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
34namespace ns3 {
35
36NS_LOG_COMPONENT_DEFINE ("OhBuildingsPropagationLossModel");
37
38NS_OBJECT_ENSURE_REGISTERED (OhBuildingsPropagationLossModel);
39
40
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
64
65double
67{
68 NS_LOG_FUNCTION (this << a << b);
69
70 // get the MobilityBuildingInfo pointers
73 NS_ASSERT_MSG (a1 && b1, "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 max(a, b)
Definition: 80211b.c:43
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)
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
this model combines the OkumuraHata model with the BuildingsPropagationLossModel
Ptr< OkumuraHataPropagationLossModel > m_okumuraHata
OkumuraHata Propagation Loss Model.
virtual double GetLoss(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:922
#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:88
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#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:281
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
Every class exported by the ns3 library is enclosed in the ns3 namespace.