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LLR-Based SC Decoding of Polar Codes for Two-User Binary-Input MAC
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DOI：10.1109/LCOMM.2017.2766619.png)
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摘要
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This letter considers a hardware-friendly log-likelihood ratio (LLR)-based successive cancellation (SC) decoding of polar codes for two-user binary-input multiple access channels. Based on the known recursive equations in the likelihood domain, we obtain LLR-based recursive equations for the SC decoding. An approximate LLR-based decoding is also introduced, which shows small performance loss at high error rate, but has significantly low complexity compared with the previous likelihood-based decoding.
Keyword:
Polar codes
successive cancellation
log-likelihood ratio (LLR)-based decoding
multiple access channel
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IF:
4.4
论文数:
1.3W
被引数:
2.2W
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