LTE SRS Measurement
R&S
®
CMW-KM5xx/-KS5xx
834
User Manual 1173.9628.02 ─ 16
// *****************************************************************************
// Define signal routing and perform RF and analyzer settings:
// Carrier center frequency 1850 MHz, frequency offset 1 kHz, peak power 7 dBm,
// 5 dB user margin and 1 dB mixer level offset.
// *****************************************************************************
ROUTe:LTE:MEAS:SCENario:SALone RF1C, RX1
CONFigure:LTE:MEAS:RFSettings:EATTenuation 2
CONFigure:LTE:MEAS:RFSettings:FREQuency 1850E+6
CONFigure:LTE:MEAS:RFSettings:FOFFset 1000
CONFigure:LTE:MEAS:RFSettings:ENPower 7
CONFigure:LTE:MEAS:RFSettings:UMARgin 5
CONFigure:LTE:MEAS:RFSettings:MLOFfset 1
// *****************************************************************************
// Set duplex mode TDD and query the resulting frame structure type (T2).
// Specify channel bandwidth 1.4 MHz.
// *****************************************************************************
CONFigure:LTE:MEAS:DMODe TDD
CONFigure:LTE:MEAS:FSTRucture?
CONFigure:LTE:MEAS:CBANdwidth B014
5.4.3 Specifying Additional Measurement-Specific Settings
// *****************************************************************************
// Define stop condition (stop on limit failure), statistic count (20 cycles)
// and error handling. Enable the high dynamic mode.
// *****************************************************************************
CONFigure:LTE:MEAS:SRS:SCONdition SLFail
CONFigure:LTE:MEAS:SRS:SCOunt:PDYNamics 20
CONFigure:LTE:MEAS:SRS:MOEXception ON
CONFigure:LTE:MEAS:SRS:TOUT 3600
CONFigure:LTE:MEAS:SRS:HDMode ON
5.4.4 Configuring the Trigger System
// *****************************************************************************
// Set trigger source, slope, threshold, timeout and minimum trigger gap.
// *****************************************************************************
TRIGger:LTE:MEAS:SRS:SOURce 'IF Power'
TRIGger:LTE:MEAS:SRS:SLOPe FEDGe
TRIGger:LTE:MEAS:SRS:THReshold -30
TRIGger:LTE:MEAS:SRS:TOUT 1
TRIGger:LTE:MEAS:SRS:MGAP 0.00006
Programming
深圳德标仪器
135-1095-0799