Access gateway reselection method and apparatus, communication device, and storage medium
By selecting the appropriate AGW based on access information and satellite information during IMS session establishment, the problem of low communication efficiency under geographical restrictions is solved, and efficient IMS voice services and resource utilization are achieved.
Patent Information
- Application Number
- PCT/CN2024/116921
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-03-22
- Filing Date
- 2024-09-04
- Publication Date
- 2025-09-25
AI Technical Summary
In the 3GPP standard, due to geographical restrictions, it is difficult to deploy gateways in certain areas, resulting in geographical restrictions on communication services. In traditional IMS voice communication services, ground AGW signaling transmission suffers from low efficiency and long latency.
During the IMS session establishment process, the P-CSCF performs the AGW reselection operation. Based on the access information and satellite information of both parties in the call, the appropriate on-board or ground AGW is selected to achieve UE-satellite-UE communication and optimize the selection and use of AGW.
It effectively saves IMS voice session signaling overhead, shortens call latency, ensures efficient utilization of limited onboard resources, and improves the stability and reliability of the communication system.