Turbo-decoding without SNR estimation

Abstract

Theoretically, it is necessary to estimate the SNR when using a MAP of the log-MAP constituent decoder. The effect of an SNR mismatch on the bit error rate performance of turbo-codes and the design of good variance estimators have been addressed by several authors. In this letter we study the SNR sensitivity of turbo-decoding with log-MAP and max-log-MAP… (More)
DOI: 10.1109/4234.848410

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