{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11477746","patent":{"patent_number":"US-11477746","title":"Method and apparatus for synchronization of communication nodes using multiple domains in vehicle network","assignee":null,"inventors":[],"filing_date":"2019-06-25T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W"],"num_claims":8,"abstract":"An operation method of a first communication node operating as a current reference grand master (GM) node in a vehicle network includes: transmitting a first synchronization message including a first reference time of the first communication node; receiving a first response message from a second communication node, the first response message including a first synchronization offset indicating a difference between a first local time of the second communication node and the first reference time; receiving a second response message from the second communication node, the second response message including a second synchronization offset indicating a difference between the first local time and a second reference time of a third communication node operating as a GM node; and determining the first communication node or the third communication node as a new reference GM node based on a result of comparison between the first synchronization offset and the second synchronization offset."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for synchronization of communication nodes using multiple domains in vehicle network","description":"An operation method of a first communication node operating as a current reference grand master (GM) node in a vehicle network includes: transmitting a first synchronization message including a first ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11477746","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-11477746","citation_suggestion":"Patentable. \"Method and apparatus for synchronization of communication nodes using multiple domains in vehicle network\" (US-11477746). https://patentable.app/patents/US-11477746","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11477746","json":"https://patentable.app/api/llm-context/US-11477746","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:23:09.451Z"}