--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/wifi-clear-channel-cmu.cc Thu May 28 20:10:27 2009 +0200
@@ -0,0 +1,229 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2009 The Boeing Company
+ *
+ * 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: Guangyu Pei <guangyu.pei@boeing.com>
+ */
+
+#include "ns3/core-module.h"
+#include "ns3/common-module.h"
+#include "ns3/node-module.h"
+#include "ns3/helper-module.h"
+#include "ns3/mobility-module.h"
+#include "ns3/contrib-module.h"
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <string>
+
+NS_LOG_COMPONENT_DEFINE ("Main");
+
+using namespace ns3;
+
+class Experiment
+{
+public:
+ Experiment ();
+ Experiment (std::string name);
+ uint32_t Run (const WifiHelper &wifi, const YansWifiPhyHelper &wifiPhy,
+ const NqosWifiMacHelper &wifiMac, const YansWifiChannelHelper &wifiChannel);
+private:
+ void ReceivePacket (Ptr<Socket> socket);
+ void SetPosition (Ptr<Node> node, Vector position);
+ Vector GetPosition (Ptr<Node> node);
+ Ptr<Socket> SetupPacketReceive (Ptr<Node> node);
+ void GenerateTraffic (Ptr<Socket> socket, uint32_t pktSize,
+ uint32_t pktCount, Time pktInterval );
+
+ uint32_t m_pktsTotal;
+ Gnuplot2dDataset m_output;
+};
+
+Experiment::Experiment ()
+{}
+
+Experiment::Experiment (std::string name)
+ : m_output (name)
+{
+ m_output.SetStyle (Gnuplot2dDataset::LINES);
+}
+
+void
+Experiment::SetPosition (Ptr<Node> node, Vector position)
+{
+ Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();
+ mobility->SetPosition (position);
+}
+
+Vector
+Experiment::GetPosition (Ptr<Node> node)
+{
+ Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();
+ return mobility->GetPosition ();
+}
+
+void
+Experiment::ReceivePacket (Ptr<Socket> socket)
+{
+ Ptr<Packet> packet;
+ while (packet = socket->Recv ())
+ {
+ m_pktsTotal ++;
+ }
+}
+
+Ptr<Socket>
+Experiment::SetupPacketReceive (Ptr<Node> node)
+{
+ TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
+ Ptr<Socket> sink = Socket::CreateSocket (node, tid);
+ InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
+ sink->Bind (local);
+ sink->SetRecvCallback (MakeCallback (&Experiment::ReceivePacket, this));
+ return sink;
+}
+
+void
+Experiment::GenerateTraffic (Ptr<Socket> socket, uint32_t pktSize,
+ uint32_t pktCount, Time pktInterval )
+{
+ if (pktCount > 0)
+ {
+ socket->Send (Create<Packet> (pktSize));
+ Simulator::Schedule (pktInterval, &Experiment::GenerateTraffic, this,
+ socket, pktSize,pktCount-1, pktInterval);
+ }
+ else
+ {
+ socket->Close ();
+ }
+}
+
+uint32_t
+Experiment::Run (const WifiHelper &wifi, const YansWifiPhyHelper &wifiPhy,
+ const NqosWifiMacHelper &wifiMac, const YansWifiChannelHelper &wifiChannel)
+{
+ m_pktsTotal = 0;
+
+ NodeContainer c;
+ c.Create (2);
+
+ InternetStackHelper internet;
+ internet.Install (c);
+
+ YansWifiPhyHelper phy = wifiPhy;
+ phy.SetChannel (wifiChannel.Create ());
+
+ NqosWifiMacHelper mac = wifiMac;
+ NetDeviceContainer devices = wifi.Install (phy, mac, c);
+
+ MobilityHelper mobility;
+ Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
+ positionAlloc->Add (Vector (0.0, 0.0, 0.0));
+ positionAlloc->Add (Vector (5.0, 0.0, 0.0));
+ mobility.SetPositionAllocator (positionAlloc);
+ mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
+ mobility.Install (c);
+
+ Ipv4AddressHelper ipv4;
+ NS_LOG_INFO ("Assign IP Addresses.");
+ ipv4.SetBase ("10.1.1.0", "255.255.255.0");
+ Ipv4InterfaceContainer i = ipv4.Assign (devices);
+
+ Ptr<Socket> recvSink = SetupPacketReceive (c.Get (0));
+
+ TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
+ Ptr<Socket> source = Socket::CreateSocket (c.Get (1), tid);
+ InetSocketAddress remote = InetSocketAddress (Ipv4Address ("255.255.255.255"), 80);
+ source->Connect (remote);
+ uint32_t packetSize = 1014;
+ uint32_t maxPacketCount = 200;
+ Time interPacketInterval = Seconds (1.);
+ Simulator::Schedule (Seconds (1.0), &Experiment::GenerateTraffic,
+ this, source, packetSize, maxPacketCount,interPacketInterval);
+ Simulator::Run ();
+
+ Simulator::Destroy ();
+
+ return m_pktsTotal;
+}
+
+int main (int argc, char *argv[])
+{
+ std::ofstream outfile ("clear-channel.plt");
+ std::vector <std::string> modes;
+
+ modes.push_back ("wifib-1mbs");
+ modes.push_back ("wifib-2mbs");
+ modes.push_back ("wifib-5.5mbs");
+ modes.push_back ("wifib-11mbs");
+ // disable fragmentation
+ Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200"));
+ Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200"));
+
+ CommandLine cmd;
+ cmd.Parse (argc, argv);
+
+ Gnuplot gnuplot = Gnuplot ("clear-channel.eps");
+
+ for (uint32_t i = 0; i < modes.size(); i++)
+ {
+ std::cout << modes[i] << std::endl;
+ Gnuplot2dDataset dataset (modes[i]);
+
+ for (double rss = -102.0; rss <= -80.0; rss += 0.5)
+ {
+ Experiment experiment;
+ dataset.SetStyle (Gnuplot2dDataset::LINES);
+
+ WifiHelper wifi;
+ NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
+ Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
+ StringValue (modes[i]));
+ wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
+ "DataMode",StringValue(modes[i]),
+ "ControlMode",StringValue(modes[i]));
+ wifiMac.SetType ("ns3::AdhocWifiMac");
+
+ YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
+ YansWifiChannelHelper wifiChannel ;
+ wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
+ wifiChannel.AddPropagationLoss ("ns3::FixedRssLossModel","Rss",DoubleValue(rss));
+
+
+ NS_LOG_DEBUG (modes[i]);
+ experiment = Experiment (modes[i]);
+ wifiPhy.Set ("Standard", StringValue ("802.11b") );
+ wifiPhy.Set ("EnergyDetectionThreshold", DoubleValue (-110.0) );
+ wifiPhy.Set ("CcaMode1Threshold", DoubleValue (-110.0) );
+ wifiPhy.Set ("TxPowerStart", DoubleValue (15.0) );
+ wifiPhy.Set ("RxGain", DoubleValue (0) );
+ wifiPhy.Set ("RxNoiseFigure", DoubleValue (7) );
+ uint32_t pktsRecvd = experiment.Run (wifi, wifiPhy, wifiMac, wifiChannel);
+ dataset.Add (rss, pktsRecvd);
+ }
+
+ gnuplot.AddDataset (dataset);
+ }
+ gnuplot.SetTerminal ("postscript eps color enh \"Times-BoldItalic\"");
+ gnuplot.SetLegend ("RSS(dBm)", "Number of packets received");
+ gnuplot.SetExtra ("set xrange [-102:-83]");
+ gnuplot.GenerateOutput (outfile);
+ outfile.close ();
+
+ return 0;
+}