A Discrete-Event Network Simulator
API
tv-trans-regional-example.cc
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2014 University of Washington
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: Benjamin Cizdziel <ben.cizdziel@gmail.com>
19 */
20
21#include <iostream>
22#include <stdlib.h>
23#include <ns3/core-module.h>
24#include <ns3/mobility-module.h>
25#include <ns3/spectrum-helper.h>
26#include <ns3/spectrum-analyzer-helper.h>
27#include <ns3/tv-spectrum-transmitter-helper.h>
28
29using namespace ns3;
30
42int main (int argc, char** argv)
43{
44 CommandLine cmd (__FILE__);
45 cmd.Parse (argc, argv);
46
47 /* random seed and run number; adjust these to change random draws */
48 RngSeedManager::SetSeed(1);
49 RngSeedManager::SetRun(3);
50
51 /* nodes and positions */
52 NodeContainer spectrumAnalyzerNodes;
53 spectrumAnalyzerNodes.Create (1);
55 Ptr<ListPositionAllocator> nodePositionList = CreateObject<ListPositionAllocator> ();
56 Vector coordinates = GeographicPositions::GeographicToCartesianCoordinates (48.86,
57 2.35,
58 0,
59 GeographicPositions::SPHERE);
60 nodePositionList->Add (coordinates); // spectrum analyzer
61 mobility.SetPositionAllocator (nodePositionList);
62 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
63 mobility.Install (spectrumAnalyzerNodes);
64
65 /* channel and propagation */
66 SpectrumChannelHelper channelHelper = SpectrumChannelHelper::Default ();
67 channelHelper.SetChannel ("ns3::MultiModelSpectrumChannel");
68 Ptr<SpectrumChannel> channel = channelHelper.Create ();
69
70 /* TV transmitter setup */
71 TvSpectrumTransmitterHelper tvTransHelper;
72 tvTransHelper.SetChannel (channel);
73 tvTransHelper.SetAttribute ("StartingTime", TimeValue (Seconds (0.1)));
74 tvTransHelper.SetAttribute ("TransmitDuration", TimeValue (Seconds (0.1)));
75 // 7.96 dBm/Hz from 50 kW ERP transmit power, flat 8 MHz PSD spectrum assumed for this approximation
76 tvTransHelper.SetAttribute ("BasePsd", DoubleValue (7.96));
77 tvTransHelper.SetAttribute ("TvType", EnumValue (TvSpectrumTransmitter::TVTYPE_COFDM));
78 tvTransHelper.SetAttribute ("Antenna", StringValue ("ns3::IsotropicAntennaModel"));
79
80 tvTransHelper.AssignStreams (300);
81 tvTransHelper.CreateRegionalTvTransmitters(TvSpectrumTransmitterHelper::REGION_EUROPE,
82 TvSpectrumTransmitterHelper::DENSITY_MEDIUM,
83 48.86,
84 2.35,
85 0,
86 250000);
87
88 /* frequency range for spectrum analyzer */
89 std::vector<double> freqs;
90 for (int i = 0; i < 6860; i = i + 5)
91 {
92 freqs.push_back ((i + 1740) * 1e5);
93 }
94 Ptr<SpectrumModel> spectrumAnalyzerFreqModel = Create<SpectrumModel> (freqs);
95
96 /* spectrum analyzer setup */
97 SpectrumAnalyzerHelper spectrumAnalyzerHelper;
98 spectrumAnalyzerHelper.SetChannel (channel);
99 spectrumAnalyzerHelper.SetRxSpectrumModel (spectrumAnalyzerFreqModel);
100 spectrumAnalyzerHelper.SetPhyAttribute ("NoisePowerSpectralDensity", DoubleValue (4.14e-21)); // approx -174 dBm/Hz
101 spectrumAnalyzerHelper.EnableAsciiAll ("spectrum-analyzer-tv-sim-regional");
102 NetDeviceContainer spectrumAnalyzerDevices = spectrumAnalyzerHelper.Install (spectrumAnalyzerNodes);
103
104 Simulator::Stop (Seconds (0.4));
105
106 Simulator::Run ();
107
108 Simulator::Destroy ();
109
110 std::cout << "simulation done!" << std::endl;
111 std::cout << "see spectrum analyzer output file" << std::endl;
112
113 return 0;
114}
Parse command-line arguments.
Definition: command-line.h:229
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:41
Hold variables of type enum.
Definition: enum.h:55
Helper class used to assign positions and mobility models to nodes.
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
Class to allow the Spectrum Analysis.
NetDeviceContainer Install(NodeContainer c) const
void SetPhyAttribute(std::string name, const AttributeValue &v)
void SetChannel(Ptr< SpectrumChannel > channel)
Set the SpectrumChannel that will be used by SpectrumPhy instances created by this helper.
void EnableAsciiAll(std::string prefix)
Enable ASCII output.
void SetRxSpectrumModel(Ptr< SpectrumModel > m)
Set the spectrum model used by the created SpectrumAnalyzer instances to represent incoming signals.
Setup a SpectrumChannel.
void SetChannel(std::string type, std::string n0="", const AttributeValue &v0=EmptyAttributeValue(), std::string n1="", const AttributeValue &v1=EmptyAttributeValue(), std::string n2="", const AttributeValue &v2=EmptyAttributeValue(), std::string n3="", const AttributeValue &v3=EmptyAttributeValue(), std::string n4="", const AttributeValue &v4=EmptyAttributeValue(), std::string n5="", const AttributeValue &v5=EmptyAttributeValue(), std::string n6="", const AttributeValue &v6=EmptyAttributeValue(), std::string n7="", const AttributeValue &v7=EmptyAttributeValue())
Ptr< SpectrumChannel > Create(void) const
Hold variables of type string.
Definition: string.h:41
AttributeValue implementation for Time.
Definition: nstime.h:1308
Helper class which uses TvSpectrumTransmitter class to create customizable TV transmitter(s) that tra...
void SetChannel(Ptr< SpectrumChannel > c)
Set the spectrum channel for the device(s) to transmit on.
int64_t AssignStreams(int64_t streamNum)
Assigns the stream number for the uniform random number generator to use.
void CreateRegionalTvTransmitters(Region region, Density density, double originLatitude, double originLongitude, double maxAltitude, double maxRadius)
Generates and installs (starts transmission on the spectrum channel) a random number of TV transmitte...
void SetAttribute(std::string name, const AttributeValue &val)
Set attribute for each TvSpectrumTransmitter instance to be created.
Vector3D Vector
Vector alias typedef for compatibility with mobility models.
Definition: vector.h:324
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
Every class exported by the ns3 library is enclosed in the ns3 namespace.
cmd
Definition: second.py:35
channel
Definition: third.py:92
mobility
Definition: third.py:107