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Serial Concatenated TCM With an Inner Accumulate Code—Part I: Maximum-Likelihood Analysis
2005
IEEE Transactions on Communications
In this paper, we propose a serial concatenated trellis-coded modulation system using one or more inner rate-1 accumulate codes and a mapping to a higher order, Gray-labeled signal constellation. As outer codes, we consider repeat codes, single parity-check codes, and convolutional codes. We show that under maximum-likelihood decoding, there exists a signal-to-noise ratio threshold beyond which the bit-error probability goes to zero as the blocklength goes to infinity. We then evaluate the
doi:10.1109/tcomm.2004.840630
fatcat:5xun2gpadnfkzdan7tz66z7ymu