Channel Coding Part II - Digital Communication Chapter 6 & 7 - Unik
Channel Coding Part II - Digital Communication Chapter 6 & 7 - Unik
Channel Coding Part II - Digital Communication Chapter 6 & 7 - Unik
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Linear Block Codes (n, k), I<br />
<strong>Coding</strong> is a mapping from one space to another:<br />
mapping<br />
e<br />
U r<br />
m G H T s<br />
<strong>Channel</strong><br />
<strong>Channel</strong> <strong>Coding</strong><br />
<strong>Part</strong> <strong>II</strong><br />
Ola Jetlund<br />
Introduction<br />
Linear Block Codes<br />
Hamming<br />
Convolutional Codes<br />
Example<br />
Decoding<br />
Decisions<br />
Viterbi<br />
Data block<br />
Codeword<br />
k bits<br />
n bits<br />
s = r · H T r = U + e U = m · G G · H T = 0<br />
s = r · H T = (U + e) · H T = (m · G + e) · H T m · G · H T + e · H T<br />
= m · 0 + e · H T = 0 + e · H T = e · H T .