How to Test GNSS Receiver Sensitivity

Signal Studio for Global Navigation Satellite Systems (GNSS)
MXG X-Series RF Vector Signal Generator, 9 kHz to 6 GHz
+ Signal Studio for Global Navigation Satellite Systems (GNSS)
+ MXG X-Series RF Vector Signal Generator, 9 kHz to 6 GHz

Testing GNSS receiver performance using emulation

Evaluating a global navigation satellite system (GNSS) receiver requires an accurate signal generator capable of simulating repeatable signals from many different satellites. The signal generator must create waveforms with different time delays, Doppler shifts, and power levels for accurately testing a GNSS receiver.

Being able to adjust these particular parameters of the generated signal makes it possible to evaluate a receiver's sensitivity to the desired signal and how susceptible it is to signals around it. At other times there may be a need to test a receiver within multiple constellations. In these instances, simulator software is an essential tool to evaluate GNSS receiver performance prior to development.

Signal Studio for Global Navigation Satellite System and N5182B MXG signal generator

Global Navigation Satellite Systems (GNSS) test solutions

Testing GNSS receiver sensitivity requires simulation of global positioning system (GPS), global navigation satellite system (GLONASS), Galileo satellite system, BeiDou navigation satellite system, and satellite-based augmentation system (SBAS) signals. The Keysight N5182B signal generator and PathWave signal generation software reproduce real-world scenarios as complex as tracking a moving car to more simplified stationary applications. The solution supports simulation of multiple satellites, a variety of GNSS constellations, real-time power adjustments, and user-generated scenarios.

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