Satellite Access Information Routing for QoS and Charging Control
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Solution Overview
Problem
The integration of satellite networks with terrestrial networks poses challenges in managing differentiated quality-of-service (QoS) and charging policies, as satellite types (GEO, MEO, LEO) require unique QoS control and charging systems, which existing systems struggle to accurately identify and manage.
Innovation Solution
Providing satellite access information, including RAT type and satellite ID, to core network functions (AMF, SMF, PCF, CHF) to enable accurate session policy acquisition and charging management for satellite access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If satellite access information is provided to core network functions, then QoS management and charging policy accuracy are improved, but system complexity increases
Solution Approach 1:
The patent segments the satellite access information into specific fields (RAT type, satellite ID) and distributes processing responsibilities across different core network functions (AMF for access management, SMF for session policy, PCF for charging policies). This segmentation allows each function to handle specific aspects of satellite access management independently, improving overall system manageability while maintaining precision.
Solution Approach 2:
The patent introduces the AMF as an intermediary that receives satellite access information from the radio access node and forwards it to appropriate core network functions. This intermediary role simplifies the information flow architecture by centralizing the initial processing and distribution of satellite access information, reducing the complexity burden on individual functions.
2Reliability
If differentiated QoS control is implemented for different satellite types, then service quality is improved, but management complexity increases
Solution Approach 1:
The patent applies local quality by implementing satellite-type-specific QoS parameters and policies for different satellite types (GEO, MEO, LEO). Each satellite type receives customized QoS control tailored to its characteristics, such as latency and bitrate requirements, while the overall system maintains a unified management framework through standardized information exchange protocols.
3Measurement precision
If charging policies are differentiated by satellite company, then billing accuracy is improved, but information processing complexity increases
Solution Approach 1:
The patent extracts the satellite company identification function into a separate processing step within the charging policy management. The PCF receives satellite access information, identifies the satellite company, and applies corresponding charging policies independently from other network management functions. This extraction simplifies the overall information processing by isolating the billing-specific logic.
Data Source
AI summary
Method, device and computer program product for wireless communication are provided. A method includes: transmitting, by a radio access node to an access management node, satellite access information. The satellite access information is adapted to be used for at least one of a session policy acquisition or a satellite usage collection.