satellite-loo-model.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013 Magister Solutions Ltd.
 *
 * 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
 *
 * Author: Frans Laakso <frans.laakso@magister.fi>
 */
#ifndef SATELLITE_LOO_MODEL_H
#define SATELLITE_LOO_MODEL_H
 
#include "satellite-base-fader.h"
#include "satellite-fading-oscillator.h"
#include "satellite-loo-conf.h"
 
#include "ns3/random-variable-stream.h"
#include "ns3/vector.h"
 
#include <complex>
#include <stdint.h>
#include <vector>
 
namespace ns3
{

class SatLooModel : public SatBaseFader
{
  public:
    static TypeId GetTypeId(void);

    SatLooModel();

    SatLooModel(Ptr<SatLooConf> looConf,
                uint32_t numOfStates,
                uint32_t initialSet,
                uint32_t initialState);

    ~SatLooModel();

    void DoDispose();

    double GetChannelGainDb();

    double GetChannelGain();

    void UpdateParameters(uint32_t set, uint32_t state);
 
  private:
    uint32_t m_numOfStates;

    uint32_t m_currentSet;

    uint32_t m_currentState;

    std::vector<double> m_sigma;

    Ptr<SatLooConf> m_looConf;

    std::vector<std::vector<double>> m_looParameters;

    Ptr<NormalRandomVariable> m_normalRandomVariable;

    Ptr<UniformRandomVariable> m_uniformVariable;

    std::vector<std::vector<Ptr<SatFadingOscillator>>> m_directSignalOscillators;

    std::vector<std::vector<Ptr<SatFadingOscillator>>> m_multipathOscillators;

    void ConstructDirectSignalOscillators();

    void ConstructMultipathOscillators();

    std::complex<double> GetOscillatorCosineWaveSum(
        std::vector<Ptr<SatFadingOscillator>> oscillator,
        double timeInSeconds);

    std::complex<double> GetOscillatorComplexSum(std::vector<Ptr<SatFadingOscillator>> oscillator,
                                                 double timeInSeconds);

    void ChangeState(uint32_t newState);

    void ChangeSet(uint32_t newSet, uint32_t newState);

    void CalculateSigma();

    void Reset();
};
 
} // namespace ns3
 
#endif /* SATELLITE_LOO_MODEL_H */