A Discrete-Event Network Simulator
API
ofdm-ht-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 HT 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 HT MCS value.
23 
24 #include "ns3/core-module.h"
25 #include "ns3/yans-error-rate-model.h"
26 #include "ns3/nist-error-rate-model.h"
27 #include "ns3/gnuplot.h"
28 
29 using namespace ns3;
30 
31 int main (int argc, char *argv[])
32 {
33  uint32_t FrameSize = 1500; //bytes
34  std::ofstream yansfile ("yans-frame-success-rate-n.plt");
35  std::ofstream nistfile ("nist-frame-success-rate-n.plt");
36  std::vector <std::string> modes;
37 
38  modes.push_back ("HtMcs0");
39  modes.push_back ("HtMcs1");
40  modes.push_back ("HtMcs2");
41  modes.push_back ("HtMcs3");
42  modes.push_back ("HtMcs4");
43  modes.push_back ("HtMcs5");
44  modes.push_back ("HtMcs6");
45  modes.push_back ("HtMcs7");
46 
47 
49  cmd.AddValue ("FrameSize", "The frame size in bytes", FrameSize);
50  cmd.Parse (argc, argv);
51 
52  Gnuplot yansplot = Gnuplot ("yans-frame-success-rate-n.eps");
53  Gnuplot nistplot = Gnuplot ("nist-frame-success-rate-n.eps");
54  WifiTxVector txVector;
55 
56  Ptr <YansErrorRateModel> yans = CreateObject<YansErrorRateModel> ();
57  Ptr <NistErrorRateModel> nist = CreateObject<NistErrorRateModel> ();
58 
59  for (uint32_t i = 0; i < modes.size (); i++)
60  {
61  std::cout << modes[i] << std::endl;
62  Gnuplot2dDataset yansdataset (modes[i]);
63  Gnuplot2dDataset nistdataset (modes[i]);
64  txVector.SetMode (modes[i]);
65 
66  for (double snr = -5.0; snr <= 30.0; snr += 0.1)
67  {
68  double ps = yans->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0,snr / 10.0), FrameSize * 8);
69  yansdataset.Add (snr, ps);
70  if (ps < 0 || ps > 1)
71  {
72  //error
73  return 0;
74  }
75  ps = nist->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0,snr / 10.0), FrameSize * 8);
76  if (ps < 0 || ps > 1)
77  {
78  //error
79  return 0;
80  }
81  nistdataset.Add (snr, ps);
82  }
83 
84  yansplot.AddDataset (yansdataset);
85  nistplot.AddDataset (nistdataset);
86  }
87 
88  yansplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
89  yansplot.SetLegend ("SNR(dB)", "Frame Success Rate");
90  yansplot.SetExtra ("set xrange [-5:30]\n\
91 set yrange [0:1.2]\n\
92 set style line 1 linewidth 5\n\
93 set style line 2 linewidth 5\n\
94 set style line 3 linewidth 5\n\
95 set style line 4 linewidth 5\n\
96 set style line 5 linewidth 5\n\
97 set style line 6 linewidth 5\n\
98 set style line 7 linewidth 5\n\
99 set style line 8 linewidth 5\n\
100 set style increment user" );
101  yansplot.GenerateOutput (yansfile);
102  yansfile.close ();
103 
104  nistplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
105  nistplot.SetLegend ("SNR(dB)", "Frame Success Rate");
106  nistplot.SetExtra ("set xrange [-5:30]\n\
107 set yrange [0:1.2]\n\
108 set style line 1 linewidth 5\n\
109 set style line 2 linewidth 5\n\
110 set style line 3 linewidth 5\n\
111 set style line 4 linewidth 5\n\
112 set style line 5 linewidth 5\n\
113 set style line 6 linewidth 5\n\
114 set style line 7 linewidth 5\n\
115 set style line 8 linewidth 5\n\
116 set style increment user" );
117 
118  nistplot.GenerateOutput (nistfile);
119  nistfile.close ();
120 }
121 
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 SetMode(WifiMode mode)
Sets the selected payload transmission mode.
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