trace-fading-loss-model.h

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/*
 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * 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: Giuseppe Piro  <g.piro@poliba.it>
 *         Marco Miozzo <mmiozzo@cttc.es>
 */
 
#ifndef TRACE_FADING_LOSS_MODEL_H
#define TRACE_FADING_LOSS_MODEL_H
 
#include "ns3/random-variable-stream.h"
#include <ns3/nstime.h>
#include <ns3/object.h>
#include <ns3/spectrum-propagation-loss-model.h>
 
#include <map>
 
namespace ns3
{
 
class MobilityModel;
 
class TraceFadingLossModel : public SpectrumPropagationLossModel
{
  public:
    TraceFadingLossModel();
    ~TraceFadingLossModel() override;
 
    static TypeId GetTypeId();
 
    void DoInitialize() override;
 
    typedef std::pair<Ptr<const MobilityModel>, Ptr<const MobilityModel>> ChannelRealizationId_t;
 
    int64_t AssignStreams(int64_t stream);
 
  private:
    Ptr<SpectrumValue> DoCalcRxPowerSpectralDensity(Ptr<const SpectrumSignalParameters> params,
                                                    Ptr<const MobilityModel> a,
                                                    Ptr<const MobilityModel> b) const override;
 
    double GetValue(int subChannel, double speed);
 
    void SetTraceFileName(std::string fileName);
    void SetTraceLength(Time t);
 
    void LoadTrace();
 
    mutable std::map<ChannelRealizationId_t, int> m_windowOffsetsMap; 
 
    mutable std::map<ChannelRealizationId_t, Ptr<UniformRandomVariable>>
        m_startVariableMap; 
 
    typedef std::vector<double> FadingTraceSample;
    typedef std::vector<FadingTraceSample> FadingTrace;
 
    std::string m_traceFile; 
 
    FadingTrace m_fadingTrace; 
 
    Time m_traceLength;               
    uint32_t m_samplesNum;            
    Time m_windowSize;                
    uint8_t m_rbNum;                  
    mutable Time m_lastWindowUpdate;  
    uint8_t m_timeGranularity;        
    mutable uint64_t m_currentStream; 
    mutable uint64_t m_lastStream;    
    uint64_t m_streamSetSize;         
    mutable bool m_streamsAssigned;   
};
 
} // namespace ns3
 
#endif /* TRACE_FADING_LOSS_MODEL_H */