Driver Nomadic Device Self-Identification in Vehicle Infotainment
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Solution Overview
Problem
Vehicle infotainment systems face difficulty in determining which nomadic device belongs to the driver when multiple users with paired devices enter a vehicle, leading to challenges in integrating the correct device for priority access and safety features.
Innovation Solution
The system requests self-identification from connected nomadic devices by providing a user interface to determine which device is the driver's device, allowing the vehicle-based computing system to integrate the appropriate device for priority access and safety features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the vehicle automatically pairs with any recognized nomadic device, then device connection is simplified, but the system cannot determine which device belongs to the driver
Solution Approach 1:
The system prompts users to self-identify their role (driver or passenger) through a displayed interface on their nomadic device. The vehicle controller sends a user-identification request to connected devices, and each device displays an interface where the user indicates whether it is the driver's device. This self-service approach resolves the contradiction by maintaining automatic pairing simplicity while enabling accurate driver identification through user-initiated role declaration.
2Measurement precision
If the system requests self-identification from all connected devices, then driver identification accuracy is improved, but the time required for device integration increases
Solution Approach 1:
The system performs user-identification requests and role declarations before finalizing device integration and assigning priority access rights. By completing the identification process in advance of full integration, the system ensures accurate driver identification while minimizing the time impact on subsequent operations. The controller determines which device is the driver's device based on received responses, then proceeds with integration accounting for driver status.
3Reliability
If the vehicle locks out input devices when in motion for safety, then safety is improved, but the driver loses access to their nomadic device functions
Solution Approach 1:
The system applies different access control policies based on the identified role of each nomadic device. The vehicle controller integrates connected devices while accounting for which device is the driver's device, enabling selective functionality assignment. The driver's device receives appropriate access rights necessary for safe operation, while passenger devices may have different restrictions. This localized quality approach ensures safety through role-based differentiation rather than blanket restrictions.
Data Source
AI summary
A controller may send a user-identification request to connected nomadic devices requesting each of the devices to provide an interface to receive user input regarding which device is a driver nomadic device; determine a driver nomadic device based on at least one user-identification response received from the devices responsive to the input; and integrate the connected devices with the controller accounting for which device is the driver nomadic device.