{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9667274","patent":{"patent_number":"US-9667274","title":"Method of constructing a parity-check matrix for using message-passing algorithm to decode the repeat-accumulate type of modulation and coding schemes","assignee":null,"inventors":[],"filing_date":"2015-03-19T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":36,"abstract":"A method in a network node comprises generating a parity-check matrix for decoding a transmission scheme. The transmission scheme comprises a repetition code, an interleaver, and a modulation having a memory property. The parity-check matrix comprises a function of: a differentiator matrix, the differentiator matrix comprising an inverse of an accumulator matrix; a deinterleaver matrix, the deinterleaver matrix comprising an inverse of an interleaver matrix, the interleaver matrix comprising a square unitary permutation matrix for introducing randomness; and a repetition decoder matrix."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of constructing a parity-check matrix for using message-passing algorithm to decode the repeat-accumulate type of modulation and coding schemes","description":"A method in a network node comprises generating a parity-check matrix for decoding a transmission scheme. The transmission scheme comprises a repetition code, an interleaver, and a modulation having a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9667274","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9667274","citation_suggestion":"Patentable. \"Method of constructing a parity-check matrix for using message-passing algorithm to decode the repeat-accumulate type of modulation and coding schemes\" (US-9667274). https://patentable.app/patents/US-9667274","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9667274","json":"https://patentable.app/api/llm-context/US-9667274","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:53:12.100Z"}