How to Implement Satellite Constellations B5G in OMNeT++

To implement satellite constellations for beyond 5G (B5G) in OMNeT++ has several steps to follows that encompasses to modelling the satellite constellation that incorporate it with B5G network requirements, and mimic its performance. In the given below are the detailed steps to set up and simulate B5G satellite constellations in OMNeT++:

Step-by-Step Implementation:

1. Understand B5G Satellite Constellations

• B5G Networks extend beyond 5G to support cutting-edge applications like improved mobile broadband, ultra-reliable low-latency communication, and massive machine-type communication. Satellites in B5G networks donate to global coverage, support high data rates, and combined with terrestrial networks.

2. Set up OMNeT++ Environment

• Make sure OMNeT++ and the INET framework is installed. The INET framework delivers many networking variables that can expand or adjust for satellite simulations.

3. Create a New OMNeT++ Project

• Open OMNeT++ and generate a new project devoted to B5G satellite constellation simulation.

4. Define Satellite and Ground Station Modules

• Create Satellite Modules:
  • Describe satellite modules in .ned files that conclude parameters for satellite orbits, coverage areas, and communication capabilities.
  • Example:

simple Satellite

{

parameters:

double orbitAltitude = 600km;

double bandwidth = 10Mbps;

double coverageRadius = 1000km;

gates:

inout downlink;

inout uplink;

}

• Create Ground Station Modules:
  • Describe ground stations and their communication with satellites that includes the parameters for antenna gain and data rates.
  • Example:

simple GroundStation

{

parameters:

double antennaGain = 35dB;

gates:

inout uplink;

inout downlink;

}

5. Define Satellite Constellation Topology

• Model Satellite Constellations:
  • Use .ned files to describe the layout of satellites and ground stations. We might use multiple satellite modules to denotes a constellation and connect them to ground stations.
  • Example:

network SatelliteConstellationB5G

{

submodules:

satellite1: Satellite {

@display(“i=satellite”);

}

satellite2: Satellite {

@display(“i=satellite”);

}

groundStation: GroundStation {

@display(“i=groundstation”);

}

connections:

satellite1.downlink –> groundStation.uplink;

satellite2.downlink –> groundStation.uplink;

groundStation.downlink –> satellite1.uplink;

groundStation.downlink –> satellite2.uplink;

}

6. Implement Satellite Movement and Coverage

• Simulate Satellite Orbits:
  • Execute satellite movement in C++ to mimic orbital mechanics and make certain the proper handovers among the satellites.
  • Example (simplified):

void Satellite::handleMessage(cMessage *msg)

{

// Update satellite position based on orbital mechanics

// Handle data transmission and handover

}

7. Integrate B5G Features

• Define B5G-Specific Requirements:
  • Apply the cutting-edge features such as beamforming, multiple input multiple output (MIMO), and high-speed data transmission.
  • Adapt existing INET models or generate new ones to meet B5G specifications.

8. Configure Simulation Parameters

• Edit the omnetpp.ini File:
  • Set parameters for satellite constellations, like number of satellites, orbits, and communication settings.
  • Example:

[Config SatelliteConstellationB5G]

network = SatelliteConstellationB5G

**.satellite1.orbitAltitude = 600km

**.satellite1.bandwidth = 15Mbps

**.groundStation.antennaGain = 35dB

9. Run the Simulation

• Compile and Execute:
  • Build project and run the simulation.
  • To visualize satellite positions, communication links, and performance metrics to use OMNeT++ tools.

10. Analyse Results

• Evaluate Network Performance:
  • Evaluate metrics like data throughput, latency, coverage, and handover efficiency.
  • Use OMNeT++’s analysis tools to understand simulation outcomes and refine model as needed.

In this manual we had demonstrate how to setup the simulation and how to replicate the satellite constellation in B5G network using OMNeT++ tool. We will offer insights into the implementation of the satellite constellations for beyond 5G in diverse simulation scenarios.

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