Dual-Zone Vehicle Authentication for Shared Mobile Access
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Solution Overview
Problem
Existing authentication systems for mobile devices lack convenience when shared among multiple devices, as they often restrict the use of controlled devices based on single mobile device authentication, limiting flexibility and efficiency.
Innovation Solution
An authentication system utilizing two communication devices forming separate wireless communication areas inside and outside a vehicle, allowing operation control of locking/unlocking and ignition systems based on dual authentication processes, while enabling communication with a second mobile device post-authentication, thereby allowing shared use without restrictions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication system restricts controlled device usage to single mobile device authentication, then security is improved, but convenience and flexibility deteriorate
Solution Approach 1:
The authentication system is segmented into multiple independent authentication channels: first authentication processing for outside-vehicle area and second authentication processing for inside-vehicle area. Each channel can independently authenticate different mobile devices, allowing multiple users to access controlled devices without compromising security. The control device maintains separate authentication states for different devices while managing them through a unified control interface.
Solution Approach 2:
The control device is designed with multi-functionality to handle diverse authentication scenarios. It can perform operation control for first mobile devices authenticated through first authentication processing, simultaneously perform operation control for second mobile devices authenticated through second authentication processing, and communicate with third mobile devices. This universal design allows the same control device to serve multiple authenticated users without requiring separate hardware for each user.
2Ease of operation
If authentication system allows multiple mobile devices to access controlled devices, then convenience is improved, but system complexity increases
Solution Approach 1:
The authentication system divides authentication processing into distinct segments: first authentication processing handled by first communication device for outside-vehicle area, and second authentication processing handled by second communication device for inside-vehicle area. This segmentation allows each authentication channel to operate independently with dedicated processing logic, reducing the complexity burden on any single component while enabling multi-device support.
Solution Approach 2:
The control device acts as an intermediary that mediates between multiple authenticated mobile devices and the controlled devices. It receives authentication results from both first and second authentication processing, manages the authentication states of multiple devices, and coordinates operation control accordingly. This intermediary role centralizes the complexity management, allowing the system to support multiple devices without proportionally increasing overall system complexity.
3Reliability
If authentication system performs operation control for first device based on first authentication, then security is improved, but flexibility to allow second device access deteriorates
Solution Approach 1:
The authentication system implements dynamic access control where the control device can adapt its behavior based on authentication state. When first mobile device is authenticated through first authentication processing, the control device performs operation control for first device. When second mobile device is authenticated through second authentication processing, the control device simultaneously performs operation control for second device. This dynamic adaptability allows the system to maintain security for each authenticated user while flexibly accommodating multiple concurrent access scenarios.
Solution Approach 2:
The system changes operational parameters based on authentication type: for first authentication processing, it enables operation control suitable for outside-vehicle access; for second authentication processing, it enables operation control suitable for inside-vehicle access. These parameter changes allow the same control device to provide differentiated access control for different authenticated devices, maintaining security requirements for each context while enabling versatile access patterns.
Data Source
AI summary
A first communication device forms a first wireless communication area at least outside a prescribed area. A second communication device forms a second wireless communication area at least inside the prescribed area. A control device performs an operation control of a first device to be controlled, based on first authentication processing for authenticating a first mobile device located in the first wireless communication area. The control device performs an operation control of a second device to be controlled that is different from the first device to be controlled, based on second authentication processing for authenticating the first mobile device located in the second wireless communication area. The control device performs an operation control of the first communication device to perform communication with a second mobile device that is different from the first mobile device after the operation control of the first device to be controlled is performed.