Multi-SIM User Terminal Dynamic Network Switching for Signal Reliability
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Solution Overview
Problem
Existing user terminals experience performance issues when accessing mobile communication networks due to varying signal quality, leading to inferior service in areas with limited coverage, while other networks like WiFi provide better performance but with different service implementations.
Innovation Solution
A multi-card multi-mode user terminal method and device that dynamically switches between mobile communication and other networks (like LTE and WiFi) to provide services, detecting network capabilities and performance to ensure better service delivery without increasing costs, by allowing one subscriber card to use the network of another if it supports simultaneous service and offers better performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If user terminal accesses mobile communication network, then service performance is generally superior, but service performance deteriorates in areas with narrow mobile communication coverage
Solution Approach 1:
The user terminal is configured to support multiple network access modes (mobile communication network and other networks) and can dynamically switch between them. The network selection module enables the terminal to access different networks based on service requirements and signal conditions, making the terminal universally adaptable to various network environments including areas with narrow mobile communication coverage.
Solution Approach 2:
The network selection mechanism dynamically adjusts network access based on real-time signal conditions and service requirements. When mobile communication signal is strong, the terminal accesses via mobile network for superior performance; when signal is weak or unavailable, it switches to other networks, providing continuous service adaptability across different coverage scenarios.
2Reliability
If user terminal switches between different networks, then service performance is improved in varying signal conditions, but network selection complexity increases
Solution Approach 1:
The network selection module continuously monitors network signal conditions and service performance, using this feedback to dynamically select the optimal network. The system evaluates signal strength, network availability, and service requirements in real-time, automatically switching networks to maintain superior service performance without requiring complex manual configuration.
Solution Approach 2:
The network selection mechanism operates autonomously based on pre-configured service requirements and real-time network conditions. The terminal automatically determines which network to access based on service type (e.g., voice, data) and current signal quality, eliminating the need for user intervention or complex external control systems.
Data Source
AI summary
User terminal, and method and device for providing mobile communication service are provided. The method includes: a first subscriber card providing service through a first network, and a second subscriber card providing service through a second network; detecting that the first network currently supports providing a first type of service for a plurality of subscriber cards at the same time; notifying other subscriber card except the first subscriber card to allow the other subscriber card to provide the first type of service through the first network; detecting that the second subscriber card needs to provide the first type of service; and if performance of the second subscriber card providing the first type of service through the first network is better than performance of providing the first type of service through the second network, controlling the second subscriber card to provide the first type of service through the first network.