{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8509437","patent":{"patent_number":"US-8509437","title":"Radio communication system, radio communication apparatus, and ciphering method","assignee":null,"inventors":[],"filing_date":"2008-12-26T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":18,"abstract":"The radio communication system of the present invention includes a radio access network (10) and a radio communication apparatus (60). The radio communication apparatus (60) includes a control unit (61) that, when reconfiguring a radio access bearer between a DCH and an uplink line E-DCH and downlink line HSDPA, sets a start value that is to be used after the reconfiguration in ciphering the radio access bearer, and a transceiver (62) that transmits to the radio access network (10) the start value that was set in the control unit (61) and that is to be used after the reconfiguration."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Radio communication system, radio communication apparatus, and ciphering method","description":"The radio communication system of the present invention includes a radio access network (10) and a radio communication apparatus (60). The radio communication apparatus (60) includes a control unit (6","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8509437","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-8509437","citation_suggestion":"Patentable. \"Radio communication system, radio communication apparatus, and ciphering method\" (US-8509437). https://patentable.app/patents/US-8509437","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8509437","json":"https://patentable.app/api/llm-context/US-8509437","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:15:35.117Z"}