A 5G network architecture implementing Service-Based Architecture (SBA) with virtualized network functions for secure roaming and unified service delivery.

Patentradars sammanfattning

This patent describes a 5G Service-Based Architecture (SBA) that employs virtualized network functions communicating via standardized interfaces (N1-N9, Naf, Npcf, Nnrf, Namf, Nnef, Nnssf) across control and user planes. The system enables seamless connectivity between User Equipment (UE), Radio Access Network (RAN), Core Network functions (AMF, PCF, NEF, NSSF, UPF), and external Data Networks (DN) through a vSEPP gateway that facilitates secure roaming with third-party partners. This architecture decouples network functions from hardware, enabling flexible service provisioning and enhanced network management.

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