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Soft List Decoding of Polar Codes
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DOI：10.1109/TVT.2020.3021258.png)
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摘要
En 中文
Soft-output (SO) decoding is proposed for the Logarithmic Successive Cancellation List (Log-SCL) polar decoder for the first time, by exploiting the left-to-right propagation of the Belief Propagation (BP) decoder, which opens new avenues for its employment in powerful turbo-receivers. In the case of decoding a half-rate polar code having a block length of 1024 bits, the proposed soft list polar decoder achieves a 1.5 dB Block Error Ratio (BLER) performance gain, 50% latency improvement and 26% complexity reduction, compared to the state-of-the-art SO Soft Cancellation (SCAN) polar decoder in a polar-coded Multiple-Input Multiple-Output (MIMO) system. Furthermore, we conceive a Memory-Efficient (ME) soft list polar decoder, which requires only 16% of the soft list polar decoder's memory, at the cost of slightly increased latency and complexity.
Keyword:
Decoding
Iterative decoding
MIMO communication
Detectors
Memory management
Quadrature amplitude modulation
Complexity theory
Belief propagation (BP)
polar codes
soft decoding
successive cancellation list (SCL) decoding
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期刊
IF:
7.1
论文数:
1.8W
被引数:
6.6W
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引用论文
CRC-Aided Logarithmic Stack Decoding of Polar Codes for Ultra Reliable Low Latency Communication in 3GPP New Radio.png)
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