sat-fwd-link-beam-hopping-example.cc

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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2016 Magister Solutions
 *
 * 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: Jani Puttonen <jani.puttonen@magister.fi>
 *
 */
 
#include "ns3/applications-module.h"
#include "ns3/core-module.h"
#include "ns3/internet-module.h"
#include "ns3/network-module.h"
#include "ns3/satellite-module.h"
#include "ns3/traffic-module.h"
 
using namespace ns3;
 
NS_LOG_COMPONENT_DEFINE("sat-fwd-link-beam-hopping-example");
 
int
main(int argc, char* argv[])
{
    uint32_t endUsersPerUt(1);
    bool enableBeamHopping(true);
    Time simLength(Seconds(3.0));
    bool scaleDown(true);
 
    std::string simulationName("sat-fwd-link-beam-hopping-example");
    Ptr<SimulationHelper> simulationHelper = CreateObject<SimulationHelper>(simulationName);
 
    // read command line parameters given by user
    CommandLine cmd;
    cmd.AddValue("enableBeamHopping", "Enable FWD link beam hopping", enableBeamHopping);
    cmd.AddValue("simTime", "Length of simulation", simLength);
    cmd.AddValue("scaleDown",
                 "Scale down the bandwidth to see differences with less traffic",
                 scaleDown);
    simulationHelper->AddDefaultUiArguments(cmd);
    cmd.Parse(argc, argv);
 
    simulationHelper->SetDefaultValues();
    simulationHelper->SetUserCountPerUt(endUsersPerUt);
    if (enableBeamHopping)
        simulationHelper->ConfigureFwdLinkBeamHopping();
    if (scaleDown)
    {
        Config::SetDefault("ns3::SatConf::FwdCarrierAllocatedBandwidth",
                           DoubleValue(enableBeamHopping ? 1e+08 : 2.5e+07));
    }
    simulationHelper->SetSimulationTime(simLength.GetSeconds());
 
    // All spot-beams of GW-1 (14 in total)
    simulationHelper->SetBeams("1 2 3 4 11 12 13 14 25 26 27 28 40 41");
    std::map<uint32_t, uint32_t> utsInBeam = {{1, 30},
                                              {2, 9},
                                              {3, 15},
                                              {4, 30},
                                              {11, 15},
                                              {12, 30},
                                              {13, 9},
                                              {14, 18},
                                              {25, 9},
                                              {26, 15},
                                              {27, 18},
                                              {28, 30},
                                              {40, 9},
                                              {41, 15}};
 
    // Set users unevenly in different beams
    for (const auto it : utsInBeam)
    {
        simulationHelper->SetUtCountPerBeam(it.first, it.second);
    }
 
    // Create the scenario
    simulationHelper->CreateSatScenario();
 
    // Install traffic model
    Config::SetDefault("ns3::CbrApplication::Interval", TimeValue(MilliSeconds(1)));
    Config::SetDefault("ns3::CbrApplication::PacketSize", UintegerValue(512));
    simulationHelper->InstallTrafficModel(SimulationHelper::CBR,
                                          SimulationHelper::UDP,
                                          SimulationHelper::FWD_LINK,
                                          Seconds(0.001),
                                          simLength,
                                          Seconds(0.001));
 
    auto stats = simulationHelper->GetStatisticsContainer();
    stats->AddGlobalFwdAppThroughput(SatStatsHelper::OUTPUT_SCALAR_FILE);
    stats->AddPerBeamFwdAppThroughput(SatStatsHelper::OUTPUT_SCALAR_FILE);
    stats->AddPerBeamBeamServiceTime(SatStatsHelper::OUTPUT_SCALAR_FILE);
    stats->AddGlobalFwdAppDelay(SatStatsHelper::OUTPUT_CDF_FILE);
    stats->AddGlobalFwdCompositeSinr(SatStatsHelper::OUTPUT_CDF_FILE);
 
    simulationHelper->EnableProgressLogs();
    simulationHelper->RunSimulation();
 
    return 0;
}