How to Simulate Realistic GNSS Environments
How to Simulate Realistic GNSS Environments
Global Navigation Satellite System (GNSS) receivers must operate reliably across a wide range of environments, from open skies to dense urban areas where buildings, obstructions, and interference can affect satellite signal reception.
Validating receiver performance under these conditions can be challenging. Live-sky testing exposes receivers to realistic satellite signals, but environmental conditions, satellite visibility, and signal quality are constantly changing. This makes it difficult for engineers to reproduce specific scenarios, isolate performance issues, or compare receiver behavior across different test runs.
GNSS Simulation Solution
GNSS simulation enables engineers to recreate satellite signal conditions in a controlled laboratory environment, providing a repeatable alternative to live-sky testing.
Using a GNSS simulator, engineers can define satellite constellations, receiver trajectories, signal levels, and environmental conditions to evaluate receiver performance across a range of operating scenarios. Depending on the simulator's capabilities, tests can incorporate satellite visibility changes, signal attenuation, multipath, and interference effects.
By reproducing these conditions in the laboratory, engineers can investigate receiver acquisition, tracking, positioning accuracy, and navigation performance using consistent test scenarios.
The ability to repeat identical conditions allows development teams to isolate receiver issues, compare design changes, and validate performance more efficiently.
The result is a more controlled and efficient GNSS validation process that combines realistic satellite signal simulation with the repeatability needed for systematic receiver testing.
See Block Diagram of PNT X GNSS Simulation
Explore Products in our GNSS Emulation Portfolio
-
![]()
PNTX100A PNT X
-
![]()
PNT7000A PNT GSS7000
-
![]()
PNTXE100A PNT Xe Simulation System
Discover Resources and Insights
Additional Resources for GNSS Simulation
Related Use Cases
-
![]()
Learn More
How to Measure Phased Array Radiation Patterns
Measure phased array radiation patterns, beamwidth, sidelobes, gain, and polarization using compact-range over-the-air testing.
Learn More
-
![]()
Learn More
How to Choose a GNSS Simulator for Realistic Test Results
Learn how to evaluate a Global Navigation Satellite System (GNSS) simulator based on the quality, accuracy, and reliability of its generated signals. Examine the measurement considerations that help distinguish errors originating in the device under test from errors introduced by the simulator to support realistic, repeatable GNSS testing.
Learn More
-
![]()
Learn More
How to Validate GNSS Receivers in Production
Ensure reliable and repeatable Global Navigation Satellite System (GNSS) receiver testing on the production line with Keysight PNT Xe. Discover how controlled GNSS signal simulation helps manufacturers overcome inconsistent live-satellite testing conditions, accurately validate receiver performance, and improve pass/fail confidence. By enabling consistent test scenarios, PNT Xe helps reduce unnecessary retesting, streamline production workflows, and support efficient, cost-effective GNSS testing at scale.
Learn More
Get in Touch with One of Our Experts
Need help finding the right solution for you?