{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9781763","patent":{"patent_number":"US-9781763","title":"Radio link reestablishment method and controller","assignee":null,"inventors":[],"filing_date":"2013-12-24T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W"],"num_claims":12,"abstract":"Embodiments of the present invention relate to a radio link reestablishment method and a controller. The method includes: if after sending downlink signaling or downlink data for designated times, a controller receives no corresponding acknowledgment returned by a user equipment in a cell dedicated channel state, or the controller receives a radio link failure indication message sent by a base station corresponding to the user equipment, the controller instructs the user equipment to re-search for a cell to trigger a cell update procedure, thereby improving reliability of a communications service, and ensuring normal running of the communications service."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Radio link reestablishment method and controller","description":"Embodiments of the present invention relate to a radio link reestablishment method and a controller. The method includes: if after sending downlink signaling or downlink data for designated times, a c","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9781763","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-9781763","citation_suggestion":"Patentable. \"Radio link reestablishment method and controller\" (US-9781763). https://patentable.app/patents/US-9781763","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9781763","json":"https://patentable.app/api/llm-context/US-9781763","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:32:10.070Z"}