159 lines
4.8 KiB
C++
159 lines
4.8 KiB
C++
/*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Sébastien Deronne <sebastien.deronne@gmail.com>
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*/
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// This example is used to validate Nist, Yans and Table-based error rate models for VHT rates.
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//
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// It outputs plots of the Frame Success Rate versus the Signal-to-noise ratio for
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// Nist, Yans and Table-based error rate models and for every VHT MCS value (MCS 9 is not
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// included since it is forbidden for 20 MHz channels).
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#include "ns3/command-line.h"
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#include "ns3/gnuplot.h"
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#include "ns3/nist-error-rate-model.h"
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#include "ns3/table-based-error-rate-model.h"
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#include "ns3/wifi-tx-vector.h"
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#include "ns3/yans-error-rate-model.h"
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#include <cmath>
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#include <fstream>
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using namespace ns3;
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int
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main(int argc, char* argv[])
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{
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uint32_t frameSizeBytes = 1500;
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std::ofstream yansfile("yans-frame-success-rate-ac.plt");
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std::ofstream nistfile("nist-frame-success-rate-ac.plt");
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std::ofstream tablefile("table-frame-success-rate-ac.plt");
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const std::vector<std::string> modes{
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"VhtMcs0",
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"VhtMcs1",
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"VhtMcs2",
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"VhtMcs3",
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"VhtMcs4",
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"VhtMcs5",
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"VhtMcs6",
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"VhtMcs7",
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"VhtMcs8",
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};
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CommandLine cmd(__FILE__);
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cmd.AddValue("FrameSize", "The frame size in bytes", frameSizeBytes);
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cmd.Parse(argc, argv);
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Gnuplot yansplot = Gnuplot("yans-frame-success-rate-ac.eps");
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Gnuplot nistplot = Gnuplot("nist-frame-success-rate-ac.eps");
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Gnuplot tableplot = Gnuplot("table-frame-success-rate-ac.eps");
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Ptr<YansErrorRateModel> yans = CreateObject<YansErrorRateModel>();
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Ptr<NistErrorRateModel> nist = CreateObject<NistErrorRateModel>();
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Ptr<TableBasedErrorRateModel> table = CreateObject<TableBasedErrorRateModel>();
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WifiTxVector txVector;
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uint32_t frameSizeBits = frameSizeBytes * 8;
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for (const auto& mode : modes)
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{
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std::cout << mode << std::endl;
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Gnuplot2dDataset yansdataset(mode);
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Gnuplot2dDataset nistdataset(mode);
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Gnuplot2dDataset tabledataset(mode);
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txVector.SetMode(mode);
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WifiMode wifiMode(mode);
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for (double snrDb = -5.0; snrDb <= 30.0; snrDb += 0.1)
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{
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double snr = std::pow(10.0, snrDb / 10.0);
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double ps = yans->GetChunkSuccessRate(wifiMode, txVector, snr, frameSizeBits);
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if (ps < 0.0 || ps > 1.0)
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{
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// error
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exit(1);
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}
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yansdataset.Add(snrDb, ps);
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ps = nist->GetChunkSuccessRate(wifiMode, txVector, snr, frameSizeBits);
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if (ps < 0.0 || ps > 1.0)
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{
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// error
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exit(1);
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}
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nistdataset.Add(snrDb, ps);
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ps = table->GetChunkSuccessRate(wifiMode, txVector, snr, frameSizeBits);
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if (ps < 0.0 || ps > 1.0)
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{
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// error
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exit(1);
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}
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tabledataset.Add(snrDb, ps);
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}
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yansplot.AddDataset(yansdataset);
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nistplot.AddDataset(nistdataset);
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tableplot.AddDataset(tabledataset);
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}
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yansplot.SetTerminal("postscript eps color enh \"Times-BoldItalic\"");
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yansplot.SetLegend("SNR(dB)", "Frame Success Rate");
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yansplot.SetExtra("set xrange [-5:55]\n\
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set yrange [0:1]\n\
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set style line 1 linewidth 5\n\
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set style line 2 linewidth 5\n\
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set style line 3 linewidth 5\n\
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set style line 4 linewidth 5\n\
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set style line 5 linewidth 5\n\
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set style line 6 linewidth 5\n\
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set style line 7 linewidth 5\n\
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set style line 8 linewidth 5\n\
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set style line 9 linewidth 5\n\
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set style increment user");
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yansplot.GenerateOutput(yansfile);
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yansfile.close();
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nistplot.SetTerminal("postscript eps color enh \"Times-BoldItalic\"");
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nistplot.SetLegend("SNR(dB)", "Frame Success Rate");
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nistplot.SetExtra("set xrange [-5:55]\n\
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set yrange [0:1]\n\
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set style line 1 linewidth 5\n\
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set style line 2 linewidth 5\n\
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set style line 3 linewidth 5\n\
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set style line 4 linewidth 5\n\
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set style line 5 linewidth 5\n\
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set style line 6 linewidth 5\n\
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set style line 7 linewidth 5\n\
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set style line 8 linewidth 5\n\
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set style line 9 linewidth 5\n\
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set style increment user");
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nistplot.GenerateOutput(nistfile);
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nistfile.close();
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tableplot.SetTerminal("postscript eps color enh \"Times-BoldItalic\"");
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tableplot.SetLegend("SNR(dB)", "Frame Success Rate");
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tableplot.SetExtra("set xrange [-5:55]\n\
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set yrange [0:1]\n\
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set style line 1 linewidth 5\n\
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set style line 2 linewidth 5\n\
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set style line 3 linewidth 5\n\
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set style line 4 linewidth 5\n\
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set style line 5 linewidth 5\n\
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set style line 6 linewidth 5\n\
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set style line 7 linewidth 5\n\
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set style line 8 linewidth 5\n\
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set style line 9 linewidth 5\n\
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set style increment user");
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tableplot.GenerateOutput(tablefile);
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tablefile.close();
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return 0;
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}
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