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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
24
25#include "ns3/double.h"
26#include "ns3/enum.h"
27#include "ns3/log.h"
28#include "ns3/mobility-model.h"
29#include "ns3/okumura-hata-propagation-loss-model.h"
30#include "ns3/pointer.h"
31#include "ns3/propagation-loss-model.h"
32
33#include <cmath>
34
35namespace ns3
36{
37
38NS_LOG_COMPONENT_DEFINE("OhBuildingsPropagationLossModel");
39
40NS_OBJECT_ENSURE_REGISTERED(OhBuildingsPropagationLossModel);
41
43{
44 m_okumuraHata = CreateObject<OkumuraHataPropagationLossModel>();
45}
46
48{
49}
50
53{
54 static TypeId tid = TypeId("ns3::OhBuildingsPropagationLossModel")
55
57 .SetGroupName("Buildings")
58
59 .AddConstructor<OhBuildingsPropagationLossModel>();
60
61 return tid;
62}
63
64double
66{
67 NS_LOG_FUNCTION(this << a << b);
68
69 // get the MobilityBuildingInfo pointers
72 NS_ASSERT_MSG(a1 && b1, "OhBuildingsPropagationLossModel only works with MobilityBuildingInfo");
73
74 double loss = 0.0;
75
76 bool isAIndoor = a1->IsIndoor();
77 bool isBIndoor = b1->IsIndoor();
78
79 if (!isAIndoor) // a is outdoor
80 {
81 if (!isBIndoor) // b is outdoor
82 {
83 loss = m_okumuraHata->GetLoss(a, b);
84 NS_LOG_INFO(this << " O-O : " << loss);
85 }
86 else
87 {
88 // b indoor
89 loss = m_okumuraHata->GetLoss(a, b) + ExternalWallLoss(b1);
90 NS_LOG_INFO(this << " O-I : " << loss);
91 } // end b1->isIndoor ()
92 }
93 else
94 {
95 // a is indoor
96 if (isBIndoor) // b is indoor
97 {
98 if (a1->GetBuilding() == b1->GetBuilding())
99 {
100 // nodes are in same building -> indoor communication ITU-R P.1238
101 loss = m_okumuraHata->GetLoss(a, b) + InternalWallsLoss(a1, b1);
102 NS_LOG_INFO(this << " I-I (same building)" << loss);
103 }
104 else
105 {
106 // nodes are in different buildings
107 loss = m_okumuraHata->GetLoss(a, b) + ExternalWallLoss(a1) + ExternalWallLoss(b1);
108 NS_LOG_INFO(this << " I-O-I (different buildings): " << loss);
109 }
110 }
111 else
112 {
113 loss = m_okumuraHata->GetLoss(a, b) + ExternalWallLoss(a1);
114 NS_LOG_INFO(this << " I-O : " << loss);
115 } // end if (isBIndoor)
116 } // end if (!isAIndoor)
117
118 loss = std::max(0.0, loss);
119 return loss;
120}
121
122} // 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:77
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:932
#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.