Dual-standby Mobile Terminal Automatic Mode Selection
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Solution Overview
Problem
Conventional dual-mode mobile terminals require complex and time-consuming manual mode conversion between CDMA and GSM systems, lacking an efficient mechanism for mode conversion during system access processes.
Innovation Solution
A dual-standby mobile communication terminal and system access method that allows users to set a preference system, enabling automatic mode selection based on preset preferences or environmental conditions, including normal, GSM, CDMA, and simultaneous access modes, to enhance user convenience and streamline system access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual mode conversion is performed through menu manipulation in idle mode, then the terminal can switch between CDMA and GSM systems, but the manipulation becomes complicated and much time is required for mode conversion
Solution Approach 1:
The terminal performs preliminary actions by automatically converting between system modes (CDMA/GSM) based on service conditions without requiring user intervention. The mode conversion is prepared and executed automatically when the terminal receives a call or message, eliminating the need for manual menu manipulation and significantly reducing conversion time.
2Ease of operation
If the terminal automatically converts mode when receiving a call, then user convenience is improved, but no efficient mechanism exists for system access processes such as sending calls
Solution Approach 1:
The terminal implements a dynamic mode conversion mechanism that adapts to different operational contexts. When receiving calls or messages, the terminal automatically converts modes based on preset preferences. When initiating system access processes, the terminal dynamically selects the appropriate mode based on current service conditions and user preferences, providing both automatic conversion convenience and efficient system access.
3Adaptability or versatility
If dual-standby mode is implemented to support both GSM and CDMA simultaneously, then communication coverage is improved, but the terminal lacks an efficient mechanism for mode conversion and system selection
Solution Approach 1:
The terminal implements a self-service mode conversion mechanism that automatically manages system selection between GSM and CDMA based on preset user preferences and current service conditions. The terminal independently determines which mode to use for incoming calls, outgoing calls, and messages without requiring user intervention, thereby maintaining multi-system support while simplifying the effective complexity of mode management.
Data Source
AI summary
Disclosed is a mobile communication terminal and system access method for supporting a dual-standby mode, that can access at least two radio communication systems for receiving a system access request signal and attempting, when the system access request signal is received, to access a system of a preset system preference mode.