GNSS Simulator: Specialized in Signal Processing, Communication & Control Systems

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Key Features

Support for all global satellite navigation systems (GPS, IRNSS, GLONASS, Galileo, BeiDou and QZSS)

60 configurable satellites per RF Signal Generator

Hardware-in-the-loop (HIL) realtime simulation of the vehicle dynamics position, velocity, jerk and acceleration

Trajectory Simulation: Static and Dynamic (KML and NMEA)

Integrated MAP view for the simulated co-ordinates

Real-time satellite power level and on/off control for individual satellites

Easy to use graphical user interface and Remote API support

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NavikEye GNSS Simulator + Sensor Simulation

Advanced GNSS simulation with multi-constellation and multi-band capabilities ideal for GNSS testing in Automotive, Defense and Aerospace applications. NavikEye Multi-constellation GNSS simulator is scalable and fully customizable software for GNSS test and measurements at every stage of the product development cycle from design, production to deployment.

MaxEye GNSS Simulator

Advanced GNSS Simulation with multi-constellation and multi-band capabilities ideal for GNSS testing in Automotive, Defense and Aerospace applications. NavikEye Multi-constellationGNSS simulator is scalable and fully customizable software for GNSS test and measurements at every stage of the product development cycle from design, production to deployment.

NavikEye Multi-constellation GNSS Simulator offersrealtime generation of various global satellite navigation signals including dynamic scenarios and HIL simulation. The scenario generation can be fully automated using the remote TCP commands via Ethernet. This enables the implementation of dynamic HIL environment. The HIL test system can feed the realtime location coordinates, velocity and other vehicle dynamics to the GNSS Simulator. Based on this GNSS simulator updates the receiver position in realtime.

The simulator supports moving receiver scenarios with predefined waypoints using NMEA and KML files.NavikEye GNSS Simulator is based on National Instruments scalable and software defined PXI architecture powered by LabVIEW.

GNSS Constellations

Feature	Constellation	Frequency band	Signal	Frequency (MHz)	Chip Rate (MHz)
Supported Constellations	GPS GLONASS L1 Galileo E1 BeiDou B1 QZSS IRNSS (NavIC)	L1 L1 L1 L1 L1 L5	C/A C/A B and C I C/A SPS	1575.420 1602.000 1575.420 1561.098 1575.420 1176.450	1.023 0.511 1.023 2.046 1.023 1.023

GNSS Simulator Specifications

Feature	Value	Comments
Number of Simulated Satellites	60	Simultaneous generation of up to 42 channels from one RF output
Number of RF outputs	1	-
HIL streaming rate	50 Hz	-
HIL Latency	20 ms	-
Elevation Angle	0 to 90°	Removes the satellites from the visible satellites based on the user specified elevation angle value
Signal Dynamics	-	-
Velocity	1000 Kmph	-
Acceleration	0	-
Jerk	-	-
Simulation time	• User Configurable Time and Date (UTC) or System Time • Leap second simulation	-
Trajectory configuration	• Dynamic waypoint files • KML and NMEA Formats • Static	-
Satellite Vehicle Parameters	• Individual satellites ON/OFF • Individual satellites power control	-
Interference	• GNSS + CW • GNSS + AWGN • GNSS + CW + AWGN	-
Signal Accuracy	-	-
Pseudorange	± 0.0001 m	Uncertainty in the phase offset calculated from the range
Pseudorange rate	± 0.001 m/s	Uncertainty in the simulation of the Doppler shift calculated from the range rate
Interchannel bias	0	Uncertainty in the carrier phase of any two satellites

GNSS Simulator Specifications(Instrument Dependent)

Parameters	AST-1000 (Vector Signal Transceiver)	NI PXIe-5840 (Vector Signal Transceiver)	NI PXIe-5644R/NI PXIe-5645R/ NI PXIe-5646R (Vector Signal Transceiver)	NI PXIe-5672 (Vector Signal Generator)	NI PXIe-5673E (Vector Signal Generator)	USRP-2920 USRP-2922 USRP-2930 USRP-2932(RF Transceiver)	USRP-2940R USRP-2942R USRP-2950R USRP-2944R USRP-2952R USRP-2954R (RF Transceiver)
Number of Constellations	Multi-Constellation	Multi-Constellation	Multi-Constellation	Single-Constellation	Single-Constellation	Single-Constellation	Multi-Constellation
Number of Satellites per RF output	60	60	36	12	12	12	36
Number of RF outputs	1 to 4	1	1	1	1	1	2
Frequency Range	9 KHz to 6GHz	9 KHz to 6GHz	65 MHz to 6 GHz	250 kHz to 2.7 GHz	50 MHz to 6.6 GHz	50 MHz to 2.2 GHz (2920/2930) 400 MHz to 4.4 GHz (2922/2932)	50 MHz to 2.2 GHz (2940R/2950R) 400 MHz to 4.4 GHz (2942R/2952R) 10 MHz to 6 GHz (2944R/2954R)
Initial Frequency Accuracy	± 200 x 10 -9	± 200 x 10 -9	± 200 x 10 -9	± 50 ppb	± 3 x 10-6	2.5 ppm	2.5 ppm
Power Level Accuracy (Typical)	± 0.45 dB	± 0.45 dB	± 0.5 dB	± 1.0 dB	± 0.6 dB	-	-
RF Output Harmonics	-32 dBc @15dBm	-32 dBc @15dBm	-30 dBc @<5dBm	-35 dBc, maximum @0dBm	-30 dBc, maximum	-	-
RF Output Nonharmonic Spurious	-63 dBc Offset ≤ 1MHz	-63 dBc Offset ≤ 1MHz	-75 dBc Offset ≤ 1MHz	-58 dBc, maximum @0dBm	-51dBc, maximum	-	-
Phase Noise @ 20KHz offset	-102dBc/Hz	-102dBc/Hz	-99 dBc/Hz	-102dBc/Hz	-105 dBc/Hz	-	-
Output Average Noise Density @-30dBm power (Typical)	-165 dBm/Hz	-165 dBm/Hz	-168 dBm/Hz	-150 dBm/Hz	-152 dBm/Hz	-	-
Operating temperature range	0°C to 45°C	0°C to 45°C	0°C to 55°C	0°C to 55°C	0°C to 55°C	23°C ± 5°C	23°C ± 5°C
RF Output Connector Type	SMA Female	SMA Female	SMA Female	SMA Female	SMA Female	SMA Female	SMA Female
Recommended Application	Production, R&D, Functional and Performance Test	Production, R&D, Functional and Performance Test	Production, R&D, Functional and Performance Test	Production, R&D, Functional and Performance Test	Production, R&D, Functional and Performance Test	Production, R&D, Functional Test	Production, R&D, Functional Test

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Key Features - Generation

Supports both MAC and PHY layer signal configuration

Frame Formats: Data Frame, Beacon Frame, Acknowledgement Frame and MAC Command Frame

Generation of various frame formats including Data Frame, Beacon Frame, Acknowledgement Frame MAC Command Frame

Payload Types: PN Sequence, User Defined Bits, Test Pattern and From File

Supports multiple frames with user configurable inter frame spacing

Generation of multiple frames with user configurable inter frame spacing. The payload is continuous across frames. This enables receiver sensitivity tests with longer payload sequence.