Satellite Session Updates for Continuous IMS Voice and Video
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Solution Overview
Problem
Existing communication systems struggle to efficiently manage changes in satellite-related information during IMS voice and video sessions, particularly when satellites move, leading to disruptions in service continuity and session management.
Innovation Solution
A method and device for receiving and delivering updated satellite-related information, such as AGW changes, to maintain seamless IMS voice and video services by updating resource configurations and session configurations in response to satellite movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If satellite-related information is not updated during satellite movement, then existing communication sessions can be maintained with simpler management, but service continuity and reliability will be disrupted
Solution Approach 1:
The patent applies preliminary action by having the terminal device proactively request satellite-related information (such as AGW information) from the network entity before actual communication disruptions occur. The terminal subscribes to satellite change notifications in advance, allowing the system to prepare and update session configurations preemptively when satellite movement is detected, thereby maintaining service continuity without reactingively managing disruptions.
Solution Approach 2:
The patent implements feedback mechanisms where the terminal device receives satellite change notifications from the network entity and uses this information to update its session configurations. The terminal actively requests and processes updated satellite-related information, creating a closed-loop feedback system that ensures session continuity adapts to satellite movement in real-time, resolving the contradiction between reliability and management complexity.
2Reliability
If satellite-related information is continuously updated during satellite movement, then service continuity is maintained, but information management becomes more complex
Solution Approach 1:
The terminal device performs preliminary subscription to satellite change notifications and proactively requests satellite-related information before actual changes occur. This preliminary action allows the system to manage information updates efficiently by having the terminal ready to receive and process changes, reducing information management overhead while maintaining continuous service.
Solution Approach 2:
The terminal device autonomously manages its own session configuration updates by receiving satellite change notifications and independently updating its resource configurations. The terminal uses the received satellite-related information to modify its session parameters without requiring continuous network intervention, thereby reducing information management overhead while ensuring service continuity.
3Adaptability or versatility
If resource configurations are frequently updated in response to satellite movement, then adaptability to satellite changes is improved, but processing time and latency increase
Solution Approach 1:
The terminal device performs preliminary subscription to satellite change notifications and pre-configures its resource update mechanisms before actual satellite movement occurs. When satellite changes are detected, the terminal already has the framework in place to quickly process and apply updates, reducing processing time while maintaining high adaptability to satellite dynamics.
Solution Approach 2:
The system implements efficient feedback loops where satellite change notifications are received and processed through pre-established channels. The terminal uses the feedback information to trigger targeted resource configuration updates only when necessary, minimizing processing time while maintaining adaptability. The feedback mechanism allows for rapid, informed decision-making about which resources need updating.
Data Source
AI summary
A method performed by a 5G or 6G communication system for supporting a higher data transmission rate is provided. The method includes receiving a first message from a first user equipment (UE), receiving satellite-related information from a policy and charging rules function/policy control function (PCRF/PCF) by using the first message, performing a resource update of the first UE by using the satellite-related information, transmitting the first message including information on the resource update to the first UE, receiving an acknowledgement (ACK) message for the first message from the UE, and updating the ACK message and transmitting the updated ACK message to a second UE.