In-Vehicle Wireless Communication System Authentication
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Solution Overview
Problem
Current wireless communication systems for vehicles lack convenience in service provision, particularly in managing communication states and service plans based on vehicle operation and usage history.
Innovation Solution
A wireless communication system that includes a database and two communication processing elements to manage mobile terminal and vehicle information, enabling seamless switching of communication services using an in-vehicle device as a base station, and providing users with suitable service plans and real-time capacity updates through intuitive screen interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless communication is disconnected according to a timer when the subscriber is not authenticated within a predetermined time, then communication security is improved, but user convenience deteriorates due to frequent disconnections and reconnections
Solution Approach 1:
The system performs preliminary authentication checks and establishes communication permissions before actual data transmission begins. The authentication server pre-approves or rejects connection requests, and the wireless router pre-configures permission settings based on authentication results, avoiding repeated authentication interruptions during normal usage
Solution Approach 2:
An authentication server is introduced as an intermediary between the mobile terminal and the wireless router. This server handles authentication requests, stores user credentials, and provides authorization decisions, allowing the wireless router to enforce security policies without repeatedly interrupting users for authentication
2Productivity
If the wireless router disconnects communication when authentication is not completed within a predetermined time, then system resource management is improved, but service continuity deteriorates
Solution Approach 1:
The system establishes authentication deadlines and permission settings in advance. The authentication server sets time limits for authentication completion and pre-configures the wireless router with disconnection policies, allowing the system to manage resources efficiently without abrupt interruptions to legitimate users
Solution Approach 2:
The system implements feedback mechanisms where the authentication server communicates authentication status and timing information to the wireless router. This allows the router to make informed decisions about connection maintenance or disconnection based on real-time authentication progress, balancing resource management with service continuity
3Loss of information
If multiple screens are switched based on communication states, then information provision is improved, but interface complexity increases
Solution Approach 1:
The system displays different information content on different screens based on communication state. The first screen shows authentication-related information when authentication is pending, while the second screen shows communication service information when authenticated, providing context-appropriate information without overwhelming the user with all possible data simultaneously
Solution Approach 2:
The interface dynamically switches between different screens based on communication state changes. The system automatically transitions from the first screen to the second screen when authentication is completed, and can switch back when communication is interrupted, providing up-to-date information without requiring manual user intervention
Data Source
AI summary
In response to a vehicle being switched from an IGN OFF state (non-operating state) to an IGN ON state (operating state) in a state in which a mobile terminal has been activated, the use of wireless communication (Wi-Fi communication) by the mobile terminal via a network using an in-vehicle device as a base station can be started. In response to the vehicle being switched from the IGN ON state (operating state) to the IGN OFF state (non-operating state) in the state in which the mobile terminal has been activated, the use of wireless communication (Wi-Fi communication) by the mobile terminal via the network using the in-vehicle device as the base station is stopped.