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wifi: Extend protection mechanisms to support 802.11n

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This commit is contained in:
Sébastien Deronne
2017-02-02 19:04:00 +01:00
parent 908d87fba6
commit f7a898ed10
3 changed files with 130 additions and 53 deletions
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74
examples/wireless/mixed-bg-network.cc
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@@ -101,39 +101,39 @@ Experiment::Run (bool enableProtection, bool enableShortSlotTime, bool enableSho
mac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid),
"ShortSlotTimeSupported", BooleanValue (enableShortSlotTime));
// Configure the PLCP preamble type: long or short
phy.Set ("ShortPlcpPreambleSupported", BooleanValue (enableShortPlcpPreamble));
NetDeviceContainer bStaDevice;
bStaDevice = wifi.Install (phy, mac, wifiBStaNodes);
// 802.11b/g STA
wifi.SetStandard (WIFI_PHY_STANDARD_80211g);
NetDeviceContainer gStaDevice;
gStaDevice = wifi.Install (phy, mac, wifiGStaNodes);
// 802.11b/g AP
mac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid),
"BeaconGeneration", BooleanValue (true),
"EnableNonErpProtection", BooleanValue (enableProtection),
"ShortSlotTimeSupported", BooleanValue (enableShortSlotTime));
NetDeviceContainer apDevice;
apDevice = wifi.Install (phy, mac, wifiApNode);
// Setting mobility model
MobilityHelper mobility;
Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
positionAlloc->Add (Vector (0.0, 0.0, 0.0));
if (isMixed)
{
positionAlloc->Add (Vector (5.0, 0.0, 0.0));
}
{
positionAlloc->Add (Vector (5.0, 0.0, 0.0));
}
positionAlloc->Add (Vector (0.0, 5.0, 0.0));
mobility.SetPositionAllocator (positionAlloc);
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (wifiApNode);
@@ -172,11 +172,11 @@ Experiment::Run (bool enableProtection, bool enableShortSlotTime, bool enableSho
ApplicationContainer clientApp = myClient.Install (wifiGStaNodes);
clientApp.Start (Seconds (1.0));
clientApp.Stop (Seconds (simulationTime + 1));
Simulator::Stop (Seconds (simulationTime + 1));
Simulator::Run ();
Simulator::Destroy ();
totalPacketsThrough = DynamicCast<UdpServer> (serverApp.Get (0))->GetReceived ();
throughput = totalPacketsThrough * payloadSize * 8 / (simulationTime * 1000000.0);
}
@@ -185,7 +185,7 @@ Experiment::Run (bool enableProtection, bool enableShortSlotTime, bool enableSho
uint16_t port = 50000;
Address apLocalAddress (InetSocketAddress (Ipv4Address::GetAny (), port));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", apLocalAddress);
ApplicationContainer sinkApp = packetSinkHelper.Install (wifiApNode.Get (0));
sinkApp.Start (Seconds (0.0));
sinkApp.Stop (Seconds (simulationTime + 1));
@@ -195,10 +195,10 @@ Experiment::Run (bool enableProtection, bool enableShortSlotTime, bool enableSho
onoff.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
onoff.SetAttribute ("PacketSize", UintegerValue (payloadSize));
onoff.SetAttribute ("DataRate", DataRateValue (54000000)); //bit/s
AddressValue remoteAddress (InetSocketAddress (ApInterface.GetAddress (0), port));
onoff.SetAttribute ("Remote", remoteAddress);
ApplicationContainer apps;
apps.Add (onoff.Install (wifiGStaNodes));
apps.Start (Seconds (1.0));
@@ -207,11 +207,11 @@ Experiment::Run (bool enableProtection, bool enableShortSlotTime, bool enableSho
Simulator::Stop (Seconds (simulationTime + 1));
Simulator::Run ();
Simulator::Destroy ();
totalPacketsThrough = DynamicCast<PacketSink> (sinkApp.Get (0))->GetTotalRx ();
throughput += totalPacketsThrough * 8 / (simulationTime * 1000000.0);
}
return throughput;
}
@@ -220,7 +220,7 @@ int main (int argc, char *argv[])
uint32_t payloadSize = 1472; //bytes
uint32_t simulationTime = 10; //seconds
bool isUdp = true;
CommandLine cmd;
cmd.AddValue ("payloadSize", "Payload size in bytes", payloadSize);
cmd.AddValue ("simulationTime", "Simulation time in seconds", simulationTime);
@@ -237,67 +237,67 @@ int main (int argc, char *argv[])
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "Disabled" << "\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "G-only" << "\t\t" << throughput <<" Mbit/s" << std::endl;
std::cout << "Disabled" << "\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "G-only" << "\t\t" << throughput << " Mbit/s" << std::endl;
throughput = experiment.Run (false, true, false, false, isUdp, payloadSize, simulationTime);
if (throughput < 29 || throughput > 30)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "Disabled" << "\t\t" << "Short" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "G-only" << "\t\t" << throughput <<" Mbit/s" << std::endl;
std::cout << "Disabled" << "\t\t" << "Short" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "G-only" << "\t\t" << throughput << " Mbit/s" << std::endl;
throughput = experiment.Run (false, false, false, true, isUdp, payloadSize, simulationTime);
if (throughput < 22.5 || throughput > 23.5)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "Disabled" << "\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput <<" Mbit/s" << std::endl;
std::cout << "Disabled" << "\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput << " Mbit/s" << std::endl;
throughput = experiment.Run (false, false, true, true, isUdp, payloadSize, simulationTime);
if (throughput < 22.5 || throughput > 23.5)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "Disabled" << "\t\t" << "Long" << "\t\t\t\t" << "Short" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput <<" Mbit/s" << std::endl;
Config::SetDefault ("ns3::WifiRemoteStationManager::ProtectionMode", StringValue ("Rts-Cts"));
std::cout << "Disabled" << "\t\t" << "Long" << "\t\t\t\t" << "Short" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput << " Mbit/s" << std::endl;
Config::SetDefault ("ns3::WifiRemoteStationManager::ErpProtectionMode", StringValue ("Rts-Cts"));
throughput = experiment.Run (true, false, false, true, isUdp, payloadSize, simulationTime);
if (throughput < 19 || throughput > 20)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "RTS/CTS" << "\t\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput <<" Mbit/s" << std::endl;
std::cout << "RTS/CTS" << "\t\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput << " Mbit/s" << std::endl;
throughput = experiment.Run (true, false, true, true, isUdp, payloadSize, simulationTime);
if (throughput < 19 || throughput > 20)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "RTS/CTS" << "\t\t\t" << "Long" << "\t\t\t\t" << "Short" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput <<" Mbit/s" << std::endl;
Config::SetDefault ("ns3::WifiRemoteStationManager::ProtectionMode", StringValue ("Cts-To-Self"));
std::cout << "RTS/CTS" << "\t\t\t" << "Long" << "\t\t\t\t" << "Short" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput << " Mbit/s" << std::endl;
Config::SetDefault ("ns3::WifiRemoteStationManager::ErpProtectionMode", StringValue ("Cts-To-Self"));
throughput = experiment.Run (true, false, false, true, isUdp, payloadSize, simulationTime);
if (throughput < 20.5 || throughput > 21.5)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "CTS-TO-SELF" << "\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput <<" Mbit/s" << std::endl;
std::cout << "CTS-TO-SELF" << "\t\t" << "Long" << "\t\t\t\t" << "Long" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput << " Mbit/s" << std::endl;
throughput = experiment.Run (true, false, true, true, isUdp, payloadSize, simulationTime);
if (throughput < 20.5 || throughput > 21.5)
{
NS_LOG_ERROR ("Obtained throughput " << throughput << " is not in the expected boundaries!");
exit (1);
}
std::cout << "CTS-TO-SELF" << "\t\t" << "Long" << "\t\t\t\t" << "Short" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput <<" Mbit/s" << std::endl;
std::cout << "CTS-TO-SELF" << "\t\t" << "Long" << "\t\t\t\t" << "Short" << "\t\t\t\t" << "Mixed" << "\t\t" << throughput << " Mbit/s" << std::endl;
return 0;
}