buildings-propagation-loss-model.h

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/*
 * Copyright (c) 2011, 2012 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: Marco Miozzo  <marco.miozzo@cttc.es>
 *         Nicola Baldo <nbaldo@cttc.es>
 *
 */
 
#ifndef BUILDINGS_PROPAGATION_LOSS_MODEL_H_
#define BUILDINGS_PROPAGATION_LOSS_MODEL_H_
 
#include "building.h"
#include "mobility-building-info.h"
 
#include "ns3/nstime.h"
#include "ns3/propagation-loss-model.h"
#include "ns3/random-variable-stream.h"
 
namespace ns3
{
 
class ShadowingLossModel;
class JakesFadingLossModel;
 
class BuildingsPropagationLossModel : public PropagationLossModel
{
  public:
    static TypeId GetTypeId();
 
    BuildingsPropagationLossModel();
    virtual double GetLoss(Ptr<MobilityModel> a, Ptr<MobilityModel> b) const = 0;
 
    // inherited from PropagationLossModel
    double DoCalcRxPower(double txPowerDbm,
                         Ptr<MobilityModel> a,
                         Ptr<MobilityModel> b) const override;
 
  protected:
    double ExternalWallLoss(Ptr<MobilityBuildingInfo> a) const;
    double HeightLoss(Ptr<MobilityBuildingInfo> n) const;
    double InternalWallsLoss(Ptr<MobilityBuildingInfo> a, Ptr<MobilityBuildingInfo> b) const;
 
    double GetShadowing(Ptr<MobilityModel> a, Ptr<MobilityModel> b) const;
 
    double m_lossInternalWall; 
 
    class ShadowingLoss
    {
      public:
        ShadowingLoss();
        ShadowingLoss(double shadowingValue, Ptr<MobilityModel> receiver);
        double GetLoss() const;
        Ptr<MobilityModel> GetReceiver() const;
 
      protected:
        double m_shadowingValue;       
        Ptr<MobilityModel> m_receiver; 
    };
 
    mutable std::map<Ptr<MobilityModel>, std::map<Ptr<MobilityModel>, ShadowingLoss>>
        m_shadowingLossMap;
    double EvaluateSigma(Ptr<MobilityBuildingInfo> a, Ptr<MobilityBuildingInfo> b) const;
 
    double m_shadowingSigmaExtWalls;
    double m_shadowingSigmaOutdoor;
    double m_shadowingSigmaIndoor;
    Ptr<NormalRandomVariable> m_randVariable; 
 
    int64_t DoAssignStreams(int64_t stream) override;
};
 
} // namespace ns3
 
#endif /* BUILDINGS_PROPAGATION_LOSS_MODEL_H_ */