Method for managing charging data and context during inter-PLMN mobility with roaming charging profile synchronization between visited and home network entities.

Patentradars sammanfattning

This patent discloses a system for handling charging information continuity when a user equipment transitions between different PLMNs (Public Land Mobile Networks) in 5G roaming scenarios. The invention focuses on maintaining consistent charging identifiers and profiles across network function transitions, particularly through coordinated charging data requests/responses between V-SMF (Visited Session Management Function), V-CHF (Visited Charging Function), and H-CHF (Home Charging Function). The protocol ensures that ongoing charging sessions are preserved and updated with roaming-specific charging profiles during inter-PLMN mobility registration and PDU session management.

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