Mobile Device Access Key Transfer for Vehicle Entry
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing phone-as-a-key (PaaK) systems for vehicle access are limited as users cannot access their vehicles if the registered mobile device is not accessible, such as in cases of loss, theft, or replacement.
Innovation Solution
A method where a new mobile device can request and obtain a transferable access key from a registered mobile device after successful authorization, allowing it to control various vehicle operations like starting, stopping, parking, and adjusting vehicle settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional key fob is used for vehicle access, then the user can reliably access the vehicle, but the system lacks the ability to provide digital access key transfer to new mobile devices
Solution Approach 1:
The patent implements digital access key copying by allowing a first mobile device to obtain a copy of the access key from a second mobile device through authorized communication. The access key is transferred digitally from the original device to the new device, enabling the new device to function as a replacement without requiring physical key fob intervention.
Solution Approach 2:
The vehicle's onboard system acts as an intermediary that facilitates the access key transfer process. The system receives requests from the first mobile device, verifies authorization, and coordinates the key transfer between devices, eliminating the need for direct device-to-device communication and enhancing security.
2Ease of operation
If the access key is stored only on the registered mobile device, then security is maintained, but the user cannot access the vehicle when the registered device is lost or replaced
Solution Approach 1:
The system performs preliminary authorization verification before transferring the access key. The first mobile device must be authenticated and authorized by the vehicle's onboard system before receiving the key, ensuring that only legitimate replacements can obtain access. This preliminary action maintains security while enabling recovery from device loss.
Solution Approach 2:
The system changes the state of the access key from being exclusively bound to one device to being transferable to multiple authorized devices. By modifying the key's accessibility parameters through authorized transfer, the system maintains security controls while improving ease of operation when devices are lost or replaced.
3Loss of time
If direct access key transfer from second mobile device to first mobile device is implemented, then transfer speed is improved, but security risks increase without centralized authorization
Solution Approach 1:
The vehicle's onboard system serves as a mandatory intermediary in the key transfer process. Instead of direct peer-to-peer transfer, the first mobile device communicates with the onboard system, which verifies authorization and coordinates the transfer. This intermediary approach maintains security while enabling efficient key transfer through automated verification processes.
Data Source
AI summary
The present disclosure relates to aspects of authenticating a mobile device and providing a vehicle access key thereto when a previously registered mobile device is not accessible. In one aspect of the present disclosure, a method includes requesting at a first mobile device, access to a profile associated with controlling operations of a vehicle, the profile having stored thereon an access key for operating the vehicle, the access key having been previously installed on a second mobile device. The method further includes upon successful authorization, receiving the access key at the first device and operating the vehicle using the access key on the first mobile device.