A Discrete-Event Network Simulator
API
oh-buildings-propagation-loss-model.cc
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 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  *
20  */
21 
22 #include "ns3/propagation-loss-model.h"
23 #include "ns3/log.h"
24 #include "ns3/mobility-model.h"
25 #include "ns3/double.h"
26 #include "ns3/pointer.h"
27 #include <cmath>
29 #include <ns3/mobility-building-info.h>
30 #include "ns3/okumura-hata-propagation-loss-model.h"
31 #include "ns3/enum.h"
32 
33 
34 namespace ns3 {
35 
36 NS_LOG_COMPONENT_DEFINE ("OhBuildingsPropagationLossModel");
37 
38 NS_OBJECT_ENSURE_REGISTERED (OhBuildingsPropagationLossModel);
39 
40 
41 
43 {
44  m_okumuraHata = CreateObject<OkumuraHataPropagationLossModel> ();
45 }
46 
48 {
49 }
50 
51 TypeId
53 {
54  static TypeId tid = TypeId ("ns3::OhBuildingsPropagationLossModel")
55 
57 
58  .AddConstructor<OhBuildingsPropagationLossModel> ();
59 
60  return tid;
61 }
62 
63 
64 double
66 {
67  NS_LOG_FUNCTION (this << a << b);
68 
69  // get the MobilityBuildingInfo pointers
72  NS_ASSERT_MSG ((a1 != 0) && (b1 != 0), "OhBuildingsPropagationLossModel only works with MobilityBuildingInfo");
73 
74  double loss = 0.0;
75 
76  if (a1->IsOutdoor ())
77  {
78  if (b1->IsOutdoor ())
79  {
80  loss = m_okumuraHata->GetLoss (a, b);
81  NS_LOG_INFO (this << " O-O : " << loss);
82  }
83  else
84  {
85  // b indoor
86  loss = m_okumuraHata->GetLoss (a, b) + ExternalWallLoss (b1);
87  NS_LOG_INFO (this << " O-I : " << loss);
88  } // end b1->isIndoor ()
89  }
90  else
91  {
92  // a is indoor
93  if (b1->IsIndoor ())
94  {
95  if (a1->GetBuilding () == b1->GetBuilding ())
96  {
97  // nodes are in same building -> indoor communication ITU-R P.1238
98  loss = m_okumuraHata->GetLoss (a, b) + InternalWallsLoss (a1, b1);;
99  NS_LOG_INFO (this << " I-I (same building)" << loss);
100 
101  }
102  else
103  {
104  // nodes are in different buildings
105  loss = m_okumuraHata->GetLoss (a, b) + ExternalWallLoss (a1) + ExternalWallLoss (b1);
106  NS_LOG_INFO (this << " I-O-I (different buildings): " << loss);
107  }
108  }
109  else
110  {
111  loss = m_okumuraHata->GetLoss (a, b) + ExternalWallLoss (a1);
112  NS_LOG_INFO (this << " I-O : " << loss);
113  } // end b1->IsIndoor ()
114  } // end a1->IsOutdoor ()
115 
116  loss = std::max (0.0, loss);
117  return loss;
118 }
119 
120 
121 } // namespace ns3
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:44
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:244
This model provides means for simulating the following propagation phenomena in the presence of build...
Every class exported by the ns3 library is enclosed in the ns3 namespace.
virtual double GetLoss(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
Ptr< OkumuraHataPropagationLossModel > m_okumuraHata
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
Definition: assert.h:84
mobility buildings information (to be used by mobility models)
double ExternalWallLoss(Ptr< MobilityBuildingInfo > a) const
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:455
a unique identifier for an interface.
Definition: type-id.h:51
TypeId SetParent(TypeId tid)
Definition: type-id.cc:631
double InternalWallsLoss(Ptr< MobilityBuildingInfo > a, Ptr< MobilityBuildingInfo > b) const