{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10485019","patent":{"patent_number":"US-10485019","title":"Uplink control signaling for joint FDD and TDD carrier aggregation","assignee":null,"inventors":[],"filing_date":"2017-07-10T00:00:00.000Z","publication_date":"2019-11-19T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04L","H04L","H04L","H04L","H04W"],"num_claims":14,"abstract":"Embodiments of the invention are directed to a method for operating a mobile device including establishing a connection to a first base station designated as a PCell and establishing a connection to a second base station designated as a SCell. When the mobile device receives PDSCH from a TDD SCell in a subframe n, it transmits a HARQ ACK to an FDD PCell in subframe n+4. When the mobile device receives PDSCH in a downlink subframe from an FDD SCell, it transmits a HARQ ACK corresponding to the PDSCH to a TDD PCell in a selected uplink subframe. The selected uplink subframe may be the first valid uplink subframe following the downlink subframe. For example, where the downlink subframe carrying the PDSCH is subframe n, and the selected uplink subframe is subframe n+k, where k≥4."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Uplink control signaling for joint FDD and TDD carrier aggregation","description":"Embodiments of the invention are directed to a method for operating a mobile device including establishing a connection to a first base station designated as a PCell and establishing a connection to a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10485019","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-10485019","citation_suggestion":"Patentable. \"Uplink control signaling for joint FDD and TDD carrier aggregation\" (US-10485019). https://patentable.app/patents/US-10485019","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10485019","json":"https://patentable.app/api/llm-context/US-10485019","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:13:30.964Z"}