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Everything about Low-density parity-check code

Linear error correcting code

Low-density parity-check (LDPC) codes, also known as Gallager codes, are a class of error-correction codes first proposed in 1960. Together with the closely related turbo codes, they have gained prominence in coding theory and information theory since the late 1990s. The codes today are widely used in applications ranging from wireless communications to flash-memory storage. Together with turbo codes, they sparked a revolution in coding theory, achieving order-of-magnitude improvements in performance compared to traditional error correction codes. Wikipedia →

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  1. Read the overview: Low-density parity-check codeA 5-minute orientation
  2. Skim a recent paper: Localized statistics decoding for quantum low-density parity-check codesInfluential work since 2022
  3. Pick up a classic book: Iterative Error CorrectionThe most-reprinted book on the subject
  4. Read the landmark paper: Low-density parity-check codesCited 5,586 times
  5. Go sideways: Error correction codeA closely related topic
  6. Go sideways: Turbo codeA closely related topic

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