int main (int argc, char *argv[]) { std::string phyMode ("DsssRate1Mbps"); double rss = -80; // -dBm uint32_t packetSize = 1000; // bytes uint32_t numPackets = 1; double interval = 1.0; // seconds bool verbose = false; CommandLine cmd; cmd.AddValue ("phyMode", "Wifi Phy mode", phyMode); cmd.AddValue ("rss", "received signal strength", rss); cmd.AddValue ("packetSize", "size of application packet sent", packetSize); cmd.AddValue ("numPackets", "number of packets generated", numPackets); cmd.AddValue ("interval", "interval (seconds) between packets", interval); cmd.AddValue ("verbose", "turn on all WifiNetDevice log components", verbose); cmd.Parse (argc, argv); // Convert to time object Time interPacketInterval = Seconds (interval); // disable fragmentation for frames below 2200 bytes Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200")); // turn off RTS/CTS for frames below 2200 bytes Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200")); // Fix non-unicast data rate to be the same as that of unicast Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode", StringValue (phyMode)); NodeContainer c; c.Create (2); // The below set of helpers will help us to put together the wifi NICs we want WifiHelper wifi; if (verbose) { wifi.EnableLogComponents (); // Turn on all Wifi logging } wifi.SetStandard (WIFI_PHY_STANDARD_80211b); YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default (); // This is one parameter that matters when using FixedRssLossModel // set it to zero; otherwise, gain will be added wifiPhy.Set ("RxGain", DoubleValue (0) ); // ns-3 supports RadioTap and Prism tracing extensions for 802.11b wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO); YansWifiChannelHelper wifiChannel; wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel"); // The below FixedRssLossModel will cause the rss to be fixed regardless // of the distance between the two stations, and the transmit power wifiChannel.AddPropagationLoss ("ns3::FixedRssLossModel","Rss",DoubleValue (rss)); wifiPhy.SetChannel (wifiChannel.Create ()); // Add a non-QoS upper mac, and disable rate control NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default (); wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager", "DataMode",StringValue (phyMode), "ControlMode",StringValue (phyMode)); // Set it to adhoc mode wifiMac.SetType ("ns3::AdhocWifiMac"); NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c); // Note that with FixedRssLossModel, the positions below are not // used for received signal strength. 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); InternetStackHelper internet; internet.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); TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory"); Ptr<Socket> recvSink = Socket::CreateSocket (c.Get (0), tid); InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80); recvSink->Bind (local); recvSink->SetRecvCallback (MakeCallback (&ReceivePacket)); Ptr<Socket> source = Socket::CreateSocket (c.Get (1), tid); InetSocketAddress remote = InetSocketAddress (Ipv4Address ("255.255.255.255"), 80); source->SetAllowBroadcast (true); source->Connect (remote); // Tracing wifiPhy.EnablePcap ("wifi-simple-adhoc", devices); // Output what we are doing NS_LOG_UNCOND ("Testing " << numPackets << " packets sent with receiver rss " << rss ); Simulator::ScheduleWithContext (source->GetNode ()->GetId (), Seconds (1.0), &GenerateTraffic, source, packetSize, numPackets, interPacketInterval); Simulator::Run (); Simulator::Destroy (); return 0; }
int main (int argc, char *argv[]) { std::string phyMode ("DsssRate1Mbps"); double distance = 500; // m uint32_t packetSize = 1000; // bytes uint32_t numPackets = 1; uint32_t numNodes = 25; // by default, 5x5 uint32_t sinkNode = 0; uint32_t sourceNode = 24; double interval = 1.0; // seconds bool verbose = false; bool tracing = false; CommandLine cmd; cmd.AddValue ("phyMode", "Wifi Phy mode", phyMode); cmd.AddValue ("distance", "distance (m)", distance); cmd.AddValue ("packetSize", "size of application packet sent", packetSize); cmd.AddValue ("numPackets", "number of packets generated", numPackets); cmd.AddValue ("interval", "interval (seconds) between packets", interval); cmd.AddValue ("verbose", "turn on all WifiNetDevice log components", verbose); cmd.AddValue ("tracing", "turn on ascii and pcap tracing", tracing); cmd.AddValue ("numNodes", "number of nodes", numNodes); cmd.AddValue ("sinkNode", "Receiver node number", sinkNode); cmd.AddValue ("sourceNode", "Sender node number", sourceNode); cmd.Parse (argc, argv); // Convert to time object Time interPacketInterval = Seconds (interval); // disable fragmentation for frames below 2200 bytes Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200")); // turn off RTS/CTS for frames below 2200 bytes Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200")); // Fix non-unicast data rate to be the same as that of unicast Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode", StringValue (phyMode)); NodeContainer c; c.Create (numNodes); // The below set of helpers will help us to put together the wifi NICs we want WifiHelper wifi; if (verbose) { wifi.EnableLogComponents (); // Turn on all Wifi logging } YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default (); // set it to zero; otherwise, gain will be added wifiPhy.Set ("RxGain", DoubleValue (-10) ); // ns-3 supports RadioTap and Prism tracing extensions for 802.11b wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO); YansWifiChannelHelper wifiChannel; wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel"); wifiChannel.AddPropagationLoss ("ns3::FriisPropagationLossModel"); wifiPhy.SetChannel (wifiChannel.Create ()); // Add a non-QoS upper mac, and disable rate control NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default (); wifi.SetStandard (WIFI_PHY_STANDARD_80211b); wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager", "DataMode",StringValue (phyMode), "ControlMode",StringValue (phyMode)); // Set it to adhoc mode wifiMac.SetType ("ns3::AdhocWifiMac"); NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c); MobilityHelper mobility; mobility.SetPositionAllocator ("ns3::GridPositionAllocator", "MinX", DoubleValue (0.0), "MinY", DoubleValue (0.0), "DeltaX", DoubleValue (distance), "DeltaY", DoubleValue (distance), "GridWidth", UintegerValue (5), "LayoutType", StringValue ("RowFirst")); mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel"); mobility.Install (c); // Enable OLSR OlsrHelper olsr; Ipv4StaticRoutingHelper staticRouting; Ipv4ListRoutingHelper list; list.Add (staticRouting, 0); list.Add (olsr, 10); InternetStackHelper internet; internet.SetRoutingHelper (list); // has effect on the next Install () internet.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); TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory"); Ptr<Socket> recvSink = Socket::CreateSocket (c.Get (sinkNode), tid); InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80); recvSink->Bind (local); recvSink->SetRecvCallback (MakeCallback (&ReceivePacket)); Ptr<Socket> source = Socket::CreateSocket (c.Get (sourceNode), tid); InetSocketAddress remote = InetSocketAddress (i.GetAddress (sinkNode, 0), 80); source->Connect (remote); if (tracing == true) { AsciiTraceHelper ascii; wifiPhy.EnableAsciiAll (ascii.CreateFileStream ("wifi-simple-adhoc-grid.tr")); wifiPhy.EnablePcap ("wifi-simple-adhoc-grid", devices); // Trace routing tables Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("wifi-simple-adhoc-grid.routes", std::ios::out); olsr.PrintRoutingTableAllEvery (Seconds (2), routingStream); // To do-- enable an IP-level trace that shows forwarding events only } // Give OLSR time to converge-- 30 seconds perhaps Simulator::Schedule (Seconds (30.0), &GenerateTraffic, source, packetSize, numPackets, interPacketInterval); // Output what we are doing NS_LOG_UNCOND ("Testing from node " << sourceNode << " to " << sinkNode << " with grid distance " << distance); Simulator::Stop (Seconds (32.0)); Simulator::Run (); Simulator::Destroy (); return 0; }