A Discrete-Event Network Simulator
API
wifi-dsss-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 error rate models for DSSS rates.
20//
21// It outputs plots of the Frame Success Rate versus the Signal-to-noise ratio
22// for the DSSS error rate models and for every DSSS mode.
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 file ("frame-success-rate-dsss.plt");
39 std::vector <std::string> modes;
40
41 modes.push_back ("DsssRate1Mbps");
42 modes.push_back ("DsssRate2Mbps");
43 modes.push_back ("DsssRate5_5Mbps");
44 modes.push_back ("DsssRate11Mbps");
45
46 CommandLine cmd (__FILE__);
47 cmd.AddValue ("FrameSize", "The frame size in bytes", FrameSize);
48 cmd.Parse (argc, argv);
49
50 Gnuplot plot = Gnuplot ("frame-success-rate-dsss.eps");
51
52 Ptr <YansErrorRateModel> yans = CreateObject<YansErrorRateModel> ();
53 Ptr <NistErrorRateModel> nist = CreateObject<NistErrorRateModel> ();
54 Ptr <TableBasedErrorRateModel> table = CreateObject<TableBasedErrorRateModel> ();
55 WifiTxVector txVector;
56
57 for (uint32_t i = 0; i < modes.size (); i++)
58 {
59 std::cout << modes[i] << std::endl;
60 Gnuplot2dDataset dataset (modes[i]);
61 txVector.SetMode (modes[i]);
62
63 for (double snr = -10.0; snr <= 20.0; snr += 0.1)
64 {
65 double psYans = yans->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
66 if (psYans < 0.0 || psYans > 1.0)
67 {
68 //error
69 exit (1);
70 }
71 double psNist = nist->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
72 if (psNist < 0.0 || psNist > 1.0)
73 {
74 std::cout<<psNist<<std::endl;
75 //error
76 exit (1);
77 }
78 if (psNist != psYans)
79 {
80 exit (1);
81 }
82 double psTable = table->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0, snr / 10.0), FrameSize * 8);
83 if (psTable < 0.0 || psTable > 1.0)
84 {
85 std::cout << psTable << std::endl;
86 //error
87 exit (1);
88 }
89 if (psTable != psYans)
90 {
91 exit (1);
92 }
93 dataset.Add (snr, psYans);
94 }
95
96 plot.AddDataset (dataset);
97 }
98
99 plot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
100 plot.SetLegend ("SNR(dB)", "Frame Success Rate");
101 plot.SetExtra ("set xrange [-10:20]\n\
102set yrange [0:1.2]\n\
103set style line 1 linewidth 5\n\
104set style line 2 linewidth 5\n\
105set style line 3 linewidth 5\n\
106set style line 4 linewidth 5\n\
107set style line 5 linewidth 5\n\
108set style line 6 linewidth 5\n\
109set style line 7 linewidth 5\n\
110set style line 8 linewidth 5\n\
111set style increment user" );
112 plot.GenerateOutput (file);
113 file.close ();
114}
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