{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9635489","patent":{"patent_number":"US-9635489","title":"Signal transmission method for device to device direct communication between user equipments and user equipment","assignee":null,"inventors":[],"filing_date":"2013-09-27T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04W","H04W","H04W"],"num_claims":18,"abstract":"The present application relates a signal transmission method for device to device direct communication between user equipments. User equipment first determines, according to a downlink timing reference time, a receiving time for receiving a device to device direct communication D2D signal sent by another user equipment, and then the first user equipment receives, before the receiving time, the D2D signal sent by the second user equipment, thereby improving accuracy of a time for receiving a signal by the user equipment and ensuring completeness of received data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Signal transmission method for device to device direct communication between user equipments and user equipment","description":"The present application relates a signal transmission method for device to device direct communication between user equipments. User equipment first determines, according to a downlink timing referenc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9635489","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-9635489","citation_suggestion":"Patentable. \"Signal transmission method for device to device direct communication between user equipments and user equipment\" (US-9635489). https://patentable.app/patents/US-9635489","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9635489","json":"https://patentable.app/api/llm-context/US-9635489","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:55:00.934Z"}