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Change wifi settings
This commit is contained in:
Loic Guegan
parent
457e27d81d
commit
6cadbb5316
2 changed files with 89 additions and 83 deletions
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// ns-3
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#include "ns3/log.h"
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#include "ns3/uinteger.h"
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#include "ns3/boolean.h"
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#include "ns3/string.h"
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#include "ns3/command-line.h"
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#include "ns3/internet-stack-helper.h"
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#include "ns3/internet-stack-helper.h"
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#include "ns3/ipv4-address-helper.h"
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#include "ns3/config.h"
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#include "ns3/string.h"
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#include "ns3/log.h"
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#include "ns3/yans-wifi-helper.h"
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#include "ns3/ssid.h"
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#include "ns3/mobility-helper.h"
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#include "ns3/on-off-helper.h"
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#include "ns3/yans-wifi-channel.h"
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#include "ns3/mobility-model.h"
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#include "ns3/packet-sink.h"
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#include "ns3/packet-sink-helper.h"
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#include "ns3/udp-echo-helper.h"
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#include "ns3/tcp-westwood.h"
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#include "ns3/internet-stack-helper.h"
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#include "ns3/ipv4-address-helper.h"
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#include "ns3/ipv4-global-routing-helper.h"
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#include "ns3/constant-position-mobility-model.h"
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#include "ns3/propagation-loss-model.h"
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#include "ns3/propagation-delay-model.h"
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#include "ns3/yans-wifi-channel.h"
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#include "ns3/yans-wifi-helper.h"
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// C++ library
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#include <iostream>
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#include <utility> // To use std::pair
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("wifi-tcp");
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typedef std::pair<NodeContainer,NetDeviceContainer> Cell;
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// ---------- Code ----------
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// Cell tuple like ((APNode,SensorNodes),(APNetDev,SensorsNetDev))
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typedef std::pair<NodeContainer,NodeContainer> CellNodes;
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typedef std::pair<NetDeviceContainer,NetDeviceContainer> CellNetDevices;
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typedef std::pair<CellNodes,CellNetDevices> Cell;
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/**
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* Create a sensors cell
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*/
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Cell createCell(uint32_t nbSensors){
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// Create sensors
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NodeContainer sensors;
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sensors.Create(nbSensors);
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NodeContainer ap;
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ap.Create(1);
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// Place nodes somehow, this is required by every wireless simulation
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for (uint8_t i = 0; i < nbSensors; ++i)
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{
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sensors.Get (i)->AggregateObject (CreateObject<ConstantPositionMobilityModel> ());
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}
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ap.Get (0)->AggregateObject (CreateObject<ConstantPositionMobilityModel> ());
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// Create propagation loss matrix
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Ptr<MatrixPropagationLossModel> lossModel = CreateObject<MatrixPropagationLossModel> ();
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lossModel->SetDefaultLoss (200); // set default loss to 200 dB (no link)
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lossModel->SetLoss (sensors.Get (0)->GetObject<MobilityModel> (), sensors.Get (1)->GetObject<MobilityModel> (), 50); // set symmetric loss 0 <-> 1 to 50 dB
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lossModel->SetLoss (sensors.Get (2)->GetObject<MobilityModel> (), sensors.Get (1)->GetObject<MobilityModel> (), 50); // set symmetric loss 2 <-> 1 to 50 dB
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// To apply XXWifiPhy and WifiMac on sensors
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WifiHelper wifiHelper;
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wifiHelper.SetStandard (WIFI_PHY_STANDARD_80211n_5GHZ);
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// 4. Create & setup wifi channel
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Ptr<YansWifiChannel> wifiChannel = CreateObject <YansWifiChannel> ();
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wifiChannel->SetPropagationLossModel (lossModel);
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wifiChannel->SetPropagationDelayModel (CreateObject <ConstantSpeedPropagationDelayModel> ());
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/* Set up Legacy Channel */
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YansWifiChannelHelper wifiChannel;
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wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
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wifiChannel.AddPropagationLoss ("ns3::FriisPropagationLossModel", "Frequency", DoubleValue (5e9));
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// Install wireless devices
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WifiHelper wifi;
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wifi.SetStandard (WIFI_PHY_STANDARD_80211b);
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wifi.SetRemoteStationManager ("ns3::ArfWifiManager");
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YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
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wifiPhy.SetChannel (wifiChannel);
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/* Setup Physical Layer */
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YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
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wifiPhy.SetChannel (wifiChannel.Create ());
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wifiPhy.Set ("TxPowerStart", DoubleValue (10.0));
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wifiPhy.Set ("TxPowerEnd", DoubleValue (10.0));
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wifiPhy.Set ("TxPowerLevels", UintegerValue (1));
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wifiPhy.Set ("TxGain", DoubleValue (0));
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wifiPhy.Set ("RxGain", DoubleValue (0));
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wifiPhy.Set ("RxNoiseFigure", DoubleValue (10));
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wifiPhy.Set ("CcaMode1Threshold", DoubleValue (-79));
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wifiPhy.Set ("EnergyDetectionThreshold", DoubleValue (-79 + 3));
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// wifiPhy.SetErrorRateModel ("ns3::YansErrorRateModel");
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wifiHelper.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
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"DataMode", StringValue ("HtMcs7"),
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"ControlMode", StringValue ("HtMcs0"));
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/* Configure AP */
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Ssid ssid = Ssid ("network");
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WifiMacHelper wifiMac;
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wifiMac.SetType ("ns3::AdhocWifiMac"); // use ad-hoc MAC
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NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, sensors);
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wifiMac.SetType ("ns3::ApWifiMac", "Ssid", SsidValue (ssid));
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NetDeviceContainer apNetDevice;
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apNetDevice = wifiHelper.Install (wifiPhy, wifiMac, ap);
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/* Configure STA */
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wifiMac.SetType ("ns3::StaWifiMac", "Ssid", SsidValue (ssid));
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NetDeviceContainer sensorsNetDevices;
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sensorsNetDevices = wifiHelper.Install (wifiPhy, wifiMac, sensors);
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return(std::make_pair(sensors,devices));
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return(std::make_pair(std::make_pair(ap,sensors),std::make_pair(apNetDevice,sensorsNetDevices)));
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}
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void applyScenarios(Cell cell){
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NodeContainer sensors=cell.first;
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NetDeviceContainer devices= cell.second;
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/**
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* Install network stack and applications
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*/
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void applyScenarios(Cell cell,int sensorsPktSize, int sensorsSendInterval){
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NodeContainer ap=cell.first.first;
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NodeContainer sensors=cell.first.second;
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NetDeviceContainer apNetDev= cell.second.first;
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NetDeviceContainer sensorsNetDev= cell.second.second;
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// 6. Install TCP/IP stack & assign IP addresses
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InternetStackHelper internet;
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internet.Install (ap);
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internet.Install (sensors);
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Ipv4AddressHelper ipv4;
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ipv4.SetBase ("10.0.0.0", "255.0.0.0");
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ipv4.Assign (devices);
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Ipv4InterfaceContainer apInt,sensorsInt;
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apInt=ipv4.Assign(apNetDev);
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sensorsInt=ipv4.Assign(sensorsNetDev);
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// Install applications: two CBR streams each saturating the channel
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ApplicationContainer cbrApps;
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uint16_t cbrPort = 12345;
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OnOffHelper onOffHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address ("10.0.0.2"), cbrPort));
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onOffHelper.SetAttribute ("PacketSize", UintegerValue (1400));
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onOffHelper.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
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onOffHelper.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
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// flow 1: node 0 -> node 1
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onOffHelper.SetAttribute ("DataRate", StringValue ("3000000bps"));
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onOffHelper.SetAttribute ("StartTime", TimeValue (Seconds (1.000000)));
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cbrApps.Add (onOffHelper.Install (sensors.Get (0)));
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// flow 2: node 2 -> node 1
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/** \internal
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* The slightly different start times and data rates are a workaround
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* for \bugid{388} and \bugid{912}
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*/
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onOffHelper.SetAttribute ("DataRate", StringValue ("3001100bps"));
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onOffHelper.SetAttribute ("StartTime", TimeValue (Seconds (1.001)));
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cbrApps.Add (onOffHelper.Install (sensors.Get (2)));
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/** \internal
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* We also use separate UDP applications that will send a single
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* packet before the CBR flows start.
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* This is a workaround for the lack of perfect ARP, see \bugid{187}
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*/
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uint16_t echoPort = 9;
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UdpEchoClientHelper echoClientHelper (Ipv4Address ("10.0.0.2"), echoPort);
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echoClientHelper.SetAttribute ("MaxPackets", UintegerValue (1));
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echoClientHelper.SetAttribute ("Interval", TimeValue (Seconds (0.1)));
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echoClientHelper.SetAttribute ("PacketSize", UintegerValue (10));
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UdpEchoClientHelper echoClientHelper (InetSocketAddress (apInt.GetAddress (0), echoPort));
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// echoClientHelper.SetAttribute ("MaxPackets", UintegerValue (10));
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echoClientHelper.SetAttribute ("Interval", TimeValue (Seconds (sensorsSendInterval)));
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echoClientHelper.SetAttribute ("PacketSize", UintegerValue (sensorsPktSize));
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ApplicationContainer pingApps;
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// again using different start times to workaround Bug 388 and Bug 912
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echoClientHelper.SetAttribute ("StartTime", TimeValue (Seconds (0.001)));
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pingApps.Add (echoClientHelper.Install (sensors.Get (0)));
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echoClientHelper.SetAttribute ("StartTime", TimeValue (Seconds (0.006)));
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pingApps.Add (echoClientHelper.Install (sensors.Get (2)));
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echoClientHelper.SetAttribute ("StartTime", TimeValue (Seconds (1))); // Start at 1 (WIFI seems to not work when t<1)
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echoClientHelper.Install (sensors);
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PacketSinkHelper s("ns3::UdpSocketFactory",Address(InetSocketAddress (Ipv4Address::GetAny (), echoPort)));
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ApplicationContainer as=s.Install(sensors.Get(1));
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as.Start (Seconds (0));
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as.Stop (Seconds (10.0));
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PacketSinkHelper apSink("ns3::UdpSocketFactory",InetSocketAddress (Ipv4Address::GetAny (), echoPort));
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ApplicationContainer sinkApp=apSink.Install(ap);
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sinkApp.Start (Seconds (0));
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}
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int main(int argc, char* argv[]){
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@ -125,18 +130,19 @@ int main(int argc, char* argv[]){
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LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
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LogComponentEnable("PacketSink", LOG_LEVEL_INFO);
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uint32_t sensingRate=1;
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uint32_t sensorPktSize=150;
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uint32_t sensorsFrequency=1;
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uint32_t sensorsPktSize=150;
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uint32_t sensorsNumber=10;
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CommandLine cmd;
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cmd.AddValue ("sensingRate", "Number of temperature measurement per second", sensingRate);
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cmd.AddValue ("sensorPktSize", "Sensor measurements packet size", sensorPktSize);
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cmd.AddValue ("sensorsSendInterval", "Number of temperature measurement per second (default 1)", sensorsFrequency);
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cmd.AddValue ("sensorsPktSize", "Sensor measurements packet size (default 64 bytes)", sensorsPktSize);
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cmd.AddValue ("sensorsNumber", "Number of sensors (default 10)", sensorsNumber);
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cmd.Parse (argc, argv);
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Cell c=createCell(3);
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applyScenarios(c);
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Cell c=createCell(sensorsNumber);
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applyScenarios(c,sensorsPktSize,sensorsFrequency);
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// Run simulators
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Simulator::Stop (Seconds (10));
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