/usr/include/ns3.27/ns3/trace-fading-loss-model.h is in libns3-dev 3.27+dfsg-1.
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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/object.h>
#include <ns3/spectrum-propagation-loss-model.h>
#include <map>
#include "ns3/random-variable-stream.h"
#include <ns3/nstime.h>
namespace ns3 {
class MobilityModel;
/**
* \ingroup lte
*
* \brief fading loss model based on precalculated fading traces
*/
class TraceFadingLossModel : public SpectrumPropagationLossModel
{
public:
TraceFadingLossModel ();
virtual ~TraceFadingLossModel ();
/**
* \brief Get the type ID.
* \return the object TypeId
*/
static TypeId GetTypeId ();
virtual void DoInitialize (void);
/**
* \brief The couple of mobility mnode that form a fading channel realization
*/
typedef std::pair<Ptr<const MobilityModel>, Ptr<const MobilityModel> > ChannelRealizationId_t;
/**
* Assign a fixed random variable stream number to the random variables
* used by this model. Return the number of streams (possibly zero) that
* have been assigned.
*
* \param stream first stream index to use
* \return the number of stream indices assigned by this model
*/
int64_t AssignStreams (int64_t stream);
private:
/**
* \param txPsd set of values vs frequency representing the
* transmission power. See SpectrumChannel for details.
* \param a sender mobility
* \param b receiver mobility
* \return set of values vs frequency representing the received
* power in the same units used for the txPsd parameter.
*/
Ptr<SpectrumValue> DoCalcRxPowerSpectralDensity (Ptr<const SpectrumValue> txPsd,
Ptr<const MobilityModel> a,
Ptr<const MobilityModel> b) const;
/**
* \brief Get the value for a particular sub channel and a given speed
* \param subChannel the sub channel for which a value is requested
* \param speed the relative speed of the two devices
* \return the loss for a particular sub channel
*/
double GetValue (int subChannel, double speed);
/**
* \brief Set the trace file name
* \param fileName the trace file
*/
void SetTraceFileName (std::string fileName);
/**
* \brief Set the trace time
* \param t the trace time
*/
void SetTraceLength (Time t);
/// Load trace function
void LoadTrace ();
mutable std::map <ChannelRealizationId_t, int > m_windowOffsetsMap; ///< windows offsets map
mutable std::map <ChannelRealizationId_t, Ptr<UniformRandomVariable> > m_startVariableMap; ///< start variable map
/**
* Vector with fading samples in time domain (for a fixed RB)
*/
typedef std::vector<double> FadingTraceSample;
/**
* Vector collecting the time fading traces in the frequency domain (per RB)
*/
typedef std::vector<FadingTraceSample> FadingTrace;
std::string m_traceFile; ///< the trace file name
FadingTrace m_fadingTrace; ///< fading trace
Time m_traceLength; ///< the trace time
uint32_t m_samplesNum; ///< number of samples
Time m_windowSize; ///< window size
uint8_t m_rbNum; ///< RB number
mutable Time m_lastWindowUpdate; ///< time of last window update
uint8_t m_timeGranularity; ///< time granularity
mutable uint64_t m_currentStream; ///< the current stream
mutable uint64_t m_lastStream; ///< the last stream
uint64_t m_streamSetSize; ///< stream set size
mutable bool m_streamsAssigned; ///< is streams assigned?
};
} // namespace ns3
#endif /* TRACE_FADING_LOSS_MODEL_H */
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