{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9749978","patent":{"patent_number":"US-9749978","title":"Device-to-device D2D communication method and apparatus","assignee":null,"inventors":[],"filing_date":"2013-10-25T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W","H04W"],"num_claims":20,"abstract":"A device-to-device (D2D) communication method and an apparatus where the method includes acquiring, by a first device, a communication signal resource and timing information of the communication signal resource, where the communication signal resource is used for D2D communication, and receiving, by the first device, on the communication signal resource according to the timing information of the communication signal resource, a communication signal sent by a second device, and using the D2D communication method and the apparatus provided in the present disclosure, synchronization between user devices for D2D communication can be implemented such that users located in different cells can use a D2D proximity service."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device-to-device D2D communication method and apparatus","description":"A device-to-device (D2D) communication method and an apparatus where the method includes acquiring, by a first device, a communication signal resource and timing information of the communication signa","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9749978","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-9749978","citation_suggestion":"Patentable. \"Device-to-device D2D communication method and apparatus\" (US-9749978). https://patentable.app/patents/US-9749978","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9749978","json":"https://patentable.app/api/llm-context/US-9749978","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:23:55.090Z"}