Vehicle User Authentication via UWB Position and Movement Sensing
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Solution Overview
Problem
Existing systems for authenticating users in transportation vehicles are unreliable due to their inability to verify the source of radio signals, particularly for older mobile terminal devices lacking UWB or Bluetooth 5.1 capabilities, which are not capable of setting up necessary radio communication or providing location information.
Innovation Solution
A method utilizing dual transceivers with UWB and Bluetooth capabilities to detect user position and movement through channel impulse response measurements, allowing authentication without requiring communication from the user's device, and optionally using NFC for authentication data transmission, enabling the authentication of a broader range of users, including those with outdated devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If radio signal-based authentication is used, then authentication speed is improved, but reliability deteriorates due to inability to verify signal source
Solution Approach 1:
The patent introduces position data and movement data as intermediary verification elements. Instead of directly authenticating based on radio signals alone, the system uses location information and movement patterns as mediators to verify the authenticity of the signal source, thereby maintaining fast authentication while improving reliability
Solution Approach 2:
The system implements feedback mechanisms by continuously monitoring position data and movement data of the user's device. This feedback loop allows the authentication system to verify signal sources in real-time, ensuring reliability while maintaining the speed of radio-based authentication
2Measurement precision
If UWB and Bluetooth 5.1 technologies are required for authentication, then measurement precision is improved, but adaptability deteriorates due to incompatibility with older devices
Solution Approach 1:
The patent makes the authentication system universal by supporting multiple communication protocols. The system can authenticate users with advanced devices using UWB/Bluetooth 5.1 for high precision, while simultaneously supporting older devices through alternative methods like NFC or RFID, thus achieving both precision and broad adaptability
Solution Approach 2:
The system dynamically changes authentication parameters based on device capabilities. For devices with UWB/Bluetooth 5.1, it uses those protocols for precise location measurement. For older devices, it switches to different protocols with adjusted measurement parameters, maintaining adaptability while preserving measurement precision where possible
3Ease of operation
If passive access authentication is implemented, then ease of operation is improved, but reliability deteriorates due to vulnerability to criminal energy acquisition
Solution Approach 1:
The system performs preliminary verification of position data and movement data before granting authentication. By checking these parameters in advance, the system maintains the convenience of passive access while preventing unauthorized access through criminal energy acquisition, as suspicious patterns would be detected beforehand
Solution Approach 2:
The patent implements preliminary anti-action by proactively monitoring for signs of criminal energy acquisition through position and movement analysis. The system takes preventive measures by detecting anomalous patterns before they can compromise authentication reliability, thus maintaining both ease of operation and security
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution provides reliable user authentication and authorization for a larger user group, including those with non-compliant devices, by determining user position and movement gradients without the need for device communication, ensuring secure and efficient access to transportation vehicles.
Implementation Method 1
a transceiver (22, 22') with an antenna (24, 24') configured to transmit and receive UWB and BLUETOOTH signals
Data Source
AI summary
A method for authenticating a user of a transportation vehicle, a system to perform the method and a transportation vehicle equipped with the system. A position and/or a movement gradient of an authorized user is/are determined based on received impulse responses of emitted UWB impulses and/or based on a result of channel impulse response (CIR) measurements using UWB signals, and the authorized user is authenticated based on this information.