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oh-buildings-propagation-loss-model.cc
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1/*
2 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Author: Marco Miozzo <marco.miozzo@cttc.es>
18 *
19 */
20
22
23#include "ns3/double.h"
24#include "ns3/enum.h"
25#include "ns3/log.h"
26#include "ns3/mobility-model.h"
27#include "ns3/okumura-hata-propagation-loss-model.h"
28#include "ns3/pointer.h"
29#include "ns3/propagation-loss-model.h"
30#include <ns3/mobility-building-info.h>
31
32#include <cmath>
33
34namespace ns3
35{
36
37NS_LOG_COMPONENT_DEFINE("OhBuildingsPropagationLossModel");
38
39NS_OBJECT_ENSURE_REGISTERED(OhBuildingsPropagationLossModel);
40
42{
43 m_okumuraHata = CreateObject<OkumuraHataPropagationLossModel>();
44}
45
47{
48}
49
52{
53 static TypeId tid = TypeId("ns3::OhBuildingsPropagationLossModel")
54
56 .SetGroupName("Buildings")
57
58 .AddConstructor<OhBuildingsPropagationLossModel>();
59
60 return tid;
61}
62
63double
65{
66 NS_LOG_FUNCTION(this << a << b);
67
68 // get the MobilityBuildingInfo pointers
71 NS_ASSERT_MSG(a1 && b1, "OhBuildingsPropagationLossModel only works with MobilityBuildingInfo");
72
73 double loss = 0.0;
74
75 bool isAIndoor = a1->IsIndoor();
76 bool isBIndoor = b1->IsIndoor();
77
78 if (!isAIndoor) // a is outdoor
79 {
80 if (!isBIndoor) // b is outdoor
81 {
82 loss = m_okumuraHata->GetLoss(a, b);
83 NS_LOG_INFO(this << " O-O : " << loss);
84 }
85 else
86 {
87 // b indoor
88 loss = m_okumuraHata->GetLoss(a, b) + ExternalWallLoss(b1);
89 NS_LOG_INFO(this << " O-I : " << loss);
90 } // end b1->isIndoor ()
91 }
92 else
93 {
94 // a is indoor
95 if (isBIndoor) // b is indoor
96 {
97 if (a1->GetBuilding() == b1->GetBuilding())
98 {
99 // nodes are in same building -> indoor communication ITU-R P.1238
100 loss = m_okumuraHata->GetLoss(a, b) + InternalWallsLoss(a1, b1);
101 NS_LOG_INFO(this << " I-I (same building)" << loss);
102 }
103 else
104 {
105 // nodes are in different buildings
106 loss = m_okumuraHata->GetLoss(a, b) + ExternalWallLoss(a1) + ExternalWallLoss(b1);
107 NS_LOG_INFO(this << " I-O-I (different buildings): " << loss);
108 }
109 }
110 else
111 {
112 loss = m_okumuraHata->GetLoss(a, b) + ExternalWallLoss(a1);
113 NS_LOG_INFO(this << " I-O : " << loss);
114 } // end if (isBIndoor)
115 } // end if (!isAIndoor)
116
117 loss = std::max(0.0, loss);
118 return loss;
119}
120
121} // namespace ns3
This model provides means for simulating the following propagation phenomena in the presence of build...
double ExternalWallLoss(Ptr< MobilityBuildingInfo > a) const
Calculate the external wall loss.
double InternalWallsLoss(Ptr< MobilityBuildingInfo > a, Ptr< MobilityBuildingInfo > b) const
Calculate the internal wall loss.
mobility buildings information (to be used by mobility models)
this model combines the OkumuraHata model with the BuildingsPropagationLossModel
Ptr< OkumuraHataPropagationLossModel > m_okumuraHata
OkumuraHata Propagation Loss Model.
double GetLoss(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const override
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:936
#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:86
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:275
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:46
Every class exported by the ns3 library is enclosed in the ns3 namespace.