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examples: Add wifi DSSS validation example

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Sébastien Deronne
2018-04-01 11:35:30 +02:00
parent 98ec98b72a
commit 06776fbf18
2 changed files with 102 additions and 0 deletions
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99
examples/wireless/dsss-validation.cc Normal file
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Sébastien Deronne <sebastien.deronne@gmail.com>
*/
// This example is used to validate error rate models for DSSS rates.
//
// It outputs plots of the Frame Success Rate versus the Signal-to-noise ratio
// for the DSSS error rate models and for every DSSS mode.
#include "ns3/gnuplot.h"
#include "ns3/core-module.h"
#include "ns3/yans-error-rate-model.h"
#include "ns3/nist-error-rate-model.h"
#include "ns3/wifi-tx-vector.h"
using namespace ns3;
int main (int argc, char *argv[])
{
uint32_t FrameSize = 1500; //bytes
std::ofstream file ("frame-success-rate-dsss.plt");
std::vector <std::string> modes;
modes.push_back ("DsssRate1Mbps");
modes.push_back ("DsssRate2Mbps");
modes.push_back ("DsssRate5_5Mbps");
modes.push_back ("DsssRate11Mbps");
CommandLine cmd;
cmd.AddValue ("FrameSize", "The frame size in bytes", FrameSize);
cmd.Parse (argc, argv);
Gnuplot plot = Gnuplot ("frame-success-rate-dsss.eps");
Ptr <YansErrorRateModel> yans = CreateObject<YansErrorRateModel> ();
Ptr <NistErrorRateModel> nist = CreateObject<NistErrorRateModel> ();
WifiTxVector txVector;
for (uint32_t i = 0; i < modes.size (); i++)
{
std::cout << modes[i] << std::endl;
Gnuplot2dDataset dataset (modes[i]);
txVector.SetMode (modes[i]);
for (double snr = -10.0; snr <= 20.0; snr += 0.1)
{
double psYans = yans->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0,snr / 10.0), FrameSize * 8);
if (psYans < 0.0 || psYans > 1.0)
{
//error
exit (1);
}
double psNist = nist->GetChunkSuccessRate (WifiMode (modes[i]), txVector, std::pow (10.0,snr / 10.0), FrameSize * 8);
if (psNist < 0.0 || psNist > 1.0)
{
std::cout<<psNist<<std::endl;
//error
exit (1);
}
if (psNist != psYans)
{
exit (1);
}
dataset.Add (snr, psNist);
}
plot.AddDataset (dataset);
}
plot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
plot.SetLegend ("SNR(dB)", "Frame Success Rate");
plot.SetExtra ("set xrange [-10:20]\n\
set yrange [0:1.2]\n\
set style line 1 linewidth 5\n\
set style line 2 linewidth 5\n\
set style line 3 linewidth 5\n\
set style line 4 linewidth 5\n\
set style line 5 linewidth 5\n\
set style line 6 linewidth 5\n\
set style line 7 linewidth 5\n\
set style line 8 linewidth 5\n\
set style increment user" );
plot.GenerateOutput (file);
file.close ();
}

3
examples/wireless/wscript
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@@ -40,6 +40,9 @@ def build(bld):
obj = bld.create_ns3_program('wifi-blockack', ['internet', 'mobility', 'wifi', 'applications'])
obj.source = 'wifi-blockack.cc'
obj = bld.create_ns3_program('dsss-validation', ['core', 'mobility', 'wifi', 'config-store', 'stats'])
obj.source = 'dsss-validation.cc'
obj = bld.create_ns3_program('ofdm-validation', ['core', 'mobility', 'wifi', 'config-store', 'stats'])
obj.source = 'ofdm-validation.cc'