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ITC513 – Wireless Networking Concepts – Assessment item 2 –Tasks and Design ProjectTask 1: Practical TasksQuestion 1: Sinusoidal waveFormula for sine wave calculation is given as follows,y = A*sin (2*π* f * t)1.Calculation for frequency 1Amplitude = 1V, Frequency = 3Hz, Time = 0:50, pi = 3.14.sine_y1 = * sind(2 * 3.14 * 3 * 15);= 0.1422.Calculation for frequency 2Amplitude = 1V, Frequency = 6Hz, Time = 0:50, pi = 3.14.sine_y1 = * sind(2 * 3.14 * 6 * 30);= 0.5423.Calculation for frequency 3Amplitude = 1V, Frequency = 9Hz, Time = 0:50, pi = 3.14.sine_y1 = * sind(2 * 3.14 * 9 * 45);= 0.960Sine Wave Codeclc;clear all; % To clear the past data3
close all; % To close the past functionsamp = 1;% Amplitude of signals(in voltage)freq1 = 3;% Frequency of signal 1 (in Hertz)freq2 = 2*freq1; % Frequency of signal 2 (in Hertz)freq3 = 3*freq1; % Frequency of signal 3 (in Hertz)pi = 3.14;% Value of pitime = 0:50;% Time (in seconds)sine_y1 = amp * sind(2 * pi * freq1 * time); % Sine wave formulasine_y2 = amp * sind(2 * pi * freq2 * time); % Sine wave formulasine_y3 = amp * sind(2 * pi * freq3 * time); % Sine wave formulasubplot(3,1,1);% using subplot for dividing the plot areaplot(sine_y1, 'r');% plotting the sine_y1 in first subplottitle('Name = BATHULA RAJESH, SID = 11720318');% Title of the graphxlabel('Time (in seconds)');% X axis dataylabel('Amplitude (in Voltage)');% Y axis datagrid on;% Switching on gridhold on;% holding onsubplot(3,1,2);% using subplot for dividing the plot areaplot(sine_y2, 'b');% plotting the sine_y2 in second subplotxlabel('Time (in seconds)');% X axis dataylabel('Amplitude (in Voltage)'); % Y axis data4
grid on;% Switching on gridsubplot(3,1,3);% using subplot for dividing the plot areaplot(sine_y3, 'c');% plotting the sine_y3 in third subplotxlabel('Time (in seconds)');% X axis dataylabel('Amplitude (in Voltage)'); % Y axis datagrid on;% Switching on gridhold off;% holding offOutput PlotFigure 1. Sine Wave PlotCode:Sine wave.m5
Question 2: Free Space Propagation and Path LossFree Space Path LossThe formula for the calculation of the Free Space Path Loss is given as follows,Path Loss (PL) = 32.45 + (20*log10 (frequency)) + (20*log10 (distance));4.Calculation for frequency 1Frequency = 100 MHz, Distance = 10 kmPL1 = 32.45 + (20*log10 (100)) + (20*log10 (10));= 92.455.Calculation for frequency 2Frequency = 500 MHz, Distance = 20PL1 = 32.45 + (20*log10 (500)) + (20*log10 (20));= 112.456.Calculation for frequency 3Frequency = 1000 MHz, Distance = 30 kmPL1 = 32.45 + (20*log10 (1000)) + (20*log10 (30));= 121.99Free Space Path Loss Codeclc;% To clear the screenclear all;% To clear the past dataclose all;% To close the past functions6
d=0:30;frq1=100;% Frequency of signal 1 (in Hertz)frq2=500;% Frequency of signal 2 (in Hertz)frq3=1000;% Frequency of signal 3 (in Hertz)PL1=32.45+(20*log10 (frq1))+(20*log10 (d));%Calculating Free Space Path Loss for frequenyfrq1PL2=32.45+(20*log10 (frq2))+(20*log10 (d));%Calculating Free Space Path Loss for frequenyfrq2PL3=32.45+(20*log10 (frq3))+(20*log10 (d));%Calculating Free Space Path Loss for frequenyfrq3plot(d,PL1,";100 MHz;r");% Plotting Free Space Path Loss of frequeny frq1grid on;% Switching on the gridhold on;

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Term
Spring
Professor
SHEdwards
Tags
Cellular network, Cell site, Cellular repeater