Click GNSS node, and specify Advanced Real-time Signal Generation Pro for Capability cell.
Keysight Signal Studio for GNSS will display the following Toolbar Functions and Parameters.
This button is used to disable (or enable) the query. It is inactive prior to playing the signal. If the query is disabled, the software will cease to report the playing status.
Choice: Basic Single Satellite Waveform | Basic Multi-satellite Waveform | Advanced Real-time Signal Generation | Advanced Real-time Signal Generation Pro
Default: Advanced Real-time Signal Generation
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Selects a pre-generated single satellite waveform file and downloads it to the instrument for playback. |
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| Basic Multi-Satellite Waveform | Selects a pre-generated multi-satellite waveform file and downloads it to the instrument for playback. |
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Loads in a scenario file and generates a real-time GNSS signal, or provides continuous real-time scenario generation based on the Scenario Generator node settings. The Scenario Source selection determines whether to use a file or continuous real-time generation. |
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Select the capability of GNSS signal simulation. Basic mode generates and downloads user defined single satellite waveform or multi-satellite waveform to instrument for playback. Advanced mode plays real-time navigation signal based on user selected scenario file or static signal based on satellite settings. Advanced Pro mode plays real-time GPS L1+L5 navigation signal with real-time scenario generation. |
Select the capability of GNSS signal simulation. Basic mode generates and downloads user defined single satellite waveform or multi-satellite waveform to instrument for playback. Advanced mode plays real-time navigation signal based on user selected scenario file or static signal based on satellite settings.
Range: -30.00 degrees to 30.00 degrees
Default: 5.00 degrees
Enter the angle above the horizon which constitutes valid satellite data. Satellites below this angle will not be used. Increasing this angle will reduce the number of visible satellites in the generated scenario.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:EMANgle <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:EMANgle?
Choice: No Model | NATO
Default: No Model
Select the troposphere model applied to satellite signals in the generated scenario.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:TROPosphere:MODEl NONE|NATO
[:SOURce]:RADio:GNSSPRO[:BBG]:TROPosphere:MODEl?
Choice: No Model | Klobuchar
Default: No Model
Select the Ionosphere model applied to satellite signals in the generated scenario.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:IONOsphere:MODEl NONE|KLOBuchar
[:SOURce]:RADio:GNSSPRO[:BBG]:IONOsphere:MODEl?
This property displays Alpha[n] and Beta[n] values configured for the selected Ionosphere Model.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:IONOsphere:ALPHa <index>,<value>
[:SOURce]:RADio:GNSSPRO[:BBG]:IONOsphere:ALPHa?
[:SOURce]:RADio:GNSSPRO[:BBG]:IONOsphere:BETA <index>,<value>
[:SOURce]:RADio:GNSSPRO[:BBG]:IONOsphere:BETA?
Choice: Static | Dynamic
Default: Static
Select the scenario type to be generated. Static scenario will be generated for a static GPS receiver with fixed longitude, latitude and altitude. Dynamic scenario will be generated for a moving GPS receiver based on the provided trajectory data.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:STYPe STATic|DYNamic
[:SOURce]:RADio:GNSSPRO[:BBG]:STYPe?
Select a NMEA message file for dynamic scenario creation, which contains GGA messages only or both GGA and RMC messages generated by a GPS receiver. The recommended sampling rate of input NMEA message file is 0.1 to 20 Hz. The minimum sampling points in the file is 3.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:NMEA:FILE "string"
[:SOURce]:RADio:GNSSPRO[:BBG]:NMEA:FILE?
Choice: Hold Last Location | Round Trip | Auto Rewind.
Default: Hold Last Location
Select the mode of importing NMEA data into scenario generation. When the NMEA message file reaches the end, user can choose to hold at the last location, or make an auto rewind to the beginning, or make a round trip back.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:TRAJectory:MODE REWind|HOLD|ROUNdtrip
[:SOURce]:RADio:GNSSPRO[:BBG]:TRAJectory:MODE?
Enter the initial longitude in degrees of GPS receiver position to be simulated in a static scenario. Enter a positive number for East and negative number for West or a positive number with W/E appended.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:LONgitude <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:LONgitude?
Enter the initial latitude in degrees of GPS receiver position to be simulated in a static scenario. Enter a positive number for North and negative number for South or a positive number with N/S appended.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:LATitude <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:LATitude?
Range: -100 to 15000000m
Default: 100m
Enter the initial altitude in meters of GPS receiver position to be simulated in a static scenario.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:ALTitude <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:ALTitude?
Enter the start date and the GPS time for the scenario simulation. Start date time must be later than 1980-01-06 00:00:00. Start date time is automatically updated by TOA information in the selected almanac files. For dynamic scenarios, start time is automatically updated by the first GGA message in the selected NMEA file. User can ignore the auto-updated date time and manually enter their own value, but it's recommended to use the same date as almanac date and make the start time on a 6 second boundary.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:START:GPS:DTIMe "string"
[:SOURce]:RADio:GNSSPRO[:BBG]:START:GPS:DTIMe?
[:SOURce]:RADio:GNSSPRO[:BBG]:START:GPS:WEEK <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:START:GPS:WEEK?
[:SOURce]:RADio:GNSSPRO[:BBG]:START:GPS:TOW <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:START:GPS:TOW?
Range: -144 dBm to 0 dBm. (The range may vary according to the external attenuation settings)
Default: -130 dBm
For Advanced mode: this property sets a reference power level on instrument's front panel. Power levels of all the satellites and interference tones will be relative to this reference level. It's recommended to set this value to the possible highest power level of individual satellite or interference tone across the test.
For Basic mode: this property sets the power of each satellite for equal power control; sets the power for the satellite which has the maximum power in the first record of the scenario for range-based power control.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:POWer:REF <value>
[:SOURce]:RADio:GNSSPRO[:BBG]:POWer:REF?
Range: 0 dB to 100 dB.
Default: 0 dB
Enter the attenuation value of the external attenuator if connected to instrument's RF port. Then the external attenuation will be compensated, which means the amplitude of the instrument output will be set to the sum of satellite power reference and external attenuation.
No SCPI command for this parameter.
Choice: L1C/A | Off
Default: L1C/A
Select the GPS L1 signal to be played.
No SCPI command for this parameter.
Choice: L5I + L5Q | L5I | L5Q | Off
Default: L5I + L5Q
Select the GPS L5 signal to be played.
No SCPI command for this parameter.
Select GPS almanac data file in YUMA format for scenario creation.
EXG/MXG:
[:SOURce]:RADio:GNSSPRO[:BBG]:GPS:ALManac "string"
[:SOURce]:RADio:GNSSPRO[:BBG]:GPS:ALManac?