wifi example to demonstrate how to set non-standard timing attributes
This commit is contained in:
Sébastien Deronne
172
examples/wireless/wifi-timing-attributes.cc
Normal file
172
examples/wireless/wifi-timing-attributes.cc
Normal file
@@ -0,0 +1,172 @@
|
||||
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
|
||||
/*
|
||||
* Copyright (c) 2015 SEBASTIEN DERONNE
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* Authors: Sebastien Deronne <sebastien.deronne@gmail.com>
|
||||
*/
|
||||
#include "ns3/core-module.h"
|
||||
#include "ns3/network-module.h"
|
||||
#include "ns3/applications-module.h"
|
||||
#include "ns3/wifi-module.h"
|
||||
#include "ns3/mobility-module.h"
|
||||
#include "ns3/ipv4-global-routing-helper.h"
|
||||
#include "ns3/internet-module.h"
|
||||
|
||||
// This example shows how to set Wi-Fi timing parameters through WifiMac attributes.
|
||||
//
|
||||
// Example: set slot time to 20 microseconds, while keeping other values as defined in the simulation script:
|
||||
//
|
||||
// ./waf --run "wifi-timing-attributes --slot=20"
|
||||
//
|
||||
// Network topology:
|
||||
//
|
||||
// Wifi 192.168.1.0
|
||||
//
|
||||
// AP
|
||||
// * *
|
||||
// | |
|
||||
// n1 n2
|
||||
//
|
||||
|
||||
using namespace ns3;
|
||||
|
||||
NS_LOG_COMPONENT_DEFINE ("wifi-timing-attributes");
|
||||
|
||||
int main (int argc, char *argv[])
|
||||
{
|
||||
uint32_t slot = 9; //slot time in microseconds
|
||||
uint32_t sifs = 10; //SIFS duration in microseconds
|
||||
uint32_t ackTimeout = 88; //ACK timeout duration in microseconds
|
||||
uint32_t ctsTimeout = 88; //CTS timeout duration in microseconds
|
||||
uint32_t rifs = 2; //RIFS duration in microseconds
|
||||
uint32_t basicBlockAckTimeout = 286; //Basic Block ACK timeout duration in microseconds
|
||||
uint32_t compressedBlockAckTimeout = 112; //Compressed Block ACK timeout duration in microseconds
|
||||
double simulationTime = 10; //simulation time in seconds
|
||||
|
||||
CommandLine cmd;
|
||||
cmd.AddValue ("slot", "Slot time in microseconds", slot);
|
||||
cmd.AddValue ("sifs", "SIFS duration in microseconds", sifs);
|
||||
cmd.AddValue ("ackTimeout", "ACK timeout duration in microseconds", ackTimeout);
|
||||
cmd.AddValue ("ctsTimeout", "CTS timeout duration in microseconds", ctsTimeout);
|
||||
cmd.AddValue ("rifs", "RIFS duration in microseconds", rifs);
|
||||
cmd.AddValue ("basicBlockAckTimeoutTimeout", "Basic Block ACK timeout duration in microseconds", basicBlockAckTimeout);
|
||||
cmd.AddValue ("compressedBlockAckTimeoutTimeout", "Compressed Block ACK timeout duration in microseconds", compressedBlockAckTimeout);
|
||||
cmd.AddValue ("simulationTime", "Simulation time in seconds", simulationTime);
|
||||
cmd.Parse (argc,argv);
|
||||
|
||||
//Since default reference loss is defined for 5 GHz, it needs to be changed when operating at 2.4 GHz
|
||||
Config::SetDefault ("ns3::LogDistancePropagationLossModel::ReferenceLoss", DoubleValue (40.046));
|
||||
|
||||
//Create nodes
|
||||
NodeContainer wifiStaNode;
|
||||
wifiStaNode.Create (1);
|
||||
NodeContainer wifiApNode;
|
||||
wifiApNode.Create (1);
|
||||
|
||||
//Create wireless channel
|
||||
YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();
|
||||
YansWifiPhyHelper phy = YansWifiPhyHelper::Default ();
|
||||
phy.SetChannel (channel.Create ());
|
||||
|
||||
//Default IEEE 802.11n (2.4 GHz)
|
||||
WifiHelper wifi = WifiHelper::Default ();
|
||||
wifi.SetStandard (WIFI_PHY_STANDARD_80211n_2_4GHZ);
|
||||
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
|
||||
"DataMode", StringValue("OfdmRate65MbpsBW20MHz"),
|
||||
"ControlMode", StringValue("OfdmRate6_5MbpsBW20MHz"));
|
||||
HtWifiMacHelper mac = HtWifiMacHelper::Default ();
|
||||
|
||||
//Install PHY and MAC
|
||||
Ssid ssid = Ssid ("ns3-wifi");
|
||||
mac.SetType ("ns3::StaWifiMac",
|
||||
"Ssid", SsidValue (ssid),
|
||||
"ActiveProbing", BooleanValue (false));
|
||||
|
||||
NetDeviceContainer staDevice;
|
||||
staDevice = wifi.Install (phy, mac, wifiStaNode);
|
||||
|
||||
mac.SetType ("ns3::ApWifiMac",
|
||||
"Ssid", SsidValue (ssid));
|
||||
|
||||
NetDeviceContainer apDevice;
|
||||
apDevice = wifi.Install (phy, mac, wifiApNode);
|
||||
|
||||
//Once install is done, we overwrite the standard timing values
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/Slot", TimeValue (MicroSeconds (slot)));
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/Sifs", TimeValue (MicroSeconds (sifs)));
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/AckTimeout", TimeValue (MicroSeconds (ackTimeout)));
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/CtsTimeout", TimeValue (MicroSeconds (ctsTimeout)));
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/Rifs", TimeValue (MicroSeconds (rifs)));
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/BasicBlockAckTimeout", TimeValue (MicroSeconds (basicBlockAckTimeout)));
|
||||
Config::Set ("/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/Mac/CompressedBlockAckTimeout", TimeValue (MicroSeconds (compressedBlockAckTimeout)));
|
||||
|
||||
//Mobility
|
||||
MobilityHelper mobility;
|
||||
Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
|
||||
|
||||
positionAlloc->Add (Vector (0.0, 0.0, 0.0));
|
||||
positionAlloc->Add (Vector (1.0, 0.0, 0.0));
|
||||
mobility.SetPositionAllocator (positionAlloc);
|
||||
|
||||
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
|
||||
|
||||
mobility.Install (wifiApNode);
|
||||
mobility.Install (wifiStaNode);
|
||||
|
||||
//Internet stack
|
||||
InternetStackHelper stack;
|
||||
stack.Install (wifiApNode);
|
||||
stack.Install (wifiStaNode);
|
||||
|
||||
Ipv4AddressHelper address;
|
||||
|
||||
address.SetBase ("192.168.1.0", "255.255.255.0");
|
||||
Ipv4InterfaceContainer staNodeInterface;
|
||||
Ipv4InterfaceContainer apNodeInterface;
|
||||
|
||||
staNodeInterface = address.Assign (staDevice);
|
||||
apNodeInterface = address.Assign (apDevice);
|
||||
|
||||
//Setting applications
|
||||
UdpServerHelper myServer (9);
|
||||
ApplicationContainer serverApp = myServer.Install (wifiStaNode.Get (0));
|
||||
serverApp.Start (Seconds (0.0));
|
||||
serverApp.Stop (Seconds (simulationTime));
|
||||
|
||||
UdpClientHelper client (staNodeInterface.GetAddress (0), 9);
|
||||
client.SetAttribute ("MaxPackets", UintegerValue (4294967295));
|
||||
client.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s
|
||||
client.SetAttribute ("PacketSize", UintegerValue (1472)); //bytes
|
||||
|
||||
ApplicationContainer clientApp = client.Install (wifiApNode.Get (0));
|
||||
clientApp.Start (Seconds (1.0));
|
||||
clientApp.Stop (Seconds (simulationTime));
|
||||
|
||||
//Populate routing table
|
||||
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
|
||||
|
||||
//Set simulation time and launch simulation
|
||||
Simulator::Stop (Seconds (simulationTime));
|
||||
Simulator::Run ();
|
||||
Simulator::Destroy ();
|
||||
|
||||
//Get and print results
|
||||
uint32_t totalPacketsThrough = DynamicCast<UdpServer>(serverApp.Get (0))->GetReceived ();
|
||||
double throughput = totalPacketsThrough * 1472 * 8/((simulationTime-1) * 1000000.0); //Mbit/s
|
||||
std::cout << "Throughput: " << throughput << " Mbit/s" << std::endl;
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -55,6 +55,9 @@ def build(bld):
|
||||
obj = bld.create_ns3_program('ht-wifi-network', ['core','internet', 'mobility', 'wifi', 'applications', 'propagation'])
|
||||
obj.source = 'ht-wifi-network.cc'
|
||||
|
||||
obj = bld.create_ns3_program('wifi-timing-attributes', ['core','internet', 'mobility', 'wifi', 'applications', 'propagation'])
|
||||
obj.source = 'wifi-timing-attributes.cc'
|
||||
|
||||
obj = bld.create_ns3_program('wifi-sleep', ['core', 'network', 'internet', 'mobility', 'wifi', 'applications', 'energy', 'config-store'])
|
||||
obj.source = 'wifi-sleep.cc'
|
||||
|
||||
|
||||
Reference in New Issue
Block a user