A Discrete-Event Network Simulator
API
ofdm-vht-validation.cc
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16  * Authors: S├ębastien Deronne <sebastien.deronne@gmail.com>
17  */
18 
19 // This example is used to validate NIST and YANS error rate models for VHT rates.
20 //
21 // It outputs plots of the Frame Success Rate versus the Signal-to-noise ratio for
22 // both NIST and YANS error rate models and for every VHT MCS value (MCS 9 is not
23 // included since it is forbidden for 20 MHz channels).
24 
25 #include "ns3/core-module.h"
26 #include "ns3/yans-error-rate-model.h"
27 #include "ns3/nist-error-rate-model.h"
28 #include "ns3/gnuplot.h"
29 
30 using namespace ns3;
31 
32 int main (int argc, char *argv[])
33 {
34  uint32_t FrameSize = 1500; //bytes
35  std::ofstream yansfile ("yans-frame-success-rate-ac.plt");
36  std::ofstream nistfile ("nist-frame-success-rate-ac.plt");
37  std::vector <std::string> modes;
38 
39  modes.push_back ("VhtMcs0");
40  modes.push_back ("VhtMcs1");
41  modes.push_back ("VhtMcs2");
42  modes.push_back ("VhtMcs3");
43  modes.push_back ("VhtMcs4");
44  modes.push_back ("VhtMcs5");
45  modes.push_back ("VhtMcs6");
46  modes.push_back ("VhtMcs7");
47  modes.push_back ("VhtMcs8");
48 
50  cmd.AddValue ("FrameSize", "The frame size in bytes", FrameSize);
51  cmd.Parse (argc, argv);
52 
53  Gnuplot yansplot = Gnuplot ("yans-frame-success-rate-ac.eps");
54  Gnuplot nistplot = Gnuplot ("nist-frame-success-rate-ac.eps");
55 
56  Ptr <YansErrorRateModel> yans = CreateObject<YansErrorRateModel> ();
57  Ptr <NistErrorRateModel> nist = CreateObject<NistErrorRateModel> ();
58  WifiTxVector txVector;
59 
60  for (uint32_t i = 0; i < modes.size (); i++)
61  {
62  std::cout << modes[i] << std::endl;
63  Gnuplot2dDataset yansdataset (modes[i]);
64  Gnuplot2dDataset nistdataset (modes[i]);
65  txVector.SetMode (modes[i]);
66 
67  for (double snr = -5.0; snr <= 30.0; snr += 0.1)
68  {
69  double ps = yans->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0,snr / 10.0), FrameSize * 8);
70  if (ps < 0 || ps > 1)
71  {
72  //error
73  return 0;
74  }
75  yansdataset.Add (snr, ps);
76  ps = nist->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0,snr / 10.0), FrameSize * 8);
77  if (ps < 0 || ps > 1)
78  {
79  //error
80  return 0;
81  }
82  nistdataset.Add (snr, ps);
83  }
84 
85  yansplot.AddDataset (yansdataset);
86  nistplot.AddDataset (nistdataset);
87  }
88 
89  yansplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
90  yansplot.SetLegend ("SNR(dB)", "Frame Success Rate");
91  yansplot.SetExtra ("set xrange [-5:55]\n\
92 set yrange [0:1]\n\
93 set style line 1 linewidth 5\n\
94 set style line 2 linewidth 5\n\
95 set style line 3 linewidth 5\n\
96 set style line 4 linewidth 5\n\
97 set style line 5 linewidth 5\n\
98 set style line 6 linewidth 5\n\
99 set style line 7 linewidth 5\n\
100 set style line 8 linewidth 5\n\
101 set style line 9 linewidth 5\n\
102 set style increment user" );
103  yansplot.GenerateOutput (yansfile);
104  yansfile.close ();
105 
106  nistplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
107  nistplot.SetLegend ("SNR(dB)", "Frame Success Rate");
108  nistplot.SetExtra ("set xrange [-5:55]\n\
109 set yrange [0:1]\n\
110 set style line 1 linewidth 5\n\
111 set style line 2 linewidth 5\n\
112 set style line 3 linewidth 5\n\
113 set style line 4 linewidth 5\n\
114 set style line 5 linewidth 5\n\
115 set style line 6 linewidth 5\n\
116 set style line 7 linewidth 5\n\
117 set style line 8 linewidth 5\n\
118 set style line 9 linewidth 5\n\
119 set style increment user" );
120 
121  nistplot.GenerateOutput (nistfile);
122  nistfile.close ();
123 }
124 
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:73
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
Class to represent a 2D points plot.
Definition: gnuplot.h:117
void AddDataset(const GnuplotDataset &dataset)
Definition: gnuplot.cc:756
represent a single transmission modeA WifiMode is implemented by a single integer which is used to lo...
Definition: wifi-mode.h:97
tuple cmd
Definition: second.py:35
a simple class to generate gnuplot-ready plotting commands from a set of datasets.
Definition: gnuplot.h:371
virtual double GetChunkSuccessRate(WifiMode mode, WifiTxVector txVector, double snr, uint32_t nbits) const
A pure virtual method that must be implemented in the subclass.
void GenerateOutput(std::ostream &os)
Writes gnuplot commands and data values to a single output stream.
Definition: gnuplot.cc:762
Parse command-line arguments.
Definition: command-line.h:205
void SetLegend(const std::string &xLegend, const std::string &yLegend)
Definition: gnuplot.cc:736
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void SetExtra(const std::string &extra)
Definition: gnuplot.cc:743
void AddValue(const std::string &name, const std::string &help, T &value)
Add a program argument, assigning to POD.
Definition: command-line.h:498
void Parse(int argc, char *argv[])
Parse the program arguments.
void SetTerminal(const std::string &terminal)
Definition: gnuplot.cc:724