{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9820160","patent":{"patent_number":"US-9820160","title":"Method and apparatus for transceiving a contact verification signal in a wireless communication system","assignee":null,"inventors":[],"filing_date":"2015-12-10T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W","H04W"],"num_claims":15,"abstract":"The present document related to a method and apparatus for transceiving a signal capable of verifying the validity of an available channel in a wireless communication system. According to the present invention, a scheme for transceiving available channel information, a scheme for requesting/responding to a channel validity inquiry, and a scheme for transceiving a contact verification signal are provided, and accordingly, a scheme for supporting the accurate and efficient operation of an unlicensed device while protecting a licensed device in a whitespace band is provided."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for transceiving a contact verification signal in a wireless communication system","description":"The present document related to a method and apparatus for transceiving a signal capable of verifying the validity of an available channel in a wireless communication system. According to the present ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9820160","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-9820160","citation_suggestion":"Patentable. \"Method and apparatus for transceiving a contact verification signal in a wireless communication system\" (US-9820160). https://patentable.app/patents/US-9820160","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9820160","json":"https://patentable.app/api/llm-context/US-9820160","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:16:23.264Z"}