Your Tasks Write a program in OCTAVE/MATLAB which accomplishes the following requirements: 1. Write a function to convert the Transmitted Binary into Transmitted Signal when it passes through a Digital Modulator. Name the function 'DigitalModulator'. 2. Load the 'transmittedbinary.mat' and the 'bitnumber.mat' files provided to you and convert the data from this file into a Transmitted Signal using the function from Question 1. Afterwards, plot the Transmitted Signal against the Bit Number using a Red Line and a Red Circle Data Marker. Label the x-axis of the plot as 'Bit Number', the y-axis as 'Modulated Signal and finally, add the title Transmitted Signal to the plot.
Your Tasks Write a program in OCTAVE/MATLAB which accomplishes the following requirements: 1. Write a function to convert the Transmitted Binary into Transmitted Signal when it passes through a Digital Modulator. Name the function 'DigitalModulator'. 2. Load the 'transmittedbinary.mat' and the 'bitnumber.mat' files provided to you and convert the data from this file into a Transmitted Signal using the function from Question 1. Afterwards, plot the Transmitted Signal against the Bit Number using a Red Line and a Red Circle Data Marker. Label the x-axis of the plot as 'Bit Number', the y-axis as 'Modulated Signal and finally, add the title Transmitted Signal to the plot.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
![Problem Statement
Assuming that you are part of a project team in a Telecom company, your project is focusing on the
following wireless communications between a base station and a mobile handset. where:
Transmitted Binary
Seq. [11100]
Transmitted Signal
[111-1-1]
Digital
Modulator
Transmitter Site at Base station
(1)
Transmitted Signal
[111-1-1)
Received Signal
[1.8147 1.9058 1.1270 -0.0866 -0.3676]
Noise (random real numbers):
[0.8147 0.9058 0.1270 0.9134 0.6324]
Received signal at Mobile Handset
(2)
Figure 1. A basic Demonstration of Digital Communication System
Assume that the base station is transmitting a set of binary bits x = [1110o] to the mobile handset.
Firstly, at the transmitter, the Telecom engineers will modulate the binary bits using a Digital Modulator.
The purpose of this ('modulation') is to make the sequence easily transmitted and well interfaced to the
channel. The function of a digital modulator is to map the digit 0 to -1; and the digit 1 to 1, as illustrated
in Figure 1 (1). We see that [0 0] marked in purple are modulated to be [-1-1]. The rest of the digits [11
1] marked in red remain (11 1]. Hence, when a Transmitted Binary sequence of [1 1 1 0 0] passes through
a Digital Modulator, it becomes a Transmitted Signal of [111-1 -1]. The Transmitted Signal is then sent
over a channel to a Mobile Handset, but the signal becomes corrupted with Noise in the process a seen in
Figure 1 (2). The Received Signal at the Mobile Handset is simply the sum of the Transmitted Signal and
the Noise. The Power Level of the Received Signal can then be computed by considering the element-by-
element squared value of the Received Signal.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6d413ed-26a9-42b1-8eac-f0fbf92ab302%2F7d531f62-a5e2-4433-bebc-8d9cd5cdc85f%2Fz1dg0ov_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem Statement
Assuming that you are part of a project team in a Telecom company, your project is focusing on the
following wireless communications between a base station and a mobile handset. where:
Transmitted Binary
Seq. [11100]
Transmitted Signal
[111-1-1]
Digital
Modulator
Transmitter Site at Base station
(1)
Transmitted Signal
[111-1-1)
Received Signal
[1.8147 1.9058 1.1270 -0.0866 -0.3676]
Noise (random real numbers):
[0.8147 0.9058 0.1270 0.9134 0.6324]
Received signal at Mobile Handset
(2)
Figure 1. A basic Demonstration of Digital Communication System
Assume that the base station is transmitting a set of binary bits x = [1110o] to the mobile handset.
Firstly, at the transmitter, the Telecom engineers will modulate the binary bits using a Digital Modulator.
The purpose of this ('modulation') is to make the sequence easily transmitted and well interfaced to the
channel. The function of a digital modulator is to map the digit 0 to -1; and the digit 1 to 1, as illustrated
in Figure 1 (1). We see that [0 0] marked in purple are modulated to be [-1-1]. The rest of the digits [11
1] marked in red remain (11 1]. Hence, when a Transmitted Binary sequence of [1 1 1 0 0] passes through
a Digital Modulator, it becomes a Transmitted Signal of [111-1 -1]. The Transmitted Signal is then sent
over a channel to a Mobile Handset, but the signal becomes corrupted with Noise in the process a seen in
Figure 1 (2). The Received Signal at the Mobile Handset is simply the sum of the Transmitted Signal and
the Noise. The Power Level of the Received Signal can then be computed by considering the element-by-
element squared value of the Received Signal.
Transcribed Image Text:Your Tasks
Write a program in OCTAVE/MATLAB which accomplishes the following requirements:
1. Write a function to convert the Transmitted Binary into Transmitted Signal when it passes through
a Digital Modulator. Name the function 'DigitalModulator'.
2. Load the 'transmittedbinary.mat' and the 'bitnumber.mat' files provided to you and convert the
data from this file into a Transmitted Signal using the function from Question 1. Afterwards, plot
the Transmitted Signal against the Bit Number using a Red Line and a Red Circle Data Marker.
Label the x-axis of the plot as 'Bit Number', the y-axis as 'Modulated Signal' and finally, add the
title Transmitted Signal' to the plot.
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