/// <summary>Configures common settings for the SEM measurement and selects the measurement.</summary> /// <param name="wlanSignal">Specifies the WLAN signal to configure.</param> /// <param name="semConfig">Specifies the SEM 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 ConfigureSEM(RFmxWlanMX wlanSignal, SEMConfiguration semConfig, string selectorString = "") { wlanSignal.SelectMeasurements(selectorString, RFmxWlanMXMeasurementTypes.Sem, false); wlanSignal.Sem.Configuration.ConfigureSweepTime(selectorString, semConfig.SweepTimeAuto, semConfig.SweepTime_s); wlanSignal.Sem.Configuration.ConfigureAveraging(selectorString, semConfig.AveragingEnabled, semConfig.AveragingCount, semConfig.AveragingType); wlanSignal.Sem.Configuration.ConfigureSpan(selectorString, semConfig.SpanAuto, semConfig.Span_Hz); // Support for custom masks has not been implemented in this module wlanSignal.Sem.Configuration.ConfigureMaskType(selectorString, RFmxWlanMXSemMaskType.Standard); }
public static void ConfigureSEM(RFmxWlanMX wlanSignal, SEMConfiguration semConfig, string selectorString = "") { //Ensure that the measurement and traces are enabled wlanSignal.Sem.Configuration.SetMeasurementEnabled(selectorString, true); wlanSignal.Sem.Configuration.SetAllTracesEnabled(selectorString, true); wlanSignal.Sem.Configuration.ConfigureSweepTime(selectorString, semConfig.SweepTimeAuto, semConfig.SweepTime_s); wlanSignal.Sem.Configuration.ConfigureAveraging(selectorString, semConfig.AveragingEnabled, semConfig.AveragingCount, semConfig.AveragingType); wlanSignal.Sem.Configuration.ConfigureSpan(selectorString, semConfig.SpanAuto, semConfig.Span_Hz); switch (semConfig.MaskType) { case RFmxWlanMXSemMaskType.Standard: wlanSignal.Sem.Configuration.ConfigureMaskType(selectorString, semConfig.MaskType); break; default: throw new System.NotImplementedException("Custom SEM Mask configurations have not been implemented in this Reference Design module."); } }
static void Main() { #region Configure Generation string resourceName = "VST2"; string filePath = Path.GetFullPath(@"Support Files\80211a_20M_48Mbps.tdms"); NIRfsg nIRfsg = new NIRfsg(resourceName, false, false); InstrumentConfiguration instrConfig = InstrumentConfiguration.GetDefault(); instrConfig.CarrierFrequency_Hz = 2.412e9; ConfigureInstrument(nIRfsg, instrConfig); Waveform waveform = LoadWaveformFromTDMS(filePath); DownloadWaveform(nIRfsg, waveform); WaveformTimingConfiguration timing = new WaveformTimingConfiguration { DutyCycle_Percent = 60, PreBurstTime_s = 1e-9, PostBurstTime_s = 1e-9, BurstStartTriggerExport = "PXI_Trig0" }; PAENConfiguration paenConfig = new PAENConfiguration { PAEnableMode = PAENMode.Dynamic, PAEnableTriggerExportTerminal = "PFI0", PAEnableTriggerMode = RfsgMarkerEventOutputBehaviour.Toggle }; ConfigureBurstedGeneration(nIRfsg, waveform, timing, paenConfig, out double period, out _); nIRfsg.Initiate(); #endregion RFmxInstrMX instr = new RFmxInstrMX("VST2", ""); RFmxWlanMX wlan = instr.GetWlanSignalConfiguration(); instr.GetWlanSignalConfiguration(); CommonConfiguration commonConfiguration = CommonConfiguration.GetDefault(); commonConfiguration.CenterFrequency_Hz = 2.412e9; AutoLevelConfiguration autoLevel = new AutoLevelConfiguration { AutoLevelMeasureTime_s = period, AutoLevelReferenceLevel = true }; SA.RFmxWLAN.ConfigureCommon(instr, wlan, commonConfiguration, autoLevel); SignalConfiguration signal = SignalConfiguration.GetDefault(); signal.AutoDetectSignal = false; signal.ChannelBandwidth_Hz = 20e6; signal.Standard = RFmxWlanMXStandard.Standard802_11ag; SA.RFmxWLAN.ConfigureSignal(wlan, signal); TxPConfiguration txpConfig = new TxPConfiguration { AveragingCount = 10, MaximumMeasurementInterval_s = waveform.BurstLength_s, AveragingEnabled = RFmxWlanMXTxpAveragingEnabled.True }; SA.RFmxWLAN.ConfigureTxP(wlan, txpConfig); OFDMModAccConfiguration modAccConfig = OFDMModAccConfiguration.GetDefault(); modAccConfig.OptimizeDynamicRangeForEvmEnabled = RFmxWlanMXOfdmModAccOptimizeDynamicRangeForEvmEnabled.False; modAccConfig.AveragingEnabled = RFmxWlanMXOfdmModAccAveragingEnabled.True; SA.RFmxWLAN.ConfigureOFDMModAcc(wlan, modAccConfig); TxPServoConfiguration servoConfig = TxPServoConfiguration.GetDefault(); servoConfig.TargetTxPPower_dBm = 0.5; SA.RFmxWLAN.TxPServoPower(wlan, nIRfsg, servoConfig, autoLevel); SEMConfiguration semConfig = SEMConfiguration.GetDefault(); SA.RFmxWLAN.ConfigureSEM(wlan, semConfig); wlan.Initiate("", ""); TxPResults txpRes = SA.RFmxWLAN.FetchTxP(wlan); OFDMModAccResults modAccResults = SA.RFmxWLAN.FetchOFDMModAcc(wlan); SEMResults semResults = SA.RFmxWLAN.FetchSEM(wlan); Console.WriteLine("TXP Avg Power: {0:N}", txpRes.AveragePowerMean_dBm); Console.WriteLine("Composite RMS EVM (dB): {0:N}", modAccResults.CompositeRMSEVMMean_dB); Console.WriteLine("\n----------Lower Offset Measurements----------\n"); for (int i = 0; i < semResults.LowerOffsetMargin_dB.Length; i++) { Console.WriteLine("Offset {0}", i); Console.WriteLine("Measurement Status :{0}", semResults.lowerOffsetMeasurementStatus[i]); Console.WriteLine("Margin (dB) :{0}", semResults.LowerOffsetMargin_dB[i]); Console.WriteLine("Margin Frequency (Hz) :{0}", semResults.LowerOffsetMarginFrequency_Hz[i]); Console.WriteLine("Margin Absolute Power (dBm) :{0}\n", semResults.LowerOffsetMarginAbsolutePower_dBm[i]); } Console.WriteLine("\n----------Upper Offset Measurements----------\n"); for (int i = 0; i < semResults.UpperOffsetMargin_dB.Length; i++) { Console.WriteLine("Offset {0}", i); Console.WriteLine("Measurement Status :{0}", semResults.upperOffsetMeasurementStatus[i]); Console.WriteLine("Margin (dB) :{0}", semResults.UpperOffsetMargin_dB[i]); Console.WriteLine("Margin Frequency (Hz) :{0}", semResults.UpperOffsetMarginFrequency_Hz[i]); Console.WriteLine("Margin Absolute Power (dBm) :{0}\n", semResults.UpperOffsetMarginAbsolutePower_dBm[i]); } Console.WriteLine("\n--------------------\n\nPress any key to exit."); Console.ReadKey(); wlan.Dispose(); instr.Close(); AbortGeneration(nIRfsg); CloseInstrument(nIRfsg); }