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Nanosemidpd #147

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144b0bf
Added Nanosemi DPD library
Jun 1, 2020
d5cecbd
Update Reference Design Libraries.sln
Jun 1, 2020
e309ab4
Added LTE UL Nanosemi DPD EVM ACP Example
Jun 1, 2020
0f9448b
Added SolutionInfo and changed build parameters.
Jun 1, 2020
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6 changes: 6 additions & 0 deletions Examples/LTE_NanosemiDPD_EVM_ACP_UL/App.config
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<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
</configuration>
198 changes: 198 additions & 0 deletions Examples/LTE_NanosemiDPD_EVM_ACP_UL/LTE_NanosemiDPD_EVM_ACP_UL.cs
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using NationalInstruments.ModularInstruments.NIRfsg;
using NationalInstruments.RFmx.InstrMX;
using NationalInstruments.RFmx.LteMX;
using NationalInstruments.RFmx.SpecAnMX;
using System;
using static NationalInstruments.ReferenceDesignLibraries.SA.RFmxLTE;
using static NationalInstruments.ReferenceDesignLibraries.SG;

namespace NationalInstruments.ReferenceDesignLibraries.Examples
{
public class LTE_NanosemiDPD_EVM_ACP_UL
{
#region Declaring Parameters
//shared Parameters
public string resourceName;
public double centerFrequency;
public string signalStringSpecan, signalStringLte;
public string resultStringSpecan, resultStringLte;

//Generator Configuration
public SG.InstrumentConfiguration SgInstrConfig;

public string filePath;

//Analyzer Configuration
public SA.RFmxInstr.InstrumentConfiguration saInstrConfig;
public SA.CommonConfiguration saCommonConfig;
public SA.AutoLevelConfiguration saAutolevelConfig;

public SA.RFmxLTE.StandardConfiguration StandardConfigLte = new SA.RFmxLTE.StandardConfiguration();


//Measurements Configuration
public SA.RFmxLTE.AcpConfiguration AcpConfigLte;
public SA.RFmxLTE.AcpResults AcpResultsLte = new SA.RFmxLTE.AcpResults();

public SA.RFmxLTE.ModAccConfiguration ModaccConfigLte;
public SA.RFmxLTE.ModAccResults ModaccResultsLte = new SA.RFmxLTE.ModAccResults();

//Methods Configuration
public Methods.NanosemiDPD.NanosemiDPDConfiguration nsDPDConfig;
public Methods.NanosemiDPD.PreDpdCrestFactorReductionConfiguration preDpdCrestFactorReductionConfig;
public bool EnableDpd;
#endregion

public LTE_NanosemiDPD_EVM_ACP_UL()
{
InitializeParameters();
}

public void InitializeParameters()
{
//shared Parameters
centerFrequency = 1.95e9; //Hz
resourceName = "5840";
filePath = @"C:\Users\Public\Documents\National Instruments\RFIC Test Software\Waveforms\LTE_FDD_UL_1x20MHz_256QAM_OS4.tdms";
signalStringSpecan = "specanSig0";
signalStringLte = "lteSig0";
resultStringSpecan = "specanResult0";
resultStringLte = "lteResult0";

//Generator Configuiration
SgInstrConfig = SG.InstrumentConfiguration.GetDefault();
SgInstrConfig.CarrierFrequency_Hz = centerFrequency;
SgInstrConfig.DutAverageInputPower_dBm = -10.0;
SgInstrConfig.ExternalAttenuation_dB = 0;

//Analyzer Configuration
saInstrConfig = SA.RFmxInstr.InstrumentConfiguration.GetDefault();
saCommonConfig = SA.CommonConfiguration.GetDefault();
saCommonConfig.ExternalAttenuation_dB = 0;
saCommonConfig.CenterFrequency_Hz = centerFrequency;
saCommonConfig.ReferenceLevel_dBm = 0;

saAutolevelConfig = SA.AutoLevelConfiguration.GetDefault();
saAutolevelConfig.Enabled = true;


StandardConfigLte = SA.RFmxLTE.StandardConfiguration.GetDefault();
StandardConfigLte.ComponentCarrierConfigurations[0].Bandwidth_Hz = 20.0e6;
StandardConfigLte.ComponentCarrierConfigurations[0].PuschModulationType = RFmxLteMXPuschModulationType.ModulationType256Qam;

AcpConfigLte = SA.RFmxLTE.AcpConfiguration.GetDefault();

ModaccConfigLte = SA.RFmxLTE.ModAccConfiguration.GetDefault();

//Methods Configuration
nsDPDConfig = Methods.NanosemiDPD.NanosemiDPDConfiguration.GetDefault();
nsDPDConfig.DpdConfiguration = NanoSemiLinearizer.Interop.nstdpd.DpdGetDefaultConfig();
nsDPDConfig.NumberOfIterations = 3;
nsDPDConfig.DpdConfiguration.lvl = NanoSemiLinearizer.Interop.nstdpd.DpdLevel.NST_DPD_LEVEL0;
nsDPDConfig.DpdConfiguration.rho = 0.1f;
nsDPDConfig.DpdConfiguration.training_samples = 25000;
EnableDpd = true;

}

public void Run()
{
#region Create Sessions
NIRfsg nIRfsg = new NIRfsg(resourceName, false, false);
RFmxInstrMX instr = new RFmxInstrMX(resourceName, "");
RFmxSpecAnMX specAn = instr.GetSpecAnSignalConfiguration(signalStringSpecan);
RFmxLteMX lte = instr.GetLteSignalConfiguration(signalStringLte);
#endregion

#region Configure Generation
ConfigureInstrument(nIRfsg, SgInstrConfig);
Waveform waveform = LoadWaveformFromTDMS(filePath);

DownloadWaveform(nIRfsg, waveform);
ConfigureContinuousGeneration(nIRfsg, waveform);
nIRfsg.Initiate();
#endregion

#region Configure Analyzer
saAutolevelConfig.MeasurementInterval_s = waveform.BurstLength_s;
SA.RFmxInstr.ConfigureInstrument(instr, saInstrConfig);

SA.RFmxSpecAn.ConfigureCommon(specAn, saCommonConfig);


SA.RFmxLTE.ConfigureCommon(lte, saCommonConfig);
SA.RFmxLTE.ConfigureStandard(lte, StandardConfigLte);
#endregion

#region Configure and Measure DPD
if (EnableDpd)
{
Methods.NanosemiDPD.ConfigureNanosemi(specAn, nsDPDConfig, waveform, "");
Console.WriteLine("\n--------------- Measurement Results with DPD --------------\n");
Methods.NanosemiDPD.PerformNanosemiDPD(specAn, nIRfsg, waveform, nsDPDConfig, "");
}
else
{
Console.WriteLine("\n------------- Measurement Results without DPD -------------\n");
}
#endregion

#region Measure

ConfigureAcp(lte, AcpConfigLte);
RFmxLteMXMeasurementTypes[] lteMeasurements = new RFmxLteMXMeasurementTypes[1] { RFmxLteMXMeasurementTypes.Acp };
SA.RFmxLTE.SelectAndInitiateMeasurements(lte, lteMeasurements, saAutolevelConfig, false, "", resultStringLte);
AcpResultsLte = FetchAcp(lte, RFmxLteMX.BuildResultString(resultStringLte));
PrintACPResults();

ConfigureModAcc(lte, ModaccConfigLte);
lteMeasurements[0] = RFmxLteMXMeasurementTypes.ModAcc;
SA.RFmxLTE.SelectAndInitiateMeasurements(lte, lteMeasurements, saAutolevelConfig, false, "", resultStringLte);
ModaccResultsLte = FetchModAcc(lte, RFmxLteMX.BuildResultString(resultStringLte));
PrintModAccResults();
#endregion

specAn.Dispose();
specAn = null;
lte.Dispose();
instr.Close();

AbortGeneration(nIRfsg);
CloseInstrument(nIRfsg);
}

#region Utilities
private void PrintACPResults()
{
Console.WriteLine("\n----------------------- ACP Results -----------------------\n");
Console.WriteLine("Carrier Absolute Power (dBm): {0:0.00}\n", AcpResultsLte.ComponentCarrierResults[0].AbsolutePower_dBm);
Console.WriteLine("\n-----------Offset Channel Measurements----------- \n");

for (int i = 0; i < AcpResultsLte.OffsetResults.Length; i++)
{
Console.WriteLine("Offset {0}", i);
Console.WriteLine("Lower Absolute Power (dBm) : {0:0.000}", AcpResultsLte.OffsetResults[i].LowerAbsolutePower_dBm);
Console.WriteLine("Upper Absolute Power (dBm) : {0:0.000}", AcpResultsLte.OffsetResults[i].UpperAbsolutePower_dBm);
Console.WriteLine("Lower Relative Power (dB) : {0:0.000}", AcpResultsLte.OffsetResults[i].LowerRelativePower_dB);
Console.WriteLine("Upper Relative Power (dB) : {0:0.000}", AcpResultsLte.OffsetResults[i].UpperRelativePower_dB);
Console.WriteLine("Offset Frequency (Hz) : {0:0.000}", AcpResultsLte.OffsetResults[i].Frequency_Hz);
Console.WriteLine("Offset Integration Bandwidth (Hz) : {0:0.000}", AcpResultsLte.OffsetResults[i].IntegrationBandwidth_Hz);
Console.WriteLine("-------------------------------------------------\n");
}
}
private void PrintModAccResults()
{
for (int i = 0; i < ModaccResultsLte.ComponentCarrierResults.Length; i++)
{
Console.WriteLine("\n----------------------- EVM Results CC {0} -----------------------\n", i);
Console.WriteLine("Composite RMS EVM Mean (% or dB) : {0:0.000}", ModaccResultsLte.ComponentCarrierResults[i].MeanRmsCompositeEvm);
Console.WriteLine("Composite Peak EVM Maximum (% or dB) : {0:0.000}", ModaccResultsLte.ComponentCarrierResults[i].MaxPeakCompositeEvm);
Console.WriteLine("Composite Peak EVM Slot Index : {0}", ModaccResultsLte.ComponentCarrierResults[i].PeakCompositeEvmSlotIndex);
Console.WriteLine("Composite Peak EVM Symbol Index : {0}", ModaccResultsLte.ComponentCarrierResults[i].PeakCompositeEvmSymbolIndex);
Console.WriteLine("Composite Peak EVM Subcarrier Index : {0}", ModaccResultsLte.ComponentCarrierResults[i].PeakCompositeEvmSubcarrierIndex);
Console.WriteLine("Component Carrier Frequency Error Mean (Hz) : {0:0.000}", ModaccResultsLte.ComponentCarrierResults[i].MeanFrequencyError_Hz);
}
}
#endregion
}
}
87 changes: 87 additions & 0 deletions Examples/LTE_NanosemiDPD_EVM_ACP_UL/LTE_NanosemiDPD_EVM_ACP_UL.csproj
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<?xml version="1.0" encoding="utf-8"?>
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<OutputType>Exe</OutputType>
<RootNamespace>LTE_NanosemiDPD_EVM_ACP_UL</RootNamespace>
<AssemblyName>LTE_NanosemiDPD_EVM_ACP_UL</AssemblyName>
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</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>x64</PlatformTarget>
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<PropertyGroup>
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</PropertyGroup>
<ItemGroup>
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<ItemGroup>
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