Binary linear block code
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3. Let be a binary linear block code with parameter [n, k] = [6, 3] which has
as its generator matrix. Assume that the first three bits of each codeword are the information bits.
a) Find a generator matrix for that is in standard form. What does standard form means?
b) Find a parity check matrix for that is in standard form.
c) List all the codeword in .
d) What is the minimum distance for ?. Explain.
e) How many errors can correct?. Explain.
f) List the codewords in , the dual code of .
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Solution Summary
This provides an example of answering several questions regarding binary linear block code, including generator and parity check matrices, distance, errors, and codewords.
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-----54
3. Let be a binary linear block code with parameter [n, k] = [6, 3] which has
as its generator matrix. Assume that the first three bits of each codeword are the information bits.
a) Find a generator matrix for that is in standard form. What does standard form means?
b) Find a parity check matrix for that is in standard form.
c) List all the codeword in .
d) What is the minimum distance for ?. Explain.
e) How many errors can correct?. Explain.
f) List the codewords in , the dual code of .
Solution 54
[n,k] =[6,3]
n=6, k=3
Therefore m= n-k = 3
a) G = [ 1 0 1 1 0 1
0 1 1 0 0 1
0 0 1 1 1 0 ]
c1 c2 c3 c4 c5 c6
Performing c3 => c3 - c6
G = [ 1 0 0 1 0 1
0 1 0 0 0 1
0 0 1 1 1 0 ]
Now a matrix in standard form is a one in which the generator matrix takes ...
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