Generation of Video traffic [Matlab]

Generation of Video traffic [Matlab]

 

 

clc;

clear all;

use=input('Enter The Number Of Users: ');

ts=input('Enter The Number Of Time Slots: ');

on=0.35;

ton=zeros(use,ts);

n=ton;

for i=1:use

for j=1:ts

ton(i,:)=poissrnd((on*10),1,ts);

if(ton(i,j)>=3.5)

n(i,j)=1;

end

end

end

test=randint(use,ts,[1,1000]);

data=n;

for i=1:use

for j=1:ts

if n(i,j)==1

if test(i,j)>=1 && test(i,j)<=980

data(i,j)=64000;

else

data(i,j)=384000;

end

end

end

end

%Time Slot Vs Bandwidth

d=sum(data);

figure(1);

bar(d);

xlabel('Time Slot');

ylabel('Bandwidth (bps)');

%Time Slots Vs Error Rate

e=zeros(1,ts);

bm=1540000;

for i=1:ts

if d(i)>bm

e(i)=d(i)-bm;

end

end

figure(2);

bar(e);

xlabel('Time Slot');

ylabel('Error Rate (bps)');

avg=sum(e)/ts;

ber=avg/bm;

buff=0;

disp('Average Bit Error Rate without Buffering: ');

disp(ber);

while ber>1e-6

buff =buff+10;

bm=bm+10;

for i=1:ts

if e(i)>0

e(i)=d(i)-bm;

end

end

s=sum(e);

ber=s/(ts*bm);

end

disp('Bit Error Rate with Buffer: ');

disp(ber);

disp('Optimum Buffer Size: ');

disp(buff);