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Now, let’s see the overall procedure used for the simulation of 5G Networks in NS3.


  • NS-3 Network simulator is an open source simulator also used for the simulation of IP and Non-IP based Networks
  • NS3 is implemented using C++ and Python [scripting language]. C++ is used as a core language while python is also used as a glue language/ binding language.
  • To perform 5G Network simulation in NS3, mmwave Module is also used.
  • NS3 mmwave Model is also a software library which allows the simulation of mmwave-5G Networks[optionally including EPC(Evolved packet core)]


MMWAVE Module Description:
  • -Used to provide the basic implementation of millimeter wave user and also infrastructure devices[including propagation models, MAC and physical Model]
  • -Key design Features:
    • Provides implementation of mm-wave infrastructure devices and also user devices
    • Supports time division duplexing[TDD]
    • Customizable OFDM based frame structure also for control and data channels
    • Supports Uplink and downlink MAC scheduling
    • Customizable MIMO antenna system with beam forming at infrastructure and also user device
    • Developed in C++ completely
To interface mmWave Module in NS3:
  • Copy mmWave in the LTE folder and also paste into ns3/src folder
  • Open the terminal->go to ns-allinone-3.2x/ns-3.2x
  • Next, type the command[sudo ./waf configure]
  • To build the module, type the command “sudo ./waf build”
Simulation Steps:
  • Define the simulation scenario
  • Write a Simulation program also to recreate the desired simulation scenario[topology/architecture].This can also be done by accessing NS-3 mmwave Model library using “ns3::mmwave helper” API[Defined in “src/mmwave/helper/mmwave-helper.h”]
  • Using “ns3:: Configstore”, specify the configuration parameters of the objects being also used for the simulation
  • Configure the desired output and also run the simulation
  • Parameters used to analyze the simulation performance:
    • -SINR also for user with NLOS link
    • -SINR also for user with LoS Link
    • -Average SINR estimated also by users
    • -Data rate also for Users with LoS and NLoS links

Overall Simulation:

  • Initial Module included:

# include “ns3 / core-module.h”

# include “ns3 / network-module.h”

# include “ns3 / mobility-module.h”

# include “ns3 / config-store.h”

# include “ns3 / mmwave-helper.h”

# include <ns3 / buildings-helper.h>

# include “ns3 / global-route-manager.h”

# include “ns3 / ipv4-global-routing-helper.h”

# include “ns3 / internet-module.h”

# include “ns3 / applications-module.h”

# include “ns3/log.h”>

using namespace ns3;

int  main (int argc, char *argv[]){

// the rest of the simulation program
  • To create “Mmwavehelper” object[used to provide methods to add eNBs and UEs and instantiate common objects]

Ptr < MmWaveHelper >  ptr_mmWave = CreateObject < MmWaveHelper >  ();

  • To create “Node” objects for UEs and eNBs:

NodeContainer  enbNodes;

NodeContainer  ueNodes;

enbNodes . Create ( 1 );

ueNodes . Create ( 1 );

  • To configure the Mobility Model for all nodes:

MobilityHelper  enbmobility ;

Enbmobility . SetMobilityModel (” ns3:: ConstantPositionMobilityModel” );

enbmobility . SetPositionAllocator( enbPositionAlloc );

enbmobility . Install ( enbNodes );

BuildingsHelper :: Install ( enbNodes );

  • To install an LTE protocol stack on eNBs:

NetDeviceContainer enbNetDev  =  ptr _ mmWave – > InstallEnbDevice ( enbNodes );

  • To Install LTE protocol stack on UEs

NetDeviceContainer  ueNetDev  =  ptr _ mmWave – > InstallUeDevice ( ueNodes );

  • To create an RRC connection between UEs and eNB:

Ptr _ mmWave – > AttachToClosestEnb ( ueNetDev,  enbNetDev );

ptr _ mmWave – > EnableTraces ( ) ;

  • Activate Data radio bearer between UE and eNB:

enum EpsBearer::Qci q  =  EpsBearer::GBR _ CONV _ VOICE;

EpsBearer bearer  ( q );

Ptr _ mmWave – >ActivateDataRadioBearer ( ueNetDev,  bearer );

  • To Set the simulation stop time and run the simulation

Simulator : : Stop (Seconds (2));//Stop time

Simulator : : Run ();//Run the simulation

Simulator::Destroy ();//To clean up and exit

return 0 }

        This is the overall steps involved in the simulation of 5G Networks in NS3. To avail our further guidance for your 5G Network Simulator NS3 projects, approach us through our online service. Our experts will also provide complete project guidance along with basic tutoring service on NS3. Get our guidance also to explore the field of 5G Networking.