sat-vhts-example.cc

Go to the documentation of this file.

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014 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: Bastien Tauran <bastien.tauran@viveris.fr>
 *
 */
 
#include "ns3/applications-module.h"
#include "ns3/config-store-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-vhts-example");
 
// TODO confirm that
void
EnableRA(std::string raModel, bool dynamicLoadControl)
{
    // Enable Random Access with CRDSA or MARSALA
    if (raModel == "CRDSA")
    {
        Config::SetDefault("ns3::SatBeamHelper::RandomAccessModel",
                           EnumValue(SatEnums::RA_MODEL_CRDSA));
    }
    else if (raModel == "MARSALA")
    {
        Config::SetDefault("ns3::SatBeamHelper::RandomAccessModel",
                           EnumValue(SatEnums::RA_MODEL_MARSALA));
    }
    else
    {
        NS_FATAL_ERROR("Incorrect RA model");
    }
 
    // Set Random Access interference model
    Config::SetDefault("ns3::SatBeamHelper::RaInterferenceModel",
                       EnumValue(SatPhyRxCarrierConf::IF_PER_PACKET));
 
    // Set Random Access collision model
    Config::SetDefault("ns3::SatBeamHelper::RaCollisionModel",
                       EnumValue(SatPhyRxCarrierConf::RA_COLLISION_CHECK_AGAINST_SINR));
 
    // Set dynamic load control parameters
    Config::SetDefault("ns3::SatPhyRxCarrierConf::EnableRandomAccessDynamicLoadControl",
                       BooleanValue(dynamicLoadControl));
    Config::SetDefault(
        "ns3::SatPhyRxCarrierConf::RandomAccessAverageNormalizedOfferedLoadMeasurementWindowSize",
        UintegerValue(10));
}
 
static void
SatCourseChange(std::string context, Ptr<const SatMobilityModel> position)
{
    auto tracedPosition = DynamicCast<const SatTracedMobilityModel>(position);
    NS_ASSERT_MSG(tracedPosition != nullptr, "Course changed for a non-mobile UT");
}
 
int
main(int argc, char* argv[])
{
    // Variables
    std::string beams = "8";
    uint32_t nbGw = 1;
    uint32_t nbUtsPerBeam = 10;
    uint32_t nbEndUsersPerUt = 1;
 
    Time appStartTime = Seconds(0.001);
    Time simLength = Seconds(60.0);
 
    std::string raModel = "CRDSA";
    bool dynamicLoadControl = true;
    bool utMobility = false;
    std::string mobilityPath = "contrib/satellite/data/utpositions/mobiles/scenario0/trajectory";
    std::string burstLengthStr = "ShortBurst";
    SatEnums::SatWaveFormBurstLength_t burstLength = SatEnums::SHORT_BURST;
 
    uint32_t superFrameConfForSeq0Int = 0;
    SatSuperframeConf::SuperFrameConfiguration_t superFrameConfForSeq0 =
        SatSuperframeConf::SUPER_FRAME_CONFIG_0;
    uint32_t frameConfigTypeInt = 0;
    SatSuperframeConf::ConfigType_t frameConfigType = SatSuperframeConf::CONFIG_TYPE_0;
 
    std::string modcodsUsed =
        "QPSK_1_TO_2 QPSK_3_TO_5 QPSK_2_TO_3 QPSK_3_TO_4 QPSK_4_TO_5 QPSK_5_TO_6 QPSK_8_TO_9 "
        "QPSK_9_TO_10 "
        "8PSK_3_TO_5 8PSK_2_TO_3 8PSK_3_TO_4 8PSK_5_TO_6 8PSK_8_TO_9 8PSK_9_TO_10 "
        "16APSK_2_TO_3 16APSK_3_TO_4 16APSK_4_TO_5 16APSK_5_TO_6 16APSK_8_TO_9 16APSK_9_TO_10 "
        "32APSK_3_TO_4 32APSK_4_TO_5 32APSK_5_TO_6 32APSK_8_TO_9";
 
    Ptr<SimulationHelper> simulationHelper = CreateObject<SimulationHelper>("sat-vhts-example");
 
    // Read command line parameters given by user
    CommandLine cmd;
    cmd.AddValue("Beams", "Ids of beams used (each separated by _)", beams);
    cmd.AddValue("NbGw", "Number of GWs", nbGw);
    cmd.AddValue("NbUtsPerBeam", "Number of UTs per spot-beam", nbUtsPerBeam);
    cmd.AddValue("NbEndUsersPerUt", "Number of end users per UT", nbEndUsersPerUt);
    cmd.AddValue("AppStartTime", "Applications start time (in seconds, or add unit)", appStartTime);
    cmd.AddValue("SimLength", "Simulation length (in seconds, or add unit)", simLength);
    cmd.AddValue("RaModel", "Random Access model chosen (CRDSA or MARSALA)", raModel);
    cmd.AddValue("DynamicLoadControl", "Set true to use dynamic load control", dynamicLoadControl);
    cmd.AddValue("UtMobility", "Set true to use UT mobility", utMobility);
    cmd.AddValue("mobilityPath",
                 "Path to the mobility file",
                 mobilityPath); // TODO works if only one UT ?
    cmd.AddValue("BurstLength",
                 "Burst length (can be ShortBurst, LongBurst or ShortAndLongBurst)",
                 burstLengthStr);
    cmd.AddValue("SuperFrameConfForSeq0",
                 "Super frame configuration used for super frame sequence 0",
                 superFrameConfForSeq0Int);
    cmd.AddValue("FrameConfigType",
                 "The frame configuration type used for super frame",
                 frameConfigTypeInt);
    simulationHelper->AddDefaultUiArguments(cmd);
    cmd.Parse(argc, argv);
 
    std::replace(beams.begin(), beams.end(), '_', ' ');
 
    // Initialize enum values
    if (burstLengthStr == "ShortBurst")
    {
        burstLength = SatEnums::SHORT_BURST;
    }
    else if (burstLengthStr == "LongBurst")
    {
        burstLength = SatEnums::LONG_BURST;
    }
    else if (burstLengthStr == "ShortAndLongBurst")
    {
        burstLength = SatEnums::SHORT_AND_LONG_BURST;
    }
    else
    {
        NS_FATAL_ERROR("Incorrect burst size");
    }
 
    switch (superFrameConfForSeq0Int)
    {
    case 0:
        superFrameConfForSeq0 = SatSuperframeConf::SUPER_FRAME_CONFIG_0;
        break;
    case 1:
        superFrameConfForSeq0 = SatSuperframeConf::SUPER_FRAME_CONFIG_1;
        break;
    case 2:
        superFrameConfForSeq0 = SatSuperframeConf::SUPER_FRAME_CONFIG_2;
        break;
    case 3:
        superFrameConfForSeq0 = SatSuperframeConf::SUPER_FRAME_CONFIG_3;
        break;
    default:
        NS_FATAL_ERROR("Incorrect super frame conf");
    }
 
    switch (frameConfigTypeInt)
    {
    case 0:
        frameConfigType = SatSuperframeConf::CONFIG_TYPE_0;
        break;
    case 1:
        frameConfigType = SatSuperframeConf::CONFIG_TYPE_1;
        break;
    case 2:
        frameConfigType = SatSuperframeConf::CONFIG_TYPE_2;
        break;
    case 3:
        frameConfigType = SatSuperframeConf::CONFIG_TYPE_3;
        break;
    default:
        NS_FATAL_ERROR("Incorrect frame type");
    }
 
    Config::SetDefault("ns3::SatEnvVariables::EnableSimulationOutputOverwrite", BooleanValue(true));
    Config::SetDefault("ns3::SatHelper::PacketTraceEnabled", BooleanValue(true));
 
    /*
     * FWD link
     */
    // Set defaults
    Config::SetDefault("ns3::SatConf::FwdUserLinkBandwidth", DoubleValue(2e+09));
    Config::SetDefault("ns3::SatConf::FwdFeederLinkBandwidth", DoubleValue(8e+09));
    Config::SetDefault("ns3::SatConf::FwdCarrierAllocatedBandwidth", DoubleValue(500e+06));
    Config::SetDefault("ns3::SatConf::FwdCarrierRollOff", DoubleValue(0.05));
 
    // ModCods selection
    Config::SetDefault("ns3::SatBeamHelper::DvbVersion", StringValue("DVB_S2"));
    Config::SetDefault("ns3::SatBbFrameConf::ModCodsUsed", StringValue(modcodsUsed));
    Config::SetDefault("ns3::SatBbFrameConf::DefaultModCod", StringValue("QPSK_1_TO_2"));
 
    /*
     * RTN link
     */
    // Set defaults
    Config::SetDefault("ns3::SatConf::RtnUserLinkBandwidth", DoubleValue(500e+06));
    Config::SetDefault("ns3::SatConf::RtnFeederLinkBandwidth", DoubleValue(2e+09));
    Config::SetDefault("ns3::SatWaveformConf::BurstLength", EnumValue(burstLength));
 
    EnableRA(raModel, dynamicLoadControl);
 
    Config::SetDefault("ns3::SatConf::SuperFrameConfForSeq0", EnumValue(superFrameConfForSeq0));
    switch (superFrameConfForSeq0)
    {
    case SatSuperframeConf::SUPER_FRAME_CONFIG_0:
        Config::SetDefault("ns3::SatSuperframeConf0::FrameConfigType", EnumValue(frameConfigType));
        break;
    case SatSuperframeConf::SUPER_FRAME_CONFIG_1:
        Config::SetDefault("ns3::SatSuperframeConf1::FrameConfigType", EnumValue(frameConfigType));
        break;
    case SatSuperframeConf::SUPER_FRAME_CONFIG_2:
        Config::SetDefault("ns3::SatSuperframeConf2::FrameConfigType", EnumValue(frameConfigType));
        break;
    case SatSuperframeConf::SUPER_FRAME_CONFIG_3:
        Config::SetDefault("ns3::SatSuperframeConf3::FrameConfigType", EnumValue(frameConfigType));
        break;
    default:
        NS_FATAL_ERROR("Impossible to reach here");
    }
 
    /*
     * Traffics
     */
    simulationHelper->SetSimulationTime(simLength);
 
    simulationHelper->SetGwUserCount(nbGw);
    simulationHelper->SetUtCountPerBeam(nbUtsPerBeam);
    simulationHelper->SetUserCountPerUt(nbEndUsersPerUt);
    simulationHelper->SetBeams(beams);
 
    simulationHelper->LoadScenario("geo-33E");
 
    simulationHelper->CreateSatScenario();
 
    Ptr<SatHelper> satHelper = simulationHelper->GetSatelliteHelper();
    Ptr<SatTrafficHelper> trafficHelper = simulationHelper->GetTrafficHelper();
    trafficHelper->AddVoipTraffic(SatTrafficHelper::FWD_LINK,
                                  SatTrafficHelper::G_711_1,
                                  Singleton<SatTopology>::Get()->GetGwUserNodes(),
                                  Singleton<SatTopology>::Get()->GetUtUserNodes(),
                                  appStartTime,
                                  simLength,
                                  Seconds(0.001));
    trafficHelper->AddHttpTraffic(SatTrafficHelper::FWD_LINK,
                                  Singleton<SatTopology>::Get()->GetGwUserNodes(),
                                  Singleton<SatTopology>::Get()->GetUtUserNodes(),
                                  appStartTime,
                                  simLength,
                                  Seconds(0.001));
 
    // Link results
    // Uncomment to use custom C/N0 traces or constants for some links
    /*
    Ptr<SatCnoHelper> satCnoHelper = simulationHelper->GetCnoHelper ();
    satCnoHelper->UseTracesForDefault (false);
    for (uint32_t i = 0; i < Singleton<SatTopology>::Get()->GetNUtNodes(); i++)
      {
        satCnoHelper->SetUtNodeCnoFile (Singleton<SatTopology>::Get()->GetUtNode(i),
    SatEnums::FORWARD_USER_CH, "path_to_cno_file"); // For input trace file
        // or
        satCnoHelper->SetGwNodeCno (Singleton<SatTopology>::Get()->GetUtNode(i),
    SatEnums::FORWARD_USER_CH, 1e10); // For constant value
      }
    */
 
    // Mobility
    if (utMobility)
    {
        Ptr<SatMobilityModel> satMobility =
            Singleton<SatTopology>::Get()->GetOrbiterNode(0)->GetObject<SatMobilityModel>();
        Ptr<Node> node = satHelper->LoadMobileUtFromFile(0, mobilityPath);
        node->GetObject<SatMobilityModel>()->TraceConnect("SatCourseChange",
                                                          "BeamTracer",
                                                          MakeCallback(SatCourseChange));
    }
 
    /*
     * Outputs
     * Note: some outputs are automatically generated by traffic helper
     */
    simulationHelper->EnableProgressLogs();
 
    Config::SetDefault("ns3::ConfigStore::Filename", StringValue("output-attributes.xml"));
    Config::SetDefault("ns3::ConfigStore::FileFormat", StringValue("Xml"));
    Config::SetDefault("ns3::ConfigStore::Mode", StringValue("Save"));
    ConfigStore outputConfig;
    outputConfig.ConfigureDefaults();
 
    Ptr<SatStatsHelperContainer> s = simulationHelper->GetStatisticsContainer();
 
    // Capacity request
    s->AddGlobalCapacityRequest(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerGwCapacityRequest(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerBeamCapacityRequest(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerUtCapacityRequest(SatStatsHelper::OUTPUT_SCATTER_FILE);
 
    // Granted resources
    s->AddGlobalResourcesGranted(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalResourcesGranted(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalResourcesGranted(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddPerBeamResourcesGranted(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddPerBeamResourcesGranted(SatStatsHelper::OUTPUT_CDF_PLOT);
    s->AddPerUtResourcesGranted(SatStatsHelper::OUTPUT_SCATTER_FILE);
 
    // Link SINR
    s->AddGlobalFwdFeederLinkSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalFwdUserLinkSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalRtnFeederLinkSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalRtnUserLinkSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
 
    s->AddGlobalFwdFeederLinkSinr(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalFwdUserLinkSinr(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalRtnFeederLinkSinr(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalRtnUserLinkSinr(SatStatsHelper::OUTPUT_SCALAR_FILE);
 
    // SINR
    s->AddGlobalFwdCompositeSinr(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddGlobalFwdCompositeSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerUtFwdCompositeSinr(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddPerUtFwdCompositeSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerUtFwdCompositeSinr(SatStatsHelper::OUTPUT_CDF_PLOT);
    s->AddGlobalRtnCompositeSinr(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddGlobalRtnCompositeSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerBeamRtnCompositeSinr(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddPerBeamRtnCompositeSinr(SatStatsHelper::OUTPUT_CDF_PLOT);
    s->AddPerUtRtnCompositeSinr(SatStatsHelper::OUTPUT_CDF_FILE);
    s->AddPerUtRtnCompositeSinr(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddPerUtRtnCompositeSinr(SatStatsHelper::OUTPUT_CDF_PLOT);
 
    // Link RX Power
    s->AddGlobalFwdFeederLinkRxPower(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalFwdUserLinkRxPower(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalRtnFeederLinkRxPower(SatStatsHelper::OUTPUT_SCATTER_FILE);
    s->AddGlobalRtnUserLinkRxPower(SatStatsHelper::OUTPUT_SCATTER_FILE);
 
    s->AddGlobalFwdFeederLinkRxPower(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalFwdUserLinkRxPower(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalRtnFeederLinkRxPower(SatStatsHelper::OUTPUT_SCALAR_FILE);
    s->AddGlobalRtnUserLinkRxPower(SatStatsHelper::OUTPUT_SCALAR_FILE);
 
    // Frame type usage
    s->AddGlobalFrameTypeUsage(SatStatsHelper::OUTPUT_SCALAR_FILE);
 
    if (raModel == "MARSALA")
    {
        s->AddPerBeamMarsalaCorrelation(SatStatsHelper::OUTPUT_SCALAR_FILE);
        s->AddPerBeamMarsalaCorrelation(SatStatsHelper::OUTPUT_SCATTER_FILE);
    }
 
    simulationHelper->RunSimulation();
    return 0;
 
} // end of `int main (int argc, char *argv[])`