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buildings-propagation-loss-model.h
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011, 2012 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Marco Miozzo <marco.miozzo@cttc.es>
19  * Nicola Baldo <nbaldo@cttc.es>
20  *
21  */
22 
23 #ifndef BUILDINGS_PROPAGATION_LOSS_MODEL_H_
24 #define BUILDINGS_PROPAGATION_LOSS_MODEL_H_
25 
26 #include "ns3/nstime.h"
27 #include "ns3/propagation-loss-model.h"
28 #include "ns3/random-variable-stream.h"
29 #include <ns3/building.h>
30 #include <ns3/buildings-mobility-model.h>
31 
32 
33 namespace ns3 {
34 
35 class ShadowingLossModel;
36 class JakesFadingLossModel;
37 
55 class BuildingsPropagationLossModel : public PropagationLossModel
56 {
57 
58 public:
59  static TypeId GetTypeId (void);
60 
61  BuildingsPropagationLossModel ();
67  virtual double GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel> b) const = 0;
68 
69  // inherited from PropagationLossModel
70  virtual double DoCalcRxPower (double txPowerDbm, Ptr<MobilityModel> a, Ptr<MobilityModel> b) const;
71 
72 protected:
73  double ExternalWallLoss (Ptr<BuildingsMobilityModel> a) const;
74  double HeightLoss (Ptr<BuildingsMobilityModel> n) const;
75  double InternalWallsLoss (Ptr<BuildingsMobilityModel> a, Ptr<BuildingsMobilityModel> b) const;
76 
77  double GetShadowing (Ptr<MobilityModel> a, Ptr<MobilityModel> b) const;
78 
79  double m_lossInternalWall; // in meters
80 
81 
82  class ShadowingLoss
83  {
84  public:
85  ShadowingLoss ();
86  ShadowingLoss (double shadowingValue, Ptr<MobilityModel> receiver);
87  double GetLoss () const;
88  Ptr<MobilityModel> GetReceiver (void) const;
89  protected:
90  double m_shadowingValue;
91  Ptr<MobilityModel> m_receiver;
92  };
93 
94  mutable std::map<Ptr<MobilityModel>, std::map<Ptr<MobilityModel>, ShadowingLoss> > m_shadowingLossMap;
95  double EvaluateSigma (Ptr<BuildingsMobilityModel> a, Ptr<BuildingsMobilityModel> b) const;
96 
97 
98  double m_shadowingSigmaExtWalls;
99  double m_shadowingSigmaOutdoor;
100  double m_shadowingSigmaIndoor;
101  Ptr<NormalRandomVariable> m_randVariable;
102 
103  virtual int64_t DoAssignStreams (int64_t stream);
104 };
105 
106 }
107 
108 #endif /* BUILDINGS_PROPAGATION_LOSS_MODEL_H_ */