{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9681403","patent":{"patent_number":"US-9681403","title":"Method and apparatus for managing uplink time alignment","assignee":null,"inventors":[],"filing_date":"2012-03-08T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":6,"abstract":"A method and apparatus of managing uplink time alignment in a wireless communication system is provided. A user equipment starts a time alignment timer which is used to control how long the user equipment is considered uplink time aligned and receives an expiry request message from a base station while the time alignment timer is running. Upon receiving the expiry request, the user equipment expires the time alignment timer and releasing uplink resources."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for managing uplink time alignment","description":"A method and apparatus of managing uplink time alignment in a wireless communication system is provided. A user equipment starts a time alignment timer which is used to control how long the user equip","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9681403","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-9681403","citation_suggestion":"Patentable. \"Method and apparatus for managing uplink time alignment\" (US-9681403). https://patentable.app/patents/US-9681403","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9681403","json":"https://patentable.app/api/llm-context/US-9681403","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:08:54.117Z"}