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Windowed Decoding for Delayed Bit-Interleaved Coded Modulation
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DOI：10.1109/LCOMM.2021.3107104.png)
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摘要
En 中文
Delayed bit-interleaved coded modulation (DBICM) generalizes bit-interleaved coded modulation (BICM) by modulating differently delayed sub-blocks of codewords onto the same signals. DBICM improves transmission reliability over BICM due to its capability of detecting undelayed sub-blocks with the extrinsic information of the decoded delayed sub-blocks. In this work, we propose a novel windowed decoding algorithm for DBICM, which uses the extrinsic information of both the decoded delayed and undelayed sub-blocks, to improve the detection on all sub-blocks. Numerical results show that the proposed windowed decoding significantly outperforms the original decoding.
Keyword:
Decoding
Modulation
Iterative decoding
Delays
Interleaved codes
Reliability
Quadrature amplitude modulation
Low-density parity-check (LDPC) code
delayed bit-interleaved coded modulation (DBICM)
bit-interleaved coded modulation (BICM)
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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