Key error correction method with low complexity for satellite‐to‐ground quantum key distribution experiment based on polar codes

Table 1. Comprehensive resource results with encoding length of 1024
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Table 1. Comprehensive resource results with encoding length of 1024
Decoder category LUT FF $C o m p u t a t i o n s t r u c t u r e$ TH/(Mbit⋅s^-1)
SC decoder in this paper 2173 942 10 29.7
Linear structure SC decoder^[18] 38152 9867 512 34.2

Table 2. Comprehensive results of the decoder structure with different code length
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Table 2. Comprehensive results of the decoder structure with different code length
$N$ LUT FF $f$ / MHz TH/(Mbit⋅s^-1)
1024 1340 911 141.4 37.7
65536 53051 34372 67.6 13.6

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Zixin YIN, Weiyue LIU. Key error correction method with low complexity for satellite‐to‐ground quantum key distribution experiment based on polar codes[J]. Chinese Journal of Quantum Electronics, 2025, 42(3): 354

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