Multi-Access PDU Session Access Type Usage
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Solution Overview
Problem
In wireless communication networks, certain access types for multi-access protocol data unit sessions may be unavailable, leading to restrictions on user plane resources, which complicates the establishment and management of such sessions.
Innovation Solution
A method and apparatus that allow user equipment to send a request for a multi-access protocol data unit session via a first access type, receive a response indicating user plane restrictions for restricted access types, and determine to use user plane resources only over non-restricted access types, ensuring session establishment and management even when restricted access types are unavailable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If user equipment requests a multi-access protocol data unit session via a first access type, then the session establishment process is initiated, but the response may indicate user plane restrictions for restricted access types, limiting resource availability
Solution Approach 1:
The system dynamically adapts the access type configuration based on network conditions and availability. When a requested access type is restricted, the system automatically modifies the session configuration to use alternative non-restricted access types, ensuring continuous session establishment while adapting to changing network conditions
Solution Approach 2:
The system changes the access type parameter from the originally requested restricted access type to an alternative non-restricted access type when restrictions are detected. This parameter substitution allows the session to proceed with modified but functionally equivalent configuration
2Device complexity
If user plane resources are restricted for certain access types, then network control and resource management are improved, but the user experience and service continuity may be degraded
Solution Approach 1:
The user equipment autonomously detects access type restrictions and self-adjusts the session configuration by selecting alternative non-restricted access types without requiring manual intervention or complex network control procedures, maintaining service continuity while simplifying the overall system operation
Data Source
AI summary
Apparatuses, methods, and systems are disclosed for multi-access protocol data unit session access type usage. One method includes sending, to a network, a first request message to establish a multi-access protocol data unit session via a first access type. The method includes receiving a response message including an indication for a user plane restriction for a restricted access type. The method includes determining to use user plane resources only over a non-restricted access type.