Invention Grant
- Patent Title: Gx session recovery for policy and charging rules function
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Application No.: US16915671Application Date: 2020-06-29
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Publication No.: US11316708B2Publication Date: 2022-04-26
- Inventor: Khurram Ahmad Mirza , Kalyan Kalepu , Boris Antsev
- Applicant: T-Mobile USA, Inc.
- Applicant Address: US WA Bellevue
- Assignee: T-Mobile USA, Inc.
- Current Assignee: T-Mobile USA, Inc.
- Current Assignee Address: US WA Bellevue
- Agency: Lee & Hayes, P.C.
- Main IPC: H04W48/18
- IPC: H04W48/18 ; H04L12/14 ; H04L61/5007 ; H04L65/1016 ; H04L12/66
Abstract:
A Policy and Charging Rules Function (PCRF) can maintain a mapping table that associates gateway identifiers of gateways in a packet core network with corresponding IP address ranges. Based on an IP address of user equipment (UE), the PCRF can identify which of the IP address ranges in the mapping table over the UE's IP address, and which gateway identifier is mapped to that IP address range. The PCRF can accordingly contact the identified gateway to establish a Gx session for the UE with the gateway, such as restoring a previous Gx session or establishing a new Gx session.
Public/Granted literature
- US20200328904A1 GX SESSION RECOVERY FOR POLICY AND CHARGING RULES FUNCTION Public/Granted day:2020-10-15
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