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Nonuniform Quantized Decoder for Polar Codes With Minimum Distortion Quantizer
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DOI：10.1109/LCOMM.2020.3041902.png)
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摘要
En 中文
We propose a nonuniform quantized decoder for polar codes. The design metric of the quantizers is to minimize the distortion incurred by quantization. The quantizers are obtained via dynamic programming and the optimality of the quantizer is proved as well. Simulation results show that the error correction performance degradation of the proposed nonuniform quantized decoder is less than 0.1 dB compared to conventional float-point decoders under 5-bit nonuniform quantization, outperforming previous uniform quantized decoders for polar codes significantly.
Keyword:
Decoding
Quantization (signal)
Distortion
Polar codes
Heuristic algorithms
Dynamic programming
Optimization
Polar codes
quantized decoders
minimum distortion
density evolution
dynamic programming
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期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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