A Discrete-Event Network Simulator
API
wifi-ofdm-he-validation.cc
Go to the documentation of this file.
1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License version 2 as
5  * published by the Free Software Foundation;
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15  *
16  * Author: S├ębastien Deronne <sebastien.deronne@gmail.com>
17  */
18 
19 // This example is used to validate Nist, Yans and Table-based error rate models for HE rates.
20 //
21 // It outputs plots of the Frame Success Rate versus the Signal-to-noise ratio for
22 // Nist, Yans and Table-based error rate models and for every HE MCS value.
23 
24 #include <fstream>
25 #include <cmath>
26 #include "ns3/gnuplot.h"
27 #include "ns3/command-line.h"
28 #include "ns3/yans-error-rate-model.h"
29 #include "ns3/nist-error-rate-model.h"
30 #include "ns3/table-based-error-rate-model.h"
31 #include "ns3/wifi-tx-vector.h"
32 
33 using namespace ns3;
34 
35 int main (int argc, char *argv[])
36 {
37  uint32_t FrameSize = 1500; //bytes
38  std::ofstream yansfile ("yans-frame-success-rate-ax.plt");
39  std::ofstream nistfile ("nist-frame-success-rate-ax.plt");
40  std::ofstream tablefile ("table-frame-success-rate-ax.plt");
41  std::vector <std::string> modes;
42 
43  modes.push_back ("HeMcs0");
44  modes.push_back ("HeMcs1");
45  modes.push_back ("HeMcs2");
46  modes.push_back ("HeMcs3");
47  modes.push_back ("HeMcs4");
48  modes.push_back ("HeMcs5");
49  modes.push_back ("HeMcs6");
50  modes.push_back ("HeMcs7");
51  modes.push_back ("HeMcs8");
52  modes.push_back ("HeMcs9");
53  modes.push_back ("HeMcs10");
54  modes.push_back ("HeMcs11");
55 
56  CommandLine cmd (__FILE__);
57  cmd.AddValue ("FrameSize", "The frame size", FrameSize);
58  cmd.Parse (argc, argv);
59 
60  Gnuplot yansplot = Gnuplot ("yans-frame-success-rate-ax.eps");
61  Gnuplot nistplot = Gnuplot ("nist-frame-success-rate-ax.eps");
62  Gnuplot tableplot = Gnuplot ("table-frame-success-rate-ax.eps");
63 
64  Ptr <YansErrorRateModel> yans = CreateObject<YansErrorRateModel> ();
65  Ptr <NistErrorRateModel> nist = CreateObject<NistErrorRateModel> ();
66  Ptr <TableBasedErrorRateModel> table = CreateObject<TableBasedErrorRateModel> ();
67  WifiTxVector txVector;
68 
69  for (uint32_t i = 0; i < modes.size (); i++)
70  {
71  std::cout << modes[i] << std::endl;
72  Gnuplot2dDataset yansdataset (modes[i]);
73  Gnuplot2dDataset nistdataset (modes[i]);
74  Gnuplot2dDataset tabledataset (modes[i]);
75  txVector.SetMode (modes[i]);
76 
77  for (double snr = -5.0; snr <= 40.0; snr += 0.1)
78  {
79  double ps = yans->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
80  if (ps < 0.0 || ps > 1.0)
81  {
82  //error
83  exit (1);
84  }
85  yansdataset.Add (snr, ps);
86 
87  ps = nist->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
88  if (ps < 0.0 || ps > 1.0)
89  {
90  //error
91  exit (1);
92  }
93  nistdataset.Add (snr, ps);
94 
95  ps = table->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
96  if (ps < 0.0 || ps > 1.0)
97  {
98  //error
99  exit (1);
100  }
101  tabledataset.Add (snr, ps);
102  }
103 
104  yansplot.AddDataset (yansdataset);
105  nistplot.AddDataset (nistdataset);
106  tableplot.AddDataset (tabledataset);
107  }
108 
109  yansplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
110  yansplot.SetLegend ("SNR(dB)", "Frame Success Rate");
111  yansplot.SetExtra ("set xrange [-5:55]\n\
112 set yrange [0:1]\n\
113 set style line 1 linewidth 5\n\
114 set style line 2 linewidth 5\n\
115 set style line 3 linewidth 5\n\
116 set style line 4 linewidth 5\n\
117 set style line 5 linewidth 5\n\
118 set style line 6 linewidth 5\n\
119 set style line 7 linewidth 5\n\
120 set style line 8 linewidth 5\n\
121 set style line 9 linewidth 5\n\
122 set style line 10 linewidth 5\n\
123 set style line 11 linewidth 5\n\
124 set style line 12 linewidth 5\n\
125 set style increment user");
126  yansplot.GenerateOutput (yansfile);
127  yansfile.close ();
128 
129  nistplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
130  nistplot.SetLegend ("SNR(dB)", "Frame Success Rate");
131  nistplot.SetExtra ("set xrange [-5:55]\n\
132 set yrange [0:1]\n\
133 set style line 1 linewidth 5\n\
134 set style line 2 linewidth 5\n\
135 set style line 3 linewidth 5\n\
136 set style line 4 linewidth 5\n\
137 set style line 5 linewidth 5\n\
138 set style line 6 linewidth 5\n\
139 set style line 7 linewidth 5\n\
140 set style line 8 linewidth 5\n\
141 set style line 9 linewidth 5\n\
142 set style line 10 linewidth 5\n\
143 set style line 11 linewidth 5\n\
144 set style line 12 linewidth 5\n\
145 set style increment user");
146 
147  nistplot.GenerateOutput (nistfile);
148  nistfile.close ();
149 
150  tableplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
151  tableplot.SetLegend ("SNR(dB)", "Frame Success Rate");
152  tableplot.SetExtra ("set xrange [-5:55]\n\
153 set yrange [0:1]\n\
154 set style line 1 linewidth 5\n\
155 set style line 2 linewidth 5\n\
156 set style line 3 linewidth 5\n\
157 set style line 4 linewidth 5\n\
158 set style line 5 linewidth 5\n\
159 set style line 6 linewidth 5\n\
160 set style line 7 linewidth 5\n\
161 set style line 8 linewidth 5\n\
162 set style line 9 linewidth 5\n\
163 set style line 10 linewidth 5\n\
164 set style line 11 linewidth 5\n\
165 set style line 12 linewidth 5\n\
166 set style increment user");
167 
168  tableplot.GenerateOutput (tablefile);
169  tablefile.close ();
170 }
ns3::CommandLine
Parse command-line arguments.
Definition: command-line.h:228
ns3::Gnuplot::SetLegend
void SetLegend(const std::string &xLegend, const std::string &yLegend)
Definition: gnuplot.cc:736
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::Gnuplot
a simple class to generate gnuplot-ready plotting commands from a set of datasets.
Definition: gnuplot.h:372
ns3::Gnuplot::SetTerminal
void SetTerminal(const std::string &terminal)
Definition: gnuplot.cc:724
ns3::WifiTxVector::SetMode
void SetMode(WifiMode mode)
Sets the selected payload transmission mode.
Definition: wifi-tx-vector.cc:225
ns3::WifiTxVector
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
Definition: wifi-tx-vector.h:71
ns3::Gnuplot::GenerateOutput
void GenerateOutput(std::ostream &os)
Writes gnuplot commands and data values to a single output stream.
Definition: gnuplot.cc:762
ns3::Gnuplot::SetExtra
void SetExtra(const std::string &extra)
Definition: gnuplot.cc:743
ns3::Gnuplot2dDataset
Class to represent a 2D points plot.
Definition: gnuplot.h:118
ns3::ErrorRateModel::GetChunkSuccessRate
double GetChunkSuccessRate(WifiMode mode, const WifiTxVector &txVector, double snr, uint64_t nbits, uint8_t numRxAntennas=1, WifiPpduField field=WIFI_PPDU_FIELD_DATA, uint16_t staId=SU_STA_ID) const
This method returns the probability that the given 'chunk' of the packet will be successfully receive...
Definition: error-rate-model.cc:63
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
ns3::WifiMode
represent a single transmission mode
Definition: wifi-mode.h:48
second.cmd
cmd
Definition: second.py:35
ns3::Gnuplot::AddDataset
void AddDataset(const GnuplotDataset &dataset)
Definition: gnuplot.cc:756