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LTE PRACH Measurement
R&S
®
CMW-KM5xx/-KS5xx
777
User Manual 1173.9628.02 ─ 16
CONFigure:LTE:MEAS:PRACh:LIMit:EVMagnitude 20, 40
CONFigure:LTE:MEAS:PRACh:LIMit:MERRor 20, OFF
CONFigure:LTE:MEAS:PRACh:LIMit:PERRor 20, OFF
CONFigure:LTE:MEAS:PRACh:LIMit:FERRor 150
// *****************************************************************************
// Define power dynamics limits.
// *****************************************************************************
CONFigure:LTE:MEAS:PRACh:LIMit:PDYNamics ON,6.8,-8.8,-48.8
4.4.7 Performing Single-Shot Measurements
// *****************************************************************************
// Enable all measurements.
// *****************************************************************************
CONFigure:LTE:MEAS:PRACh:RESult:ALL ON,ON,ON,ON,ON,ON,ON,ON
// *****************************************************************************
// Start single-shot measurement, return average EVM trace.
// Query the measurement state (should be "RDY").
// *****************************************************************************
READ:LTE:MEAS:PRACh:TRACe:EVM:AVERage?
FETCh:LTE:MEAS:PRACh:STATe?
// *****************************************************************************
// Retrieve detected PRACH frequency offset, sequence index and
// sequence correlation for "single preamble" measurements and for
// preamble number 4 of "multi preamble" measurements.
// *****************************************************************************
FETCh:LTE:MEAS:PRACh:MODulation:DPFoffset?
FETCh:LTE:MEAS:PRACh:MODulation:DSINdex?
FETCh:LTE:MEAS:PRACh:MODulation:SCORrelation?
FETCh:LTE:MEAS:PRACh:MODulation:DPFoffset:PREamble4?
FETCh:LTE:MEAS:PRACh:MODulation:DSINdex:PREamble4?
FETCh:LTE:MEAS:PRACh:MODulation:SCORrelation:PREamble4?
// *****************************************************************************
// Read other traces obtained in the last
// measurement without re-starting the measurement.
// *****************************************************************************
FETCh:LTE:MEAS:PRACh:TRACe:MERRor:AVERage?
FETCh:LTE:MEAS:PRACh:TRACe:MERRor:MAXimum?
FETCh:LTE:MEAS:PRACh:TRACe:PERRor:AVERage?
FETCh:LTE:MEAS:PRACh:TRACe:PERRor:MAXimum?
FETCh:LTE:MEAS:PRACh:TRACe:EVPReamble?
FETCh:LTE:MEAS:PRACh:TRACe:PVPReamble?
FETCh:LTE:MEAS:PRACh:TRACe:IQ?
FETCh:LTE:MEAS:PRACh:TRACe:PDYNamics:AVERage?
FETCh:LTE:MEAS:PRACh:TRACe:PDYNamics:MAXimum?
Programming
深圳德标仪器
135-1095-0799