eSIM Terminal Remote SIM Profile Management via Digital Certificate
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Solution Overview
Problem
The existing SIM card system is inconvenient for users as they need to physically acquire a new SIM card to access services from different mobile communication providers, especially when traveling, and the roaming service is costly and requires a separate contract.
Innovation Solution
A method and apparatus that allow a terminal to remotely download and install a SIM module, enabling the user to select and use different SIM modules without physical replacement, and allowing the SIM module to be fixed or removable from the terminal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a physical SIM card system is used, then authentication security is maintained, but user convenience deteriorates due to the need for physical SIM card acquisition when switching providers
Solution Approach 1:
The patent applies the copying principle by creating a virtual replica of the physical SIM card functionality. Instead of requiring physical SIM cards, the system uses a virtual SIM module that can be remotely downloaded and installed on the terminal. This virtual SIM module contains the necessary authentication information and can be easily switched between different mobile communication providers without physical card replacement, thereby improving user convenience while maintaining security through digital authentication mechanisms.
Solution Approach 2:
The patent replaces the mechanical physical SIM card insertion and removal system with a digital remote provisioning system. The terminal communicates with a server to remotely download and install SIM module information, eliminating the need for physical card handling. This substitution of mechanical operations with digital communication and remote installation processes significantly improves ease of operation for users switching between providers.
2Adaptability or versatility
If roaming services are used to access different network providers, then service accessibility is improved, but cost increases due to separate contracts and higher fees
Solution Approach 1:
The patent implements universality by creating a single terminal that can universally access multiple mobile communication network providers through remote SIM module management. Instead of requiring separate contracts and paid roaming services for each provider, the terminal can remotely install and switch between different SIM modules from various providers, including free virtual SIMs. This multi-functional capability allows unlimited provider access without incurring additional roaming costs.
Solution Approach 2:
The system enables self-service by allowing users to independently manage their own SIM module selection and installation. The terminal can autonomously communicate with the server, select desired SIM modules, and install them without requiring administrative intervention or payment for roaming services. Users can freely switch between providers based on their needs, eliminating the need for costly roaming contracts while maintaining full service accessibility.
3Ease of operation
If remote SIM module download and installation is implemented, then ease of operation is improved by eliminating physical SIM acquisition, but device complexity increases due to additional management systems
Solution Approach 1:
The patent introduces an intermediary server system that mediates between the terminal and the various SIM module providers. This server handles the complex tasks of SIM module distribution, authentication, and installation coordination, thereby simplifying the terminal's design. The terminal only needs basic communication capabilities to interact with the server, while the server manages the complexity of remote SIM provisioning, thus improving ease of operation without significantly increasing terminal complexity.
Data Source
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AI summary
The present disclosure relates to a communication technique for convergence of loT technology and a 5G communication system for supporting a higher data transfer rate beyond a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. Disclosed are a method and an apparatus for securely providing a profile to a terminal in a communication system.