How to Implement E Health Networks in OMNeT++

To implement eHealth Networks in OMNeT++ comprises exhibiting a network that provisions healthcare applications, like remote patient monitoring, telemedicine, and electronic health records (EHR) exchange. It is classically embrace sensors, gateways, and medical servers, regularly through a focus on reliable, low-latency, and secure communication. The following is step-by-step guide to executing eHealth Networks in OMNeT++ by using the INET framework:

Step-by-Step Guide

Install OMNeT++ and INET Framework

To make a certain to 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. Name the project like EHealthNetworkSimulation.

Define the Network Topology

To generate a new NED file to describe the network topology, with sensors, gateways, and medical servers.

Example: eHealth Network Topology (EHealthNetwork.ned)

package ehealthnetwork;

import inet.node.inet.StandardHost;

import inet.node.inet.Router;

network EHealthNetwork

{

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

To make an OMNeT++ initialization file to configure the limits of the simulation.

Example: Configuration File (omnetpp.ini)

[General]

network = ehealthnetwork.EHealthNetwork

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

To generate XML files to describe the IP address configuration for every 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 E-Health Application Logic

To put on eHealth applications, requirement to implement the logic for data transmission, processing, and management.

Example: Sensor Application (Pseudo-Code)

class EHealthSensorApp : public cSimpleModule

{

protected:

virtual void initialize() override;

virtual void handleMessage(cMessage *msg) override;

private:

void sendData();

};

void EHealthSensorApp::initialize() {

// Initialization code

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

}

void EHealthSensorApp::handleMessage(cMessage *msg) {

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

sendData();

scheduleAt(simTime() + 1, msg);

} else {

// Handle other messages

}

void EHealthSensorApp::sendData() {

// Logic to send data to the gateway

}

Example: Gateway Application (Pseudo-Code)

class EHealthGatewayApp : public cSimpleModule

{

protected:

virtual void initialize() override;

virtual void handleMessage(cMessage *msg) override;

private:

void processData();

};

void EHealthGatewayApp::initialize() {

// Initialization code

}

void EHealthGatewayApp::handleMessage(cMessage *msg) {

// Process data from sensors

processData();

}

void EHealthGatewayApp::processData() {

// Logic to process data from sensors

}

Example: Medical Server Application (Pseudo-Code)

class EHealthMedicalServerApp : public cSimpleModule

{

protected:

virtual void initialize() override;

virtual void handleMessage(cMessage *msg) override;

private:

void manageData();

};

void EHealthMedicalServerApp::initialize() {

// Initialization code

}

void EHealthMedicalServerApp::handleMessage(cMessage *msg) {

// Manage data from gateway

manageData();

}

void EHealthMedicalServerApp::manageData() {

// Logic to manage data from the gateway

}

Run the Simulation

Build the Project: Right-click on the project and hand-picked Build Project.
Run the Simulation: Get on on the green play button in the OMNeT++ IDE to start the simulation.

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