivers" and is responsible for: The development and publication of the European Standard “Space - Galileo Timing Receiver - Functional and Performance Requirements and associated Tests. This committee has published 1 standards.
CEN/CLC/JTC 5/WG 9 develops CEN standards in the area of Information technology. The scope of work includes: The development and publication of the European Standard “Space - Galileo Timing Receiver - Functional and Performance Requirements and associated Tests. Currently, there are 1 published standards from this working group.
The European Committee for Standardization (CEN) is a public standards organization that brings together the national standardization bodies of 34 European countries. CEN provides a platform for developing European Standards (ENs) and other technical documents in relation to various products, materials, services, and processes, supporting the European Single Market.
A Working Group in CEN is a specialized group responsible for developing standards or technical work within a defined scope. These bodies bring together international experts to create consensus-based standards that support global trade, safety, and interoperability.
This document is intended to stablish and define functional and performance requirements and associated tests for Galileo Timing Receivers. This document covers the following topics related to Galileo Timing Receivers:
- GNSS constellations and frequencies processed: Galileo plus additionally GPS, with nominal mode being dual-frequency processing,
- Time scales processed, including at least Galileo System Time and Universal Time Coordinate,
- User dynamics, with two operation modes: static users with well-known and static antenna position and dynamics users with moving antenna,
- Holdover devices,
- Nominal and back-up modes, including single-frequency modes, single-constellation modes and holdover mode.
- Processing of timing integrity information disseminated by the Galileo System,
- Time Receiver Autonomous Integrity Monitoring processing,
- Anti-jamming and anti-spoofing capabilities, including Automatic Gain Control monitoring and Galileo Open Service Navigation Message Authentication processing,
- Robustness to multipath.
In addition, this document gives guidelines for the installation and maintenance of the receiver, including antenna, cabling and receiver installation, initial and periodic receiver calibration, and periodic maintenance.
On top of the functional requirements, performance requirements this document defines in terms of different key performance indicators such as:
- Accuracy, availability, continuity and integrity requirements,
- T-RAIM performances, including time to alert,
- Holdover performances including maximum degradation of the timing solution with time and maximum holdover time,
This document also gives a simple test suite to verify the most fundamental requirements of the Galileo Timing Receivers.
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