{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9788293","patent":{"patent_number":"US-9788293","title":"Uplink signal transmission in carrier aggregation","assignee":null,"inventors":[],"filing_date":"2016-03-05T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["H04W","H04J","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04W","H04W","H04W","H04L","H04L","H04W"],"num_claims":20,"abstract":"A physical uplink control channel (PUCCH) secondary cell is in a first timing advance group. A wireless device receives a command initiating transmission of a preamble on the first TAG. The wireless device receives a response comprising a timing advance command (TAC) in subframe m. The wireless device starts transmission of uplink signals on the first TAG on or before subframe m+4. The wireless device starts transmission of valid channel state information (CSI) on the PUCCH secondary cell on or after subframe m+6."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Uplink signal transmission in carrier aggregation","description":"A physical uplink control channel (PUCCH) secondary cell is in a first timing advance group. A wireless device receives a command initiating transmission of a preamble on the first TAG. The wireless d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9788293","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-9788293","citation_suggestion":"Patentable. \"Uplink signal transmission in carrier aggregation\" (US-9788293). https://patentable.app/patents/US-9788293","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9788293","json":"https://patentable.app/api/llm-context/US-9788293","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:03:25.788Z"}