Morphing circuits optimize syndrome extraction for Abelian 2BGA and other QEC codes, yielding new circuits with improved parameters, connectivity, and stability against measurement errors.
Soft-Information Post-Processing for Chase-Pyndiah Decoding Based on Generalized Mutual Information
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LDGM codes enable syndrome measurement for QLDPC codes with controlled constant-weight stabilizers, yielding lower logical error rates than repeated extraction on a distance-5 surface code.
A piecewise-linear max-log approximation to SOCS decoding for turbo product codes outperforms Chase-Pyndiah and approaches full SOCS performance for (256,239) eBCH-based TPCs.
Scaling extrinsic messages by decoder confidence in Chase-Pyndiah decoding for product codes delivers a 0.1 dB gain over the baseline decoder.
citing papers explorer
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A Log-Domain Approximation of SOCS Decoding for Turbo Product Codes
A piecewise-linear max-log approximation to SOCS decoding for turbo product codes outperforms Chase-Pyndiah and approaches full SOCS performance for (256,239) eBCH-based TPCs.
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Improved Chase-Pyndiah Decoding for Product Codes with Scaled Messages
Scaling extrinsic messages by decoder confidence in Chase-Pyndiah decoding for product codes delivers a 0.1 dB gain over the baseline decoder.