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  .SetGroupName ("Buildings")
58 
59  .AddConstructor<OhBuildingsPropagationLossModel> ();
60 
61  return tid;
62 }
63 
64 
65 double
67 {
68  NS_LOG_FUNCTION (this << a << b);
69 
70  // get the MobilityBuildingInfo pointers
73  NS_ASSERT_MSG ((a1 != 0) && (b1 != 0), "OhBuildingsPropagationLossModel only works with MobilityBuildingInfo");
74 
75  double loss = 0.0;
76 
77  bool isAIndoor = a1->IsIndoor ();
78  bool isBIndoor = b1->IsIndoor ();
79 
80  if (!isAIndoor) // a is outdoor
81  {
82  if (!isBIndoor) // b is outdoor
83  {
84  loss = m_okumuraHata->GetLoss (a, b);
85  NS_LOG_INFO (this << " O-O : " << loss);
86  }
87  else
88  {
89  // b indoor
90  loss = m_okumuraHata->GetLoss (a, b) + ExternalWallLoss (b1);
91  NS_LOG_INFO (this << " O-I : " << loss);
92  } // end b1->isIndoor ()
93  }
94  else
95  {
96  // a is indoor
97  if (isBIndoor) // b is indoor
98  {
99  if (a1->GetBuilding () == b1->GetBuilding ())
100  {
101  // nodes are in same building -> indoor communication ITU-R P.1238
102  loss = m_okumuraHata->GetLoss (a, b) + InternalWallsLoss (a1, b1);
103  NS_LOG_INFO (this << " I-I (same building)" << loss);
104 
105  }
106  else
107  {
108  // nodes are in different buildings
109  loss = m_okumuraHata->GetLoss (a, b) + ExternalWallLoss (a1) + ExternalWallLoss (b1);
110  NS_LOG_INFO (this << " I-O-I (different buildings): " << loss);
111  }
112  }
113  else
114  {
115  loss = m_okumuraHata->GetLoss (a, b) + ExternalWallLoss (a1);
116  NS_LOG_INFO (this << " I-O : " << loss);
117  } // end if (isBIndoor)
118  } // end if (!isAIndoor)
119 
120  loss = std::max (0.0, loss);
121  return loss;
122 }
123 
124 
125 } // namespace ns3
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
this model combines the OkumuraHata model with the BuildingsPropagationLossModel
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
NS_ASSERT_MSG(false, "Ipv4AddressGenerator::MaskToIndex(): Impossible")
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:281
This model provides means for simulating the following propagation phenomena in the presence of build...
#define max(a, b)
Definition: 80211b.c:43
virtual double GetLoss(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:464
Every class exported by the ns3 library is enclosed in the ns3 namespace.
double ExternalWallLoss(Ptr< MobilityBuildingInfo > a) const
Ptr< OkumuraHataPropagationLossModel > m_okumuraHata
double InternalWallsLoss(Ptr< MobilityBuildingInfo > a, Ptr< MobilityBuildingInfo > b) const
mobility buildings information (to be used by mobility models)
a unique identifier for an interface.
Definition: type-id.h:58
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:923