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Low-Complexity Channel-Likelihood Estimation for Non-Binary Codes and QAM
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DOI：10.1109/LCOMM.2012.042312.120382.png)
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摘要
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An approximate channel-likelihood estimation algorithm is introduced for non-binary coded, square quadrature-amplitude-modulated systems. It is shown that the proposed approximation greatly simplifies the calculation of channel-likelihoods and yet provides results close to those based on exact calculations for non-binary low-density parity-check codes over the additive white Gaussian noise channel.
Keyword:
Channel-likelihoods
non-binary LDPC codes
QAM
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4.4
论文数:
1.3W
被引数:
2.2W
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