/// <summary>Configures common settings for the ModAcc measurement and selects the measurement.</summary>
/// <param name="lte">Specifies the LTE signal to configure.</param>
/// <param name="modAccConfig">Specifies the ModAcc settings to apply.</param>
/// <param name="selectorString">Pass an empty string. The signal name that is passed when creating the signal configuration is used. See the RFmx help for more documention of this parameter.</param>
public static void ConfigureModAcc(RFmxLteMX lte, ModAccConfiguration modAccConfig, string selectorString = "")
{
lte.SelectMeasurements(selectorString, RFmxLteMXMeasurementTypes.ModAcc, false);
lte.ModAcc.Configuration.ConfigureAveraging(selectorString, modAccConfig.AveragingEnabled, modAccConfig.AveragingCount);
lte.ModAcc.Configuration.ConfigureSynchronizationModeAndInterval(selectorString, modAccConfig.SynchronizationMode, modAccConfig.MeasurementOffset, modAccConfig.MeasurementLength);
lte.ModAcc.Configuration.ConfigureEvmUnit(selectorString, modAccConfig.EvmUnit);
}
/// <summary>Configures common settings for the ModAcc measurement and selects the measurement.</summary>
/// <param name="nr">Specifies the NR signal to configure.</param>
/// <param name="modAccConfig">Specifies the ModAcc settings to apply.</param>
/// <param name="selectorString">Pass an empty string. The signal name that is passed when creating the signal configuration is used. See the RFmx help for more documention of this parameter.</param>
public static void ConfigureModacc(RFmxNRMX nr, ModAccConfiguration modAccConfig, string selectorString = "")
{
nr.SelectMeasurements(selectorString, RFmxNRMXMeasurementTypes.ModAcc, false);
nr.ModAcc.Configuration.SetMeasurementLengthUnit(selectorString, modAccConfig.MeasurementLengthUnit);
nr.ModAcc.Configuration.SetMeasurementOffset(selectorString, modAccConfig.MeasurementOffset);
nr.ModAcc.Configuration.SetMeasurementLength(selectorString, modAccConfig.MeasurementLength);
nr.ModAcc.Configuration.SetEvmUnit(selectorString, modAccConfig.EvmUnit);
nr.ModAcc.Configuration.SetAveragingEnabled(selectorString, modAccConfig.AveragingEnabled);
nr.ModAcc.Configuration.SetAveragingCount(selectorString, modAccConfig.AveragingCount);
}
public static void ConfigureModacc(RFmxNRMX nrSignal, ModAccConfiguration modaccConfig, string selectorString = "")
{
nrSignal.ModAcc.Configuration.SetMeasurementEnabled(selectorString, true);
nrSignal.ModAcc.Configuration.SetAllTracesEnabled(selectorString, true);
nrSignal.ModAcc.Configuration.SetSynchronizationMode(selectorString, modaccConfig.synchronizationMode);
nrSignal.ModAcc.Configuration.SetAveragingEnabled(selectorString, modaccConfig.averagingEnabled);
nrSignal.ModAcc.Configuration.SetAveragingCount(selectorString, modaccConfig.averagingCount);
nrSignal.ModAcc.Configuration.SetMeasurementLengthUnit(selectorString, modaccConfig.measurementLengthUnit);
nrSignal.ModAcc.Configuration.SetMeasurementOffset(selectorString, modaccConfig.measurementOffset);
nrSignal.ModAcc.Configuration.SetMeasurementLength(selectorString, modaccConfig.measurementLength);
}
public void TestOfflineAnalysisSingleCarrierTdd()
{
RFmxInstrMX instr = new RFmxInstrMX("", "AnalysisOnly=1");
RFmxLteMX lte = instr.GetLteSignalConfiguration();
ConfigureCommon(lte, CommonConfiguration.GetDefault());
StandardConfiguration signalConfig = StandardConfiguration.GetDefault();
signalConfig.DuplexScheme = RFmxLteMXDuplexScheme.Tdd;
ConfigureStandard(lte, signalConfig);
ModAccConfiguration modAccConfig = ModAccConfiguration.GetDefault();
modAccConfig.MeasurementOffset = 4;
ConfigureModAcc(lte, modAccConfig);
lte.Commit("");
instr.GetRecommendedIQPreTriggerTime("", out double pretriggerTime);
PrecisionTimeSpan timeOffset = new PrecisionTimeSpan(-pretriggerTime);
Waveform wfm = LoadWaveformFromTDMS(@"Support Files\LTE_TDD_2.0.tdms");
Buffer <ComplexSingle> readBuffer = wfm.Data.GetBuffer(true);
WritableBuffer <ComplexSingle> writeBuffer = wfm.Data.GetWritableBuffer();
int sampleOffset = (int)Math.Round(pretriggerTime * wfm.SampleRate);
for (int i = 0; i < readBuffer.Size; i++)
{
writeBuffer[i] = readBuffer[(i - sampleOffset + readBuffer.Size) % readBuffer.Size];
}
wfm.Data.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(
wfm.Data.PrecisionTiming.SampleInterval, timeOffset);
lte.AnalyzeIQ("", "", wfm.Data, true, out _);
ModAccResults modAccResults = FetchModAcc(lte);
instr.Close();
Assert.IsTrue(modAccResults.ComponentCarrierResults[0].MeanRmsCompositeEvm < 0.001);
}