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Considering the fact that when the signal-to-noise ratio (SNR) is less than a certain threshold, the bit error rate (BER) performance of joint source-channel decoding (JSCD) will become more vulnerable to channel noise. To further improve the performance of JSCD, a practical and efficient algorithm, named joint iterative source-channel decoding (JISCD), is proposed in this paper, in which the performance...
In this paper, we propose a simplified architecture based on overlapped message passing (OMP) for QC-LDPC decoders with Normalized Minimum Sum (NMS) algorithm, aiming to reduce decoding latency with as less additional resources as possible. According to the OMP architecture, the two stages of NMS, namely check node process and variable node process, could be overlapped. Hence, overall decoding latency...
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