{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9686779","patent":{"patent_number":"US-9686779","title":"Method and apparatus for deactivating secondary carriers in mobile communication system using carrier aggregation","assignee":null,"inventors":[],"filing_date":"2015-01-15T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04L","H04L","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":20,"abstract":"A method and an apparatus in a mobile communication system are provided. The method includes receiving, by the terminal, first information for activating a secondary Cell (SCell) from a base station, activating, by the terminal, the SCell based on the first information, starting, by the terminal, a timer associated with the SCell, restarting, by the terminal, if second information for the activated SCell is received from the base station, the timer associated with the SCell, and, if the timer expires, applying by the terminal, one or more corresponding actions for deactivating the SCell no later than in a predefined subframe, wherein the second information includes at least one of an uplink grant on the activated SCell, a downlink assignment on the activated SCell, and a control message for activating the SCell."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for deactivating secondary carriers in mobile communication system using carrier aggregation","description":"A method and an apparatus in a mobile communication system are provided. The method includes receiving, by the terminal, first information for activating a secondary Cell (SCell) from a base station, ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9686779","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-9686779","citation_suggestion":"Patentable. \"Method and apparatus for deactivating secondary carriers in mobile communication system using carrier aggregation\" (US-9686779). https://patentable.app/patents/US-9686779","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9686779","json":"https://patentable.app/api/llm-context/US-9686779","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:13:23.885Z"}