INTRODUCTION

Communication systems are integral to modern technology, enabling the exchange of information over

different mediums. At the core of these systems lies the transmission of data from a source to a

destination through a channel, often subject to noise and interference. This term project aims to provide

hands$-$on experience in understanding basic communication system components and applying them to a

cryptology scenario.

In this term project, you will create a basic communication system with a focus on cryptology. The project

involves designing a basic communication system simulation using MATLAB, where a transmitter encrypts

a message, sends it through a simulated channel, and a receiver decrypts the received message.

The following are the minimum requirements; however, any cool addition will be rewarded generously.

FUNCTION PROPERTIES

Transmitter function:

Responsible for encoding the original message into a secure format using a predefined key.

Key information will be stored in an Excel file with two columns: the English alphabet in the first column

and the corresponding encrypted version in the second.

Channel

Simulates the transmission medium. For the purposes of this project, we will assume an ideal channel

without noise or interference.

Receiver

Decrypts the received message using the same key from the Excel file, transforming it back to its

original form.PROJECT TASKS

User Interface:

Implement a MATLAB App Designer interface with a text box for users to input their original sentences.

Transmitter Function:

Develop a MATLAB function that takes the user$-$input sentence, reads the key from the Excel file, and

encrypts the message.

Receiver Function:

Create a MATLAB function that takes the encrypted message, reads the key from the same Excel file,

and decrypts the received message.

Button Activation:

Include a button in the interface that, when pressed, activates the transmitter and receiver functions,

displaying the encrypted and decrypted messages on the interface.

Documentation:

Provide clear and concise comments explaining the code's functionality, the structure of the key Excel

file, and how the encryption and decryption processes work. how to do this on matlab?