Convergence Analysis and Design of Multiple Concatenated Codes
Convergence Analysis and Design of Multiple Concatenated Codes
Convergence Analysis and Design of Multiple Concatenated Codes
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Extrinsic Information Transfer (EXIT) Function<br />
x(i)<br />
✲<br />
❥<br />
✻<br />
<br />
✲<br />
D<br />
✲<br />
❄<br />
❥✛<br />
D<br />
y(i)<br />
✲<br />
x(i)<br />
✲<br />
❥<br />
✻<br />
<br />
✲<br />
D<br />
✲<br />
❥<br />
✻<br />
✲<br />
D<br />
✲<br />
❥<br />
✻<br />
<br />
y(i)<br />
✲<br />
(I A(x) , I A(y)<br />
)<br />
I E(x) = Tx<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
1 0<br />
0.8<br />
0.6<br />
I A(y)<br />
0.4<br />
0.2<br />
0<br />
0<br />
0.2<br />
0.4<br />
0.8<br />
0.6<br />
I A(x)<br />
(I A(x) , I A(y)<br />
)<br />
1<br />
I E(x) = Tx<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
1 0<br />
0.8<br />
0.6<br />
I A(y)<br />
0.4<br />
0.2<br />
0<br />
0<br />
0.2<br />
0.4<br />
0.8<br />
0.6<br />
I A(x)<br />
1<br />
EXIT function for CC(4/7).<br />
EXIT function for CC(7/5).<br />
<strong>Convergence</strong> <strong>Analysis</strong> <strong>and</strong> <strong>Design</strong> <strong>of</strong> <strong>Multiple</strong> <strong>Concatenated</strong> <strong>Codes</strong>, Fredrik Brännström 2005 5