nr-spectrum-value-helper.h

// Copyright (c) 2019 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
//
// SPDX-License-Identifier: GPL-2.0-only
 
#ifndef NR_SPECTRUM_VALUE_HELPER_H
#define NR_SPECTRUM_VALUE_HELPER_H
 
#include <ns3/spectrum-value.h>
 
#include <vector>
 
namespace ns3
{
 
class NrSpectrumValueHelper
{
  public:
    enum PowerAllocationType
    {
        UNIFORM_POWER_ALLOCATION_USED,
        UNIFORM_POWER_ALLOCATION_BW
    };
 
    static const uint8_t SUBCARRIERS_PER_RB = 12; 
 
    static Ptr<const SpectrumModel> GetSpectrumModel(uint32_t numRbs,
                                                     double centerFrequency,
                                                     double subcarrierSpacing);
 
    static Ptr<SpectrumValue> CreateTxPowerSpectralDensity(double powerTx,
                                                           const std::vector<int>& rbIndexVector,
                                                           const Ptr<const SpectrumModel>& txSm,
                                                           enum PowerAllocationType allocationType);
 
    static Ptr<SpectrumValue> CreateNoisePowerSpectralDensity(
        double noiseFigure,
        const Ptr<const SpectrumModel>& spectrumModel);
 
    static uint64_t GetEffectiveBandwidth(double bandwidth, uint8_t numerology);
 
  protected:
    static Ptr<SpectrumValue> CreateTxPsdOverActiveRbs(
        double powerTx,
        const std::vector<int>& activeRbs,
        const Ptr<const SpectrumModel>& spectrumModel);
 
    static Ptr<SpectrumValue> CreateTxPsdOverAllRbs(double powerTx,
                                                    const std::vector<int>& activeRbs,
                                                    const Ptr<const SpectrumModel>& spectrumModel);
 
    static void DeleteSpectrumValues();
};
 
} // namespace ns3
 
#endif /*  NR_SPECTRUM_VALUE_HELPER_H */