## Hamming Code(7,4)

March 24, 2011 Coded in Scilab

Hamming Encoding H(7,4) .Code Word Length = 7, Message Word length = 4, Parity bits =3

``````//Hamming Encoding
//H(7,4)
//Code Word Length = 7, Message Word length = 4, Parity bits =3
//clear;
close;
clc;
//Getting Message Word
m3 = input('Enter the 1 bit(MSb) of message word');
m2 = input('Enter the 2 bit of message word');
m1 = input('Enter the 3 bit of message word');
m0 = input('Enter the 4 bit(LSb) of message word');
//Generating Parity bits
for i = 1:(2^4)
b2(i) = xor(m0(i),xor(m3(i),m1(i)));
b1(i) = xor(m1(i),xor(m2(i),m3(i)));
b0(i) = xor(m0(i),xor(m1(i),m2(i)));
m(i,:) = [m3(i) m2(i) m1(i) m0(i)];
b(i,:) = [b2(i) b1(i) b0(i)];
end
C = [b m];
disp('___________________________________________________________')
for i = 1:2^4
disp(i)
disp(m(i,:),'Message Word')
disp(b(i,:),'Parity Bits')
disp(C(i,:),'CodeWord')
disp("   ");
disp("   ");
end
disp('___________________________________________________________')
//disp(m b C)
//Result
//Enter the 1 bit(MSb) of message word [0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1];
//Enter the 2 bit of message word [0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1];
//Enter the 3 bit of message word [0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1];
//Enter the 4 bit(LSb) of message word [0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1];``````