Serving PLMN UE Configuration for Network-Specific Roaming Access
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Solution Overview
Problem
Existing cellular systems face challenges in efficiently configuring user equipment (UE) with network-specific settings when roaming, as current methods are resource-intensive or require complex management by the home network to maintain up-to-date configurations for multiple serving networks.
Innovation Solution
The serving network detects the use of a default configuration by the UE and provides network-specific configurations as needed, using explicit indications in registration messages to update the UE's settings, thereby optimizing resource usage and reducing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the home network manages UE configuration for all serving networks, then the UE can access services in multiple networks, but the home network complexity and resource requirements increase significantly
Solution Approach 1:
The configuration management function is segmented between the home network and serving network. The home network stores default configuration parameters, while the serving network provides network-specific configuration parameters. This segmentation allows the UE to access services across multiple networks without requiring the home network to manage all configuration details for every serving network.
Solution Approach 2:
The UE acts as an intermediary that receives configuration parameters from both the home network and serving network. The UE combines these parameters to form the complete configuration, eliminating the need for the home network to directly manage configurations for all serving networks.
2Productivity
If the serving network provides network-specific configuration to the UE, then the UE can optimize service access, but the network resource consumption increases
Solution Approach 1:
The serving network provides only the network-specific configuration parameters that are necessary for optimal service access, rather than providing complete configuration sets. This partial action approach allows the UE to optimize service access while minimizing network resource consumption.
Solution Approach 2:
The configuration parameter structure is designed to be universal, with default parameters from the home network that can be applied across multiple serving networks. This allows the UE to efficiently access services without requiring the serving network to provide complete configuration for each individual case.
3Device complexity
If the UE uses default configuration for all PLMNs, then configuration management is simplified, but the UE cannot access network-specific services optimally
Solution Approach 1:
The configuration approach uses default parameters with universal applicability combined with local network-specific parameters. The UE applies default configuration for general operations and overrides with network-specific parameters when accessing serving networks, achieving both simplified management and optimal service access.
Solution Approach 2:
The UE is pre-configured with default configuration parameters from the home network before accessing serving networks. This preliminary configuration enables basic service access immediately, while network-specific parameters can be applied subsequently for optimized access without adding complexity to the initial configuration management.
Data Source
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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: 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; and receive, from the network, the network specific configuration for the network. Related systems, methods, and articles of manufacture are also described.