How to Implement Biomedical Networks in OMNeT++

To implement the Biomedical Networks in OMNeT++, we have to generate a network that helps health-related applications like Body Area Networks (BANs), telemedicine, and remote health monitoring. This network commonly has sensors, gateways, and medical servers. Here’s a step-by-step guide to implementing Biomedical Networks in OMNeT++ using the INET framework:

Step-by-Step Implementation:

Install OMNeT++ and INET Framework

Make certain, you have OMNeT++ and the INET Framework installed.

Create a New OMNeT++ Project

Open OMNeT++ IDE: Start the OMNeT++ IDE.
Create a New Project: Go to File -> New -> OMNeT++ Project. Give a name to the project (like BiomedicalNetworkSimulation).

Define the Network Topology

To state the network topology that has biomedical sensors, gateways, and medical servers, we have to create a new NED file.

Example: Biomedical Network Topology (BiomedicalNetwork.ned)

package biomedicalnetwork;

import inet.node.inet.StandardHost;

import inet.node.inet.Router;

network BiomedicalNetwork

{

parameters:

@display(“bgb=800,400”);

submodules:

sensor1: StandardHost {

@display(“p=100,300”);

}

sensor2: StandardHost {

@display(“p=300,300”);

}

gateway: Router {

@display(“p=200,200”);

}

medicalServer: StandardHost {

@display(“p=400,100”);

}

connections:

sensor1.ethg++ <–> Eth10M <–> gateway.ethg++;

sensor2.ethg++ <–> Eth10M <–> gateway.ethg++;

gateway.ethg++ <–> Eth10M <–> medicalServer.ethg++;

}

Configure the Simulation

Configure the simulation’s parameter by creating an OMNeT++ initialization file.

Example: Configuration File (omnetpp.ini)

[General]

network = biomedicalnetwork.BiomedicalNetwork

sim-time-limit = 100s

# Visualization

*.visualizer.canvasVisualizer.displayBackground = true

*.visualizer.canvasVisualizer.displayGrid = true

# Sensor Configuration

*.sensor*.numApps = 1

*.sensor*.app[0].typename = “UdpBasicApp”

*.sensor*.app[0].destAddresses = “gateway”

*.sensor*.app[0].destPort = 5000

*.sensor*.app[0].messageLength = 512B

*.sensor*.app[0].sendInterval = 1s

# Gateway Configuration

*.gateway.numApps = 1

*.gateway.app[0].typename = “UdpSink”

*.gateway.app[0].localPort = 5000

# Medical Server Configuration

*.medicalServer.numApps = 1

*.medicalServer.app[0].typename = “UdpSink”

*.medicalServer.app[0].localPort = 6000

# UDP Configuration

*.sensor*.hasUdp = true

*.gateway.hasUdp = true

*.medicalServer.hasUdp = true

# IP Address Configuration

*.sensor1.ipv4.config = xmldoc(“sensor1.xml”)

*.sensor2.ipv4.config = xmldoc(“sensor2.xml”)

*.gateway.ipv4.config = xmldoc(“gateway.xml”)

*.medicalServer.ipv4.config = xmldoc(“medicalServer.xml”)

Create IP Address Configuration Files

Create XML files to allocate the IP address configuration for each node.

Example: IP Configuration File for sensor1 (sensor1.xml)

</interface>

</config>

Example: IP Configuration File for sensor2 (sensor2.xml)

</interface>

</config>

Example: IP Configuration File for gateway (gateway.xml)

</interface>

</config>

Example: IP Configuration File for medicalServer (medicalServer.xml)

</interface>

</config>

Implement Biomedical Application Logic

Simulate the biomedical applications by executing the logic for data transmission, processing, and management.

Example: Biomedical Sensor Application (Pseudo-Code)

class BiomedicalSensorApp : public cSimpleModule

{

protected:

virtual void initialize() override;

virtual void handleMessage(cMessage *msg) override;

private:

void sendData();

};

void BiomedicalSensorApp::initialize() {

// Initialization code

scheduleAt(simTime() + 1, new cMessage(“sendData”));

}

void BiomedicalSensorApp::handleMessage(cMessage *msg) {

if (strcmp(msg->getName(), “sendData”) == 0) {

sendData();

scheduleAt(simTime() + 1, msg);

} else {

// Handle other messages

}

void BiomedicalSensorApp::sendData() {

// Logic to send data to the gateway

}

Example: Gateway Application (Pseudo-Code)

class GatewayApp : public cSimpleModule

{

protected:

virtual void initialize() override;

virtual void handleMessage(cMessage *msg) override;

private:

void processData();

};

void GatewayApp::initialize() {

// Initialization code

}

void GatewayApp::handleMessage(cMessage *msg) {

// Process data from sensors

processData();

}

void GatewayApp::processData() {

// Logic to process data from sensors

}

Example: Medical Server Application (Pseudo-Code)

class MedicalServerApp : public cSimpleModule

{

protected:

virtual void initialize() override;

virtual void handleMessage(cMessage *msg) override;

private:

void manageData();

};

void MedicalServerApp::initialize() {

// Initialization code

}

void MedicalServerApp::handleMessage(cMessage *msg) {

// Manage data from gateway

manageData();

}

void MedicalServerApp::manageData() {

// Logic to manage data from the gateway

}

Run the Simulation

Build the Project: Right-click on project and select Build Project.
Run the Simulation: In the OMNeT++ IDE, Click on the green play button to start the simulation.

As we seen earlier, this demonstration fully covers the biometrical network’s simulation to implementation and the INET framework used in the OMNeT++. For your future references, we will offer you about any details regarding this topic,

We develop applications such as Body Area Networks (BANs), telemedicine, and remote health monitoring tailored to your projects. Share your project details with us, and we will provide you with simulation results and further guidance. Additionally, we offer implementation and project performance analysis of Biomedical Networks using the OMNeT++ tool.