The Spirent GSS7000 is a multi-frequency, multi-GNSS RF constellation simulator designed for testing and validating GNSS systems and devices in civil and commercial applications. It delivers high-precision, repeatable signal simulation in controlled environments.
 
Key Capabilities
Simulates multi-GNSS constellations (GPS, Galileo, GLONASS, BeiDou, QZSS, NavIC, SBAS)
Supports multi-frequency signal generation in a single system
Up to 256 channels per chassis
High accuracy:
0.3 mm pseudorange accuracy
Zero bias
Low phase noise
Flexible configuration via software licensing
Realistic scenario simulation including errors, interference, and spoofing
Repeatable and controlled testing environment
Future-ready for new GNSS signals and standards
 
Software Options
SimGEN™ – Advanced scenario creation and full control for R&D testing
SimREPLAYplus™ – Replay and analyze predefined scenarios
SimTEST™ – Simple setup for basic functional testing
 
Testing & Simulation Features
Real-world trajectory and motion simulation
Environmental effects:
Multipath
Ionosphere & troposphere
Interference and spoofing simulation
Hardware-in-the-loop (HIL) integration
Automation support for large-scale testing
 
System Flexibility
Configurable channel allocation across constellations
Supports single or dual RF setups
Upgradeable in-field (channels, licenses, features)
Compatible with existing Spirent simulation scenarios
 
Performance Highlights
Up to 1000 Hz simulation update rate
High dynamic motion support (velocity, acceleration, jerk)
Long simulation duration (up to 65 days)
Precise timing and signal alignment
 
Use Cases
GNSS receiver testing and validation
Automotive and autonomous systems
Aerospace and defense applications
R&D and certification testing