A Discrete-Event Network Simulator
API
itu-r-1238-propagation-loss-model.cc
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1/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2011, 2012 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 * Nicola Baldo <nbaldo@cttc.es>
20 *
21 */
22#include "ns3/log.h"
23#include "ns3/double.h"
24#include "ns3/enum.h"
25#include "ns3/mobility-model.h"
26#include <cmath>
27
29#include <ns3/mobility-building-info.h>
30
31namespace ns3 {
32
33NS_LOG_COMPONENT_DEFINE ("ItuR1238PropagationLossModel");
34
35NS_OBJECT_ENSURE_REGISTERED (ItuR1238PropagationLossModel);
36
37
38TypeId
40{
41 static TypeId tid = TypeId ("ns3::ItuR1238PropagationLossModel")
42
44 .SetGroupName ("Buildings")
45
46 .AddAttribute ("Frequency",
47 "The Frequency (default is 2.106 GHz).",
48 DoubleValue (2160e6),
50 MakeDoubleChecker<double> ());
51
52 return tid;
53}
54
55double
57{
58 NS_LOG_FUNCTION (this << a1 << b1);
61 NS_ASSERT_MSG (a && b, "ItuR1238PropagationLossModel only works with MobilityBuildingInfo");
62 NS_ASSERT_MSG (a->GetBuilding ()->GetId () == b->GetBuilding ()->GetId (), "ITU-R 1238 applies only to nodes that are in the same building");
63 double N = 0.0;
64 int n = std::abs (a->GetFloorNumber () - b->GetFloorNumber ());
65 NS_LOG_LOGIC (this << " A floor " << (uint16_t)a->GetFloorNumber () << " B floor " << (uint16_t)b->GetFloorNumber () << " n " << n);
66 double Lf = 0.0;
67 Ptr<Building> aBuilding = a->GetBuilding ();
68 if (aBuilding->GetBuildingType () == Building::Residential)
69 {
70 N = 28;
71 if (n >= 1)
72 {
73 Lf = 4 * n;
74 }
75 NS_LOG_LOGIC (this << " Residential ");
76 }
77 else if (aBuilding->GetBuildingType () == Building::Office)
78 {
79 N = 30;
80 if (n >= 1)
81 {
82 Lf = 15 + (4 * (n - 1));
83 }
84 NS_LOG_LOGIC (this << " Office ");
85 }
86 else if (aBuilding->GetBuildingType () == Building::Commercial)
87 {
88 N = 22;
89 if (n >= 1)
90 {
91 Lf = 6 + (3 * (n - 1));
92 }
93 NS_LOG_LOGIC (this << " Commercial ");
94 }
95 else
96 {
97 NS_LOG_ERROR (this << " Unkwnon Wall Type");
98 }
99 double loss = 20 * std::log10 (m_frequency / 1e6 /*MHz*/) + N * std::log10 (a1->GetDistanceFrom (b1)) + Lf - 28.0;
100 NS_LOG_INFO (this << " Node " << a1->GetPosition () << " <-> " << b1->GetPosition () << " loss = " << loss << " dB");
101
102 return loss;
103}
104
105
106double
109 Ptr<MobilityModel> b) const
110{
111 return (txPowerDbm - GetLoss (a, b));
112}
113
114
115int64_t
117{
118 return 0;
119}
120
121
122} // namespace ns3
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:41
double GetLoss(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
virtual double DoCalcRxPower(double txPowerDbm, Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
PropagationLossModel.
virtual int64_t DoAssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
static TypeId GetTypeId(void)
Get the type ID.
mobility buildings information (to be used by mobility models)
double GetDistanceFrom(Ptr< const MobilityModel > position) const
Vector GetPosition(void) const
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
Models the propagation loss through a transmission medium.
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
Ptr< const AttributeAccessor > MakeDoubleAccessor(T1 a1)
Definition: double.h:42
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
Definition: log.h:257
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
Definition: log.h:289
#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.