Default UE Configuration Signaling Across Serving PLMNs
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Solution Overview
Problem
In cellular systems, particularly with 5G, managing UE configuration when roaming becomes challenging due to the use of default configurations that may not align with specific network requirements, leading to resource inefficiencies and complexity in network management.
Innovation Solution
A UE indicates its use of a default configuration to the serving network through explicit messages, allowing the network to provide network-specific configurations when necessary, thereby optimizing resource utilization and reducing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a UE uses a default configuration for all PLMNs, then device complexity is reduced and ease of operation is improved, but network-specific service requirements cannot be met and resource utilization deteriorates
Solution Approach 1:
The network autonomously detects when a UE is using a default configuration through the indication message and automatically provides the appropriate network-specific configuration without requiring manual intervention or complex UE-side decision-making processes
Solution Approach 2:
The UE sends an indication message to the network regarding its configuration status, creating a feedback loop that enables the network to adjust its resource allocation and configuration provision strategies based on real-time UE state information
2Productivity
If the network provides network-specific configurations to all UEs, then service requirements are met and resource utilization is optimized, but network management complexity and signaling overhead increase
Solution Approach 1:
Instead of applying a uniform configuration approach to all UEs, the network provides network-specific configurations selectively only to UEs that indicate they are using default configurations, tailoring the management approach to the specific needs of each UE
Solution Approach 2:
The network performs configuration provision partially - only for UEs that need it - rather than excessively provisioning all UEs with network-specific configurations, thereby reducing unnecessary signaling overhead and management complexity
3Reliability
If a UE switches from default configuration to network-specific configuration, then service access reliability is improved, but signaling overhead and configuration update complexity increase
Solution Approach 1:
The UE prepares the indication message about its configuration status in advance during the registration process, allowing the network to proactively provide the appropriate network-specific configuration before service access issues arise
Solution Approach 2:
The configuration update process is extracted and separated into distinct phases: initial indication of default configuration usage, followed by selective provision of network-specific configuration only when needed, thereby minimizing unnecessary signaling
Data Source
AI summary
Methods and apparatus, including computer program products, are provided for managing user equipment configuration. In some example embodiment, there may be provided an apparatus including at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to at least: detect a network for registration; and send, to the network, an indication that the apparatus is using a default configuration for at least one service available at the network, when the apparatus is configured with the default configuration but does not include a network specific configuration for the network. Related systems, methods, and articles of manufacture are also described.