NS3 WIMAX PROJECTS

WiMAX acronym meaning “Worldwide Interoperability for Microwave Access”.It is an IP based Wireless Broadband Access Technology utilizing IEEE 802.16e-2005 standard as the air interface.

NS3 WIMAX PROJECTS

Benefits of  NS3 WIMAX projects:

  • No wire required .
  • Increasing data speeds for applications like streaming video and video conferencing, online gaming.
  • Quick setup and activation.
  • Quality connection.
  • High speed internet access at where it currently available.

Factors considered for deploying wimax:

  • Channel bandwidth.
  • Channel conditions.
  • Typical cell radius.
  • Modulation.
  • Mobility.
  • Spectrum.
  • Bit rate.

Applications of NS3 WIMAX Projects:

  • Indoor broadband access for residential users like high speed internet and VOIP.
  • Portable broadband access for consumers.
  • Limited residential broadband access.
  • Backhaul for hotspots.
  • E1/T1 services for enterprises.

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Ns3 Tutorial – Guide to Various Network Projects

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Sample code for NS3 WIMAX PROJECTS:
#include “ns3/core-module.h”
#include “ns3/network-module.h”
#include “ns3/applications-module.h”
#include “ns3/mobility-module.h”
#include “ns3/config-store-module.h”
#include “ns3/wimax-module.h”
#include “ns3/internet-module.h”
#include “ns3/global-route-manager.h”
#include

NS_LOG_COMPONENT_DEFINE (“wimaxIpV4Simulation”);
using namespace ns3;
int main (int argc, char *argv[])
{
int nbSS = 4, duration = 7, schedType = 0;
bool verbose = false;
WimaxHelper::SchedulerType scheduler = WimaxHelper::SCHED_TYPE_SIMPLE;
LogComponentEnable (“UdpClient”, LOG_LEVEL_INFO);
LogComponentEnable (“UdpServer”, LOG_LEVEL_INFO);

CommandLine cmd;
cmd.AddValue (“nbSS”, “number of subscriber station to create”, nbSS);
cmd.AddValue (“scheduler”, “type of scheduler to use with the network devices”, schedType);
cmd.AddValue (“duration”, “duration of the simulation in seconds”, duration);
cmd.AddValue (“verbose”, “turn on all WimaxNetDevice log components”, verbose);
cmd.Parse (argc, argv);

switch (schedType)
{
case 0:
scheduler = WimaxHelper::SCHED_TYPE_SIMPLE;
break;
case 1:
scheduler = WimaxHelper::SCHED_TYPE_MBQOS;
break;
case 2:
scheduler = WimaxHelper::SCHED_TYPE_RTPS;
break;
default:
scheduler = WimaxHelper::SCHED_TYPE_SIMPLE;
}

NodeContainer ssNodes;
NodeContainer bsNodes;
ssNodes.Create (nbSS);
bsNodes.Create (1);
WimaxHelper wimax;
NetDeviceContainer ssDevs, bsDevs;

ssDevs = wimax.Install (ssNodes,
WimaxHelper::DEVICE_TYPE_SUBSCRIBER_STATION,
WimaxHelper::SIMPLE_PHY_TYPE_OFDM,
scheduler);
bsDevs = wimax.Install (bsNodes, WimaxHelper::DEVICE_TYPE_BASE_STATION, WimaxHelper::SIMPLE_PHY_TYPE_OFDM, scheduler);

Ptr* ss = new Ptr[nbSS];

for (int i = 0; i < nbSS; i++) { ss[i] = ssDevs.Get (i)->GetObject ();
ss[i]->SetModulationType (WimaxPhy::MODULATION_TYPE_QAM16_12);
}

Ptr bs;
bs = bsDevs.Get (0)->GetObject ();

MobilityHelper mobility;
mobility.Install (bsNodes);
mobility.Install (ssNodes);

InternetStackHelper stack;
stack.Install (bsNodes);
stack.Install (ssNodes);

Ipv4AddressHelper address;
address.SetBase (“10.1.1.0”, “255.255.255.0”);

Ipv4InterfaceContainer SSinterfaces = address.Assign (ssDevs);
Ipv4InterfaceContainer BSinterface = address.Assign (bsDevs);
if (verbose)
{
wimax.EnableLogComponents (); // Turn on all wimax logging
}
UdpServerHelper* udpServer = new UdpServerHelper[nbSS / 2];
ApplicationContainer* serverApps = new ApplicationContainer[nbSS / 2];
UdpClientHelper* udpClient = new UdpClientHelper[nbSS / 2];
ApplicationContainer* clientApps = new ApplicationContainer[nbSS / 2];

for (int i = 0; i < nbSS / 2; i++)
{
udpServer[i] = UdpServerHelper (100 + (i * 10));
serverApps[i] = udpServer[i].Install (ssNodes.Get (i));
serverApps[i].Start (Seconds (6));
serverApps[i].Stop (Seconds (duration));

udpClient[i] = UdpClientHelper (SSinterfaces.GetAddress (i), 100 + (i * 10));
udpClient[i].SetAttribute (“MaxPackets”, UintegerValue (1200));
udpClient[i].SetAttribute (“Interval”, TimeValue (Seconds (0.12)));
udpClient[i].SetAttribute (“PacketSize”, UintegerValue (800));

clientApps[i] = udpClient[i].Install (ssNodes.Get (i + (nbSS / 2)));
clientApps[i].Start (Seconds (6));
clientApps[i].Stop (Seconds (duration));
}

Simulator::Stop (Seconds (duration + 0.1));

for (int i = 0; i < nbSS / 2; i++) { IpcsClassifierRecord DlClassifierBe (Ipv4Address (“0.0.0.0”), Ipv4Mask (“0.0.0.0”), SSinterfaces.GetAddress (i), Ipv4Mask (“255.255.255.255”), 0, 65000, 100 + (i * 10), 100 + (i * 10), 17, 1); ServiceFlow DlServiceFlowBe = wimax.CreateServiceFlow (ServiceFlow::SF_DIRECTION_DOWN, ServiceFlow::SF_TYPE_BE, DlClassifierBe); ss[i]->AddServiceFlow (DlServiceFlowBe);
IpcsClassifierRecord ulClassifierBe (SSinterfaces.GetAddress (i + (nbSS / 2)),
Ipv4Mask (“255.255.255.255”),
Ipv4Address (“0.0.0.0”),
Ipv4Mask (“0.0.0.0”),
0,
65000,
100 + (i * 10),
100 + (i * 10),
17,
1);
ServiceFlow ulServiceFlowBe = wimax.CreateServiceFlow (ServiceFlow::SF_DIRECTION_UP,
ServiceFlow::SF_TYPE_BE,
ulClassifierBe);
ss[i + (nbSS / 2)]->AddServiceFlow (ulServiceFlowBe);

}

NS_LOG_INFO (“Starting simulation…..”);
Simulator::Run ();

delete[] clientApps;
delete[] udpClient;
delete[] serverApps;
delete[] udpServer;
for (int i = 0; i < nbSS; i++)
{
ss[i] = 0;
}
delete[] ss;

bs = 0;

Simulator::Destroy ();
NS_LOG_INFO (“Done.”);

return 0;
}