Free space loss and the power received using Matlab program

Free space loss and the power received using Matlab program

Program :-

clc;

close all;

clear;

Pt=input('transmistion power in watt');

Gt=input('gain of transmistting antenna');

Gr=input('gain of the receiving antenna');

f=input('freq in MHz');

d=input('Distance in km');

pt=10*log10(Pt);

pr=pt+Gt+Gr-(20*log10(d)+20*log10(f)+32.4);

disp('Recived power is');

disp(pr);

for i=1:1:d

PL(i)=20*log10(i)+20*log10(f)+32.44-Gt-Gr;

end

disp('path loss');

disp(PL(i));

plot(PL);

xlabel('distance');

ylabel('path loss');

 

Output:-

 freq in MHz325

Distance in km15

Recived power is

  -65.9847

path loss

   88.1995

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