Maximum A posterior estimator with fast sigma calculator

Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction

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714791, 714792, 375265, H03M 1303

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active

061287652

ABSTRACT:
Forward and backward recursive calculations in a maximum a posteriori decoding process are performed in parallel processes, rather than sequentially, allowing the a posteriori transition probabilities to be calculated in the same time interval as the recursions, thereby reducing decoding latency and required memory.

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"Near Shannon Limit Error-Correcting Coding and Decoding: Turbo-Codes (1)," Claude Berrou, Alain Glavieux; Punya Thitimajshima, IEEE, 1993, pp. 1064-1070.

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