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How to Implement Software defined WSN in OMNeT++

To implement the Software-Defined Wireless Sensor Network (SD-WSN) in OMNeT++ has numerous steps that contain to setup the essential frameworks then describe the network architecture and improve the simulation modules then configure and execute the simulation.

If you’re looking to implement Software Defined Wireless Sensor Networks (WSN) in OMNeT++, feel free to reach out to us. Our top developers can help you achieve the best simulation and project performance. We concentrate in configuring and executing simulations for your projects.

The given below are the detailed procedures on how to implement the software defined WSN:

Step-by-Step Implementation:

  1. Set up OMNeT++
  1. Install OMNeT++:
    • Download and install OMNeT++.
    • Follow the installation commands for operating system.
  2. Install INET Framework:
    • Download and install the INET framework, which delivers models for network protocols and devices.
    • Unzip the INET framework into the OMNeT++ workspace.
    • Open OMNeT++ IDE, import the INET project, and build it.
  3. Install Castalia (Optional):
    • If we need particular models for WSN, then deliberate using the Castalia framework, which is intended for WSN and Body Area Networks (BAN).
    • Download Castalia and follow the installation instructions to incorporate it with OMNeT++.
  1. Design the SD-WSN Architecture
  1. Define the Network Structure:
    • Classify the components of SD-WSN, like sensor nodes, controller nodes, and sink nodes.
    • Regulate the communication protocols and data flow among these components.
  2. Create the Network Nodes:
    • Extend existing INET nodes or generate new ones for detailed components such as sensor nodes with software-defined capabilities, SDN controllers.
    • Describe the parameters and properties of these nodes like sensing capabilities, control logic.
  1. Develop the Simulation Modules
  1. Sensor Node Module:
    • Generate a new module or extend an existing one for sensor nodes.
    • To apply the functionalities like data sensing, local processing, and communication with the controller.
  2. SDN Controller Module:
    • Outline a module to denote the SDN controller that handles the sensor nodes.
    • Implement control functionalities like network configuration, routing decisions, and resource management.
  3. Sink Node Module:
    • Generate or extend a module for sink nodes that collect data from sensor nodes and interface with the controller.
  1. Implement Communication Protocols
  1. Define Communication Interfaces:
    • Describe the interfaces for communication among sensor nodes, controllers, and sink nodes.
    • Execute data exchange mechanisms using INET’s message-passing system.
  2. Simulate Network Traffic:
    • Generate traffic generators to emulate sensor data and control messages.
    • Execute the techniques for data routing, aggregation, and control messaging.
  1. Implement SDN Features
  1. Control Plane:
    • To optimize control algorithms for the SDN controller to handle the network.
    • To execute functions like flow setup, topology discovery, and network monitoring.
  2. Data Plane:
    • Implement data forwarding mechanisms in sensor nodes as per the instructions from the controller.
    • Make certain effective data routing and handling inside the network.
  1. Configure the Simulation
  1. Network Configuration File (NED):
    • Transcribe NED files to describe the network topology and configuration.
    • Specify the types and connections of nodes in the network.
  2. Simulation Configuration File (INI):
    • Create INI files to specify simulation parameters like simulation time, node properties, traffic generation rates, and logging options.
    • Configure diverse scenarios to assess the performance of your SD-WSN implementation.
  1. Run and Analyse the Simulation
  1. Run the Simulation:
    • Use the OMNeT++ IDE to compile and run the simulation.
    • Monitor the simulation for any errors or unexpected behavior.
  2. Collect and Analyze Results:
    • Use OMNeT++’s built-in analysis tools to collect simulation data.
    • Analyse metrics like latency, throughput, packet loss, and energy consumption to assess the performance of SD-WSN implementation.

Example Code Snippets

Below is sample snippet of what the configuration files might look like:

NED File (SDWSN.ned)

package sdwsn;

import inet.node.adhoc.AdhocHost;

import inet.node.inet.Router;

import inet.mobility.single.MassMobility;

network SDWSN {

submodules:

sensorNode[20]: AdhocHost {

@display(“p=100,100;i=block/circle”);

mobility.typename = “MassMobility”;

mobility.initialX = uniform(0, 1000);

mobility.initialY = uniform(0, 1000);

}

sdnController: Router {

@display(“p=500,500;i=block/router”);

}

sinkNode: AdhocHost {

@display(“p=1000,500;i=block/sink”);

}

connections:

for i=0..19 {

sensorNode[i].pppg++ <–> sinkNode.pppg++;

sensorNode[i].pppg++ <–> sdnController.pppg++;

}

sinkNode.pppg++ <–> sdnController.pppg++;

}

INI File (omnetpp.ini)

network = sdwsn.SDWSN

sim-time-limit = 1000s

*.sensorNode*.mobility.speed = uniform(1, 5)mps

*.sensorNode*.mobility.updateInterval = 0.1s

*.sensorNode*.mobility.constraintAreaMinX = 0m

*.sensorNode*.mobility.constraintAreaMaxX = 1000m

*.sensorNode*.mobility.constraintAreaMinY = 0m

*.sensorNode*.mobility.constraintAreaMaxY = 1000m

*.sensorNode*.dataRate = uniform(100, 500)kbps

*.sensorNode*.energyModel.initialEnergy = uniform(100, 200)J

# Additional parameters for data generation, control messaging, and node properties

In the above script will help to implement the software defined WSN in the network circumstance that were implemented  by using the OMNet++ that setup the simulation and add the required headers to execute the simulation. More data will be shared about how the software defined WSN perform in other simulation tools.

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