{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10484009","patent":{"patent_number":"US-10484009","title":"Decoding method and decoder for low-density parity-check code","assignee":null,"inventors":[],"filing_date":"2018-05-17T00:00:00.000Z","publication_date":"2019-11-19T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":18,"abstract":"A decoding method and a decoder for a low-density parity-check (LDPC) code, where the method includes dividing, by a decoder, an LDPC code C whose bit length is n into k LDPC codes D={D1,D2,K,Dk-1,Dk}, arranging, by the decoder, Di, i=1,2,K,k−1,k by column to obtain transpose codes DT={D1T,D2T,K,Dk-1T,DkT} of the LDPC codes D, performing cyclic shift on DiT,i=1,2,K,k−1,k by row according to values of corresponding elements in a target check matrix to obtain shift codes E={E1,E2,K,Et-1,Et}, where t is equal to a quantity of rows of the target check matrix, obtaining, by the decoder, t*m groups of LDPC subcodes F1,F2,K,Ftm-1,Ftm according to the shift codes E and a bit length d of the decoder, where Ej is divided into m groups, Ej={(Ej)1d,(Ej)d+12d,K,(Ej)(m-2)d+1(m-1)d,(Ej)(m-1)d+1md}={F(j-1)m+1,F(j-1)m+2,K,Fjm-1,Fjm}, and m=┌l/d┐, and decoding, by the decoder, the m groups of LDPC subcodes to obtain a decoding result of the LDPC code C."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Decoding method and decoder for low-density parity-check code","description":"A decoding method and a decoder for a low-density parity-check (LDPC) code, where the method includes dividing, by a decoder, an LDPC code C whose bit length is n into k LDPC codes D={D1,D2,K,Dk-1,Dk}","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10484009","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-10484009","citation_suggestion":"Patentable. \"Decoding method and decoder for low-density parity-check code\" (US-10484009). https://patentable.app/patents/US-10484009","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10484009","json":"https://patentable.app/api/llm-context/US-10484009","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:15:30.888Z"}