Automatic Global-Local Profile Switching for Roaming Communication
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Solution Overview
Problem
Existing methods for wireless communication during roaming, such as using global MVNOs or local profiles, incur high costs and limitations, especially during overseas travel, as they may not support global roaming in all locations or require expensive profile installations.
Innovation Solution
A method for activating a global profile on a mobile terminal to enable low-cost wireless communication by installing local profiles using a global profile when roaming, allowing the terminal to switch between global and local profiles based on signal strength and availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a local profile is installed for roaming communication, then communication cost is reduced, but device complexity increases due to multiple profile management
Solution Approach 1:
The patent implements dynamic profile switching based on roaming detection. The terminal automatically detects roaming states and switches between global and local profiles accordingly, making the profile selection adaptive rather than static. This resolves the contradiction by automating the complexity of profile management while enabling cost-effective local profile usage during roaming.
Solution Approach 2:
The terminal autonomously manages profile selection without requiring manual user intervention. The device self-detects roaming conditions and self-switches between global and local profiles, eliminating the need for complex user-side profile management while achieving cost reduction through automatic local profile deployment.
2Object-affected harmful factors
If a global profile is activated to enable low-cost communication, then communication cost is reduced, but reliability decreases due to potential lack of local network optimization
Solution Approach 1:
The system dynamically switches between global and local profiles based on detected roaming states. When roaming is detected, the terminal activates the local profile for optimized local network performance; when not roaming, it uses the global profile for cost-effective communication. This dynamic adaptation resolves the reliability concern by ensuring local network optimization when needed.
Solution Approach 2:
The roaming detection mechanism acts as an intermediary that determines which profile to activate. It mediates between the global profile (cost-effective) and local profile (reliable), selecting the appropriate profile based on current network conditions, thus ensuring both cost efficiency and communication reliability.
3Adaptability or versatility
If multiple profiles are managed for different regions, then adaptability improves, but ease of operation deteriorates due to manual profile switching requirements
Solution Approach 1:
The terminal automatically detects roaming states and self-manages profile switching without user intervention. The device monitors network conditions, identifies roaming states, and autonomously switches between global and local profiles, eliminating manual operation complexity while maintaining high roaming adaptability.
Solution Approach 2:
The system implements feedback through roaming state detection. The terminal continuously monitors network conditions, receives feedback about current location status, and automatically adjusts profile selection based on this feedback. This closed-loop control enables seamless adaptability without requiring user awareness or manual profile switching.
Data Source
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AI summary
Provided are a method and device for performing communication in a wireless communication system. According to an embodiment of the present disclosure, a method for performing communication in a wireless communication system may include: installing at least one global profile (GP); activating a first GP if a location is supported by the first GP among the at least one installed GP; installing a local profile (LP) for supporting communication at the location by using the first GP; and performing wireless communication by using the first GP or the LP based on whether the LP installation is successful.