System Level Turbo Decoding
Iterates between decoders
Typically 3 to 8 iterations
Decoder 1 uses P1 stream from encoder 1
Decoder 2 uses P2 stream from encoder 2
Each decoder issoft-in / soft-out (SISO)
De-Puncture
Interleaver
De-Interleaver
Decoder 1
Decoder 2
Turbo Decoder
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