Turbo decoding with iterative estimation of channel parameters

Details Turbo decoding with iterative estimation of channel parameters Turbo decoding with iterative estimation of channel parameters

2003-12-23

2010-11-23

Chaudry, M. Mujtaba K (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S774000

Reexamination Certificate

active

07840884

ABSTRACT:
Method and decoding device for decoding a convolutionally coded input data signal y. The input data signal is multiplied with a scaling factor Lc(8) and then demultiplexed (6). The demultiplexed input data signal LcS is then turbo decoded (5) in order to obtain decoder output likelihood ratio data Λ. The scaling factor Lcis updated (7) for a next iteration in dependence on a combination of a posteriori likelihood data based on turbo decoded output data Λ and a priori likelihood data based on the demultiplexed signal LcS.

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