Semiconductor Equipment

Spirent’s test solution supports EU global navigation satellite system

17 November 2021

The first commercially available simulation test solution for the Galileo High Accuracy Service, part of the European Union’s global navigation satellite system (GNSS) now in development, has just been announced by British multinational telecommunications testing company Spirent Communications.

According to the European Union Agency for the Space Programme (EUSPA), Galileo already serves two billion phones and over 15 million cars, along with delivering critical emergency services information. The Galileo vision encompasses a variety of service levels to be provided free of charge, including an Open Service for mass market use, a Public Regulated Service for government use and emergency response, an international Search and Rescue (SAR) service and the aforementioned High Accuracy Service (HAS). The latter is designed for applications requiring higher accuracy, offering precise point positioning corrections and real-time positioning performance with an error tolerance of less than two decimeters (approximately 8 inches).

A press release from Spirent notes that the new solution enables developers to test devices against a simulated version of Galileo HAS, to ensure they can optimally capture the emerging capability when it becomes available. It also provides a path for early adopters to utilize and incorporate Galileo HAS as soon as possible.

Spirent collaborated with GMV, a leader in GNSS high-accuracy technologies, to develop the new capability. Earlier this year, GMV was awarded the contract for implementation of the Galileo High Accuracy Data Generator (HADG), which will provide the corrections data to enable Galileo HAS.

A case study available for download on Spirent’s website delves into more of the company’s long involvement with Galileo. Europe’s largest satellite manufacturer, Thales Alenia Space, used Spirent radio frequency constellation simulators (RFCS) to assist with the development of Galileo receivers during the in-orbit verification (IOV) phase. As systems support provider for the full operational capability (FOC) phase, Thales Alenia Space Italy used a customized version of the Spirent GSS8000 RF Multi-Constellation Simulator to deliver Galileo signal and test scenario simulation. Along with differential corrections and error generation, these included atmospheric effects, multipath reflections and terrain obscuration; antenna reception gain and phase patterns; and trajectory generation for land, air, sea and space vehicles. The GSS8000 has since been superseded by the GSS9000 Series GNSS Simulator.

More information about Spirent’s full line of positioning, navigation and timing (PNT) simulation systems is available here.

To contact the author of this article, email engineering360editors@globalspec.com


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