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Spirent Upgrades its GNSS Simulator for Dynamic Vehicles

Spirent Communications has enhanced its GSS9000 Series to further extend its position as the industry’s most precise and realistic GNSS constellation simulator.

SpirentAmong the enhancements, a doubling of the update rate capability means the GSS9000 series now offers an unrivaled ability to recreate operations more precisely and realistically, reducing uncertainty in positioning, navigation and timing (PNT) testing.

“Our dedicated hardware and powerful software solutions are built specifically with PNT test in mind – to improve accuracy, increase flexibility and provide high-performing systems to meet customer needs,” said Spirent Director of PNT Simulation, Adam Price. “These latest enhancements to the GSS9000 continue to raise the bar for highly flexible and scalable solutions that enable our customers to stay ahead of their competition.”

“Spirent’s leadership in GNSS testing comes from the combination of our unrivaled heritage and deep understanding of the PNT market, alongside our continuing commitment to improving test capabilities for customers,” said Spirent Product Line Manager for High-End Applications, Ricardo Verdeguer Moreno. “By working closely with customers, we can better understand the challenges they face, and these latest enhancements to the GSS9000 series demonstrate how we are continuing to help customers reduce uncertainty by providing more accurate operations, without impacting system performance.”

The latest developments provide the GSS9000 series with the ability to run simulations at a software and hardware update rate of up to 2 kHz, improving the accuracy of the simulated trajectory without compromising performance.

The increased update rate also delivers lower latency for hardware-in-the-loop (HIL) testing, further reinforcing the GSS9000’s position as the industry’s most accurate and realistic test instrument.

Other enhancements to the GSS9000 Series include:

  • Extended Scenario Duration – In a simulation environment, where control and repeatability are key for a realistic representation of the mission, reducing the number of user inputs is essential. The new update will extend the available scenario duration to 65 days, using the same initial conditions for the simulation throughout testing to deliver uninterrupted high-performance simulation for longer.
  • Enhanced Embedded Interference Capabilities  To provide greater power and flexibility in interference testing, Spirent has improved support for interference testing on wide spectrum signals, increased bandwidth resolution and repetition rates, and added variable bandwidth control on additive white Gaussian noise (AWGN).


Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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