{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11963000","patent":{"patent_number":"US-11963000","title":"Methods, apparatuses, computer programs and carriers for security management before handover from 5G to 4G system","assignee":null,"inventors":[],"filing_date":"2023-02-10T00:00:00.000Z","publication_date":"2024-04-16T00:00:00.000Z","cpc_codes":["H04W","H04W","H04L","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":15,"abstract":"A key management is provided that enables security activation before handing over a user equipment from a source 5G wireless communication system, i.e., a Next Generation System (NGS), to a target 4G wireless communication system, i.e., a Evolved Packet System (EPS)/Long Term Evolution (LTE). The key management achieves backward security, i.e., prevents the target 4G wireless communication system from getting knowledge of 5G security information used in the source 5G wireless communication system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods, apparatuses, computer programs and carriers for security management before handover from 5G to 4G system","description":"A key management is provided that enables security activation before handing over a user equipment from a source 5G wireless communication system, i.e., a Next Generation System (NGS), to a target 4G ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11963000","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-11963000","citation_suggestion":"Patentable. \"Methods, apparatuses, computer programs and carriers for security management before handover from 5G to 4G system\" (US-11963000). https://patentable.app/patents/US-11963000","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11963000","json":"https://patentable.app/api/llm-context/US-11963000","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T18:35:38.276Z"}