Turbo Decoding Scheme
Iterative decoding: D1 ? D2 ? D1 ? D2 ? ...
A decoder module (D) for each encoder (C)
Increasingly good solution:
closer to maximum likelihood decoding
Decoder
?
C 2
C 1
?
D 1
?
? -1
Encoder
U
C
Y
Û
D 2
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