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Multistage Rewinding Decoder for QLDPC Codes
This invention proposes a multistage decoding framework that leverages internal information from an underlying message-passing decoder. The decoder performs guided rewinds by selectively forcing the initial log likelihood ratio values of the most suspicious variable nodes and restarting the message-passing decoder under the corresponding forced configuration....
Published: 6/22/2026
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Updated: 6/22/2026
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Inventor(s): Milad Taghipour, Dimitris Chytas, Bane Vasic
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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Enhanced Min-Sum Decoding of Quantum Codes
This technology is an advanced message-passing decoder called the Min-Sum with Past Influence (MS-PI) decoder, specifically designed for Quantum Low-Density Parity-Check (QLDPC) codes. The MS-PI decoder addresses critical challenges in quantum error correction by leveraging oscillatory message dynamics to enhance decoding performance, particularly for...
Published: 3/12/2025
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Updated: 3/12/2025
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Inventor(s): Dimitris Chytas, Nithin Raveendran, Bane Vasic
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Software & Information Technology > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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Two-bit Bit Flipping Decoder Diversity for Quantum LDPC Codes
Quantum low-density parity-check (QLDPC) codes are the leading candidate for performing error correction in scalable fault-tolerant quantum computing systems. This invention presents a Two-bit Bit Flipping Decoder Diversity (TBF) for quantum low-density parity-check (QLDPC) codes, specifically targeting variable degree-3 QLDPC codes. By using a refined...
Published: 3/13/2025
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Updated: 12/16/2024
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Inventor(s): Dimitris Chytas, Nithin Raveendran, Bane Vasic
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Software & Information Technology
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