{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11991690","patent":{"patent_number":"US-11991690","title":"Method and apparatus for flexible transmission on unlicensed spectrum","assignee":null,"inventors":[],"filing_date":"2018-09-07T00:00:00.000Z","publication_date":"2024-05-21T00:00:00.000Z","cpc_codes":["H04L","H04W","H04L","H04L","H04W","H04W","H04W","H04W","H04W"],"num_claims":20,"abstract":"The present application relates to method and apparatus for flexible uplink transmission on unlicensed spectrum. One embodiment of the present disclosure provides an apparatus comprising: a receiver that receives an uplink grant for scheduling uplink transmission; a processor that: determines, based on the uplink grant, at least one candidate starting position in a scheduled time slot for the uplink transmission, wherein a candidate starting position, among the at least one candidate starting position, is determined based on a location of a Demodulation Reference Signal (DMRS) symbol; and determines a starting position for the uplink transmission from the at least one candidate starting position based on a result of performing a listen before talk (LBT) procedure on the scheduled time slot; and a transmitter that starts the uplink transmission in the scheduled time slot from the determined starting position."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for flexible transmission on unlicensed spectrum","description":"The present application relates to method and apparatus for flexible uplink transmission on unlicensed spectrum. One embodiment of the present disclosure provides an apparatus comprising: a receiver t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11991690","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-11991690","citation_suggestion":"Patentable. \"Method and apparatus for flexible transmission on unlicensed spectrum\" (US-11991690). https://patentable.app/patents/US-11991690","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11991690","json":"https://patentable.app/api/llm-context/US-11991690","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T17:22:56.124Z"}