{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11490422","patent":{"patent_number":"US-11490422","title":"Methods, terminal device and base station for channel sensing in unlicensed spectrum","assignee":null,"inventors":[],"filing_date":"2019-07-18T00:00:00.000Z","publication_date":"2022-11-01T00:00:00.000Z","cpc_codes":["H04L","H04W","H04W","H04L","H04W"],"num_claims":20,"abstract":"Methods, a terminal device and a base station are disclosed for channel sensing in unlicensed spectrum. According to an embodiment, a terminal device determines to perform physical random access channel (PRACH) or physical uplink control channel (PUCCH) transmission in unlicensed spectrum. The base station determines one or more listen before talk (LBT) parameters for the PRACH or PUCCH transmission according to a purpose of the PRACH or PUCCH transmission."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods, terminal device and base station for channel sensing in unlicensed spectrum","description":"Methods, a terminal device and a base station are disclosed for channel sensing in unlicensed spectrum. According to an embodiment, a terminal device determines to perform physical random access chann","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11490422","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-11490422","citation_suggestion":"Patentable. \"Methods, terminal device and base station for channel sensing in unlicensed spectrum\" (US-11490422). https://patentable.app/patents/US-11490422","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11490422","json":"https://patentable.app/api/llm-context/US-11490422","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:25:16.490Z"}