A telecommunications network architecture integrating evolved packet core (EPC) infrastructure with 5G service-based architecture enabling seamless connectivity across LTE and NR radio access networks.

Patentradars sammanfattning

The invention describes a hybrid cellular network system combining legacy 4G LTE evolved UTRAN (E-UTRAN) architecture with modern 5G network slicing and service-based functions. The system architecture integrates evolved packet gateway (S-GW), mobility management entities (MME), and home subscriber servers (HSS) from EPC with 5G core network functions including the UDM (unified data management), PCF (policy control function), AMF (access and mobility management function), SMF (session management function), and other service-based network elements connected via standardized service reference points.

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