{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9749877","patent":{"patent_number":"US-9749877","title":"Method for detecting radio link failure for transmission over enhanced dedicated channel in a CELL—FACH state","assignee":null,"inventors":[],"filing_date":"2012-12-28T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W"],"num_claims":6,"abstract":"A method and apparatus are used for detecting a radio link (RL) failure and a post verification process. A quality of a downlink fractional dedicated physical channel (F-DPCH) is monitored once a transmission on an enhanced dedicated channel (E-DCH) has begun. It is determined whether the quality of the downlink F-DPCH is below a predefined threshold. If the quality is below the predefined threshold, then an occurrence of an RL failure is declared and a transmission over the E-DCH in a cell forward access channel (CELL_FACH) state is terminated. In a case of the post verification failure, E-DCH resources are released."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for detecting radio link failure for transmission over enhanced dedicated channel in a CELL—FACH state","description":"A method and apparatus are used for detecting a radio link (RL) failure and a post verification process. A quality of a downlink fractional dedicated physical channel (F-DPCH) is monitored once a tran","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9749877","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-9749877","citation_suggestion":"Patentable. \"Method for detecting radio link failure for transmission over enhanced dedicated channel in a CELL—FACH state\" (US-9749877). https://patentable.app/patents/US-9749877","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9749877","json":"https://patentable.app/api/llm-context/US-9749877","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:16:03.570Z"}