A Discrete-Event Network Simulator
API
wifi-ofdm-ht-validation.cc
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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: Sébastien Deronne <sebastien.deronne@gmail.com>
17 */
18
19// This example is used to validate Nist, Yans and Table-based error rate models for HT 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 HT 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
33using namespace ns3;
34
35int main (int argc, char *argv[])
36{
37 uint32_t FrameSize = 1500; //bytes
38 std::ofstream yansfile ("yans-frame-success-rate-n.plt");
39 std::ofstream nistfile ("nist-frame-success-rate-n.plt");
40 std::ofstream tablefile ("table-frame-success-rate-n.plt");
41 std::vector <std::string> modes;
42
43 modes.push_back ("HtMcs0");
44 modes.push_back ("HtMcs1");
45 modes.push_back ("HtMcs2");
46 modes.push_back ("HtMcs3");
47 modes.push_back ("HtMcs4");
48 modes.push_back ("HtMcs5");
49 modes.push_back ("HtMcs6");
50 modes.push_back ("HtMcs7");
51
52
53 CommandLine cmd (__FILE__);
54 cmd.AddValue ("FrameSize", "The frame size in bytes", FrameSize);
55 cmd.Parse (argc, argv);
56
57 Gnuplot yansplot = Gnuplot ("yans-frame-success-rate-n.eps");
58 Gnuplot nistplot = Gnuplot ("nist-frame-success-rate-n.eps");
59 Gnuplot tableplot = Gnuplot ("table-frame-success-rate-n.eps");
60 WifiTxVector txVector;
61
62 Ptr <YansErrorRateModel> yans = CreateObject<YansErrorRateModel> ();
63 Ptr <NistErrorRateModel> nist = CreateObject<NistErrorRateModel> ();
64 Ptr <TableBasedErrorRateModel> table = CreateObject<TableBasedErrorRateModel> ();
65
66 for (uint32_t i = 0; i < modes.size (); i++)
67 {
68 std::cout << modes[i] << std::endl;
69 Gnuplot2dDataset yansdataset (modes[i]);
70 Gnuplot2dDataset nistdataset (modes[i]);
71 Gnuplot2dDataset tabledataset (modes[i]);
72 txVector.SetMode (modes[i]);
73
74 for (double snr = -5.0; snr <= 30.0; snr += 0.1)
75 {
76 double ps = yans->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
77 if (ps < 0.0 || ps > 1.0)
78 {
79 //error
80 exit (1);
81 }
82 yansdataset.Add (snr, ps);
83
84 ps = nist->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
85 if (ps < 0.0 || ps > 1.0)
86 {
87 //error
88 exit (1);
89 }
90 nistdataset.Add (snr, ps);
91
92 ps = table->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
93 if (ps < 0.0 || ps > 1.0)
94 {
95 //error
96 exit (1);
97 }
98 tabledataset.Add (snr, ps);
99 }
100
101 yansplot.AddDataset (yansdataset);
102 nistplot.AddDataset (nistdataset);
103 tableplot.AddDataset (tabledataset);
104 }
105
106 yansplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
107 yansplot.SetLegend ("SNR(dB)", "Frame Success Rate");
108 yansplot.SetExtra ("set xrange [-5:30]\n\
109set yrange [0:1.2]\n\
110set style line 1 linewidth 5\n\
111set style line 2 linewidth 5\n\
112set style line 3 linewidth 5\n\
113set style line 4 linewidth 5\n\
114set style line 5 linewidth 5\n\
115set style line 6 linewidth 5\n\
116set style line 7 linewidth 5\n\
117set style line 8 linewidth 5\n\
118set style increment user");
119 yansplot.GenerateOutput (yansfile);
120 yansfile.close ();
121
122 nistplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
123 nistplot.SetLegend ("SNR(dB)", "Frame Success Rate");
124 nistplot.SetExtra ("set xrange [-5:30]\n\
125set yrange [0:1.2]\n\
126set style line 1 linewidth 5\n\
127set style line 2 linewidth 5\n\
128set style line 3 linewidth 5\n\
129set style line 4 linewidth 5\n\
130set style line 5 linewidth 5\n\
131set style line 6 linewidth 5\n\
132set style line 7 linewidth 5\n\
133set style line 8 linewidth 5\n\
134set style increment user");
135
136 nistplot.GenerateOutput (nistfile);
137 nistfile.close ();
138
139 tableplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
140 tableplot.SetLegend ("SNR(dB)", "Frame Success Rate");
141 tableplot.SetExtra ("set xrange [-5:30]\n\
142set yrange [0:1.2]\n\
143set style line 1 linewidth 5\n\
144set style line 2 linewidth 5\n\
145set style line 3 linewidth 5\n\
146set style line 4 linewidth 5\n\
147set style line 5 linewidth 5\n\
148set style line 6 linewidth 5\n\
149set style line 7 linewidth 5\n\
150set style line 8 linewidth 5\n\
151set style increment user");
152
153 tableplot.GenerateOutput (tablefile);
154 tablefile.close ();
155}
Parse command-line arguments.
Definition: command-line.h:229
Class to represent a 2D points plot.
Definition: gnuplot.h:118
a simple class to generate gnuplot-ready plotting commands from a set of datasets.
Definition: gnuplot.h:372
void AddDataset(const GnuplotDataset &dataset)
Definition: gnuplot.cc:758
void SetLegend(const std::string &xLegend, const std::string &yLegend)
Definition: gnuplot.cc:738
void SetTerminal(const std::string &terminal)
Definition: gnuplot.cc:726
void GenerateOutput(std::ostream &os)
Writes gnuplot commands and data values to a single output stream.
Definition: gnuplot.cc:764
void SetExtra(const std::string &extra)
Definition: gnuplot.cc:745
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
represent a single transmission mode
Definition: wifi-mode.h:48
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
void SetMode(WifiMode mode)
Sets the selected payload transmission mode.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
cmd
Definition: second.py:35