wifi-spectrum-value-helper.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2009 CTTC
 * Copyright (c) 2017 Orange Labs
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Authors: Nicola Baldo <nbaldo@cttc.es>
 *          Rediet <getachew.redieteab@orange.com>
 */

#ifndef WIFI_SPECTRUM_VALUE_HELPER_H
#define WIFI_SPECTRUM_VALUE_HELPER_H


#include <ns3/spectrum-value.h>

namespace ns3 {

class WifiSpectrumValueHelper
{
public:
  virtual ~WifiSpectrumValueHelper ();

  static Ptr<SpectrumModel> GetSpectrumModel (uint32_t centerFrequency, uint16_t channelWidth, double bandBandwidth, uint16_t guardBandwidth);

  static Ptr<SpectrumValue> CreateDsssTxPowerSpectralDensity (uint32_t centerFrequency, double txPowerW, uint16_t guardBandwidth);

  static Ptr<SpectrumValue> CreateOfdmTxPowerSpectralDensity (uint32_t centerFrequency, uint16_t channelWidth, double txPowerW, uint16_t guardBandwidth);

  static Ptr<SpectrumValue> CreateHtOfdmTxPowerSpectralDensity (uint32_t centerFrequency, uint16_t channelWidth, double txPowerW, uint16_t guardBandwidth);

  static Ptr<SpectrumValue> CreateHeOfdmTxPowerSpectralDensity (uint32_t centerFrequency, uint16_t channelWidth, double txPowerW, uint16_t guardBandwidth);

  static Ptr<SpectrumValue> CreateNoisePowerSpectralDensity (uint32_t centerFrequency, uint16_t channelWidth, double bandBandwidth, double noiseFigure, uint16_t guardBandwidth);

  static Ptr<SpectrumValue> CreateNoisePowerSpectralDensity (double noiseFigure, Ptr<SpectrumModel> spectrumModel);

  static Ptr<SpectrumValue> CreateRfFilter (uint32_t centerFrequency, uint16_t channelWidth, double bandBandwidth, uint16_t guardBandwidth);

  typedef std::pair<uint32_t, uint32_t> StartStop;

  static void CreateSpectrumMaskForOfdm (Ptr<SpectrumValue> c, std::vector <StartStop> allocatedSubBands, StartStop maskBand,
                                         double txPowerPerBandW, uint32_t nGuardBands,
                                         uint32_t innerSlopeWidth, double lowestPointDbr);

  static void NormalizeSpectrumMask (Ptr<SpectrumValue> c, double txPowerW);

  static double DbmToW (double dbm);
};

class WifiSpectrumValue5MhzFactory
{
public:
  virtual ~WifiSpectrumValue5MhzFactory ();
  virtual Ptr<SpectrumValue> CreateConstant (double psd);
  virtual Ptr<SpectrumValue> CreateTxPowerSpectralDensity (double txPower, uint8_t channel);
  virtual Ptr<SpectrumValue> CreateRfFilter (uint8_t channel);
};

} // namespace ns3

#endif /*  WIFI_SPECTRUM_VALUE_HELPER_H */