AV Beacon Authentication for Authorized Street Direction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Autonomous vehicles (AVs) face challenges in determining whether a person directing their movements is authorized, leading to potential misinterpretation of instructions from both authorized and unauthorized individuals, including malicious actors impersonating authorized personnel.
Innovation Solution
AVs employ a beacon system where authorized personnel wear or carry detectable symbols like barcodes or QR codes, or use electronic devices emitting beacon signals, which are verified through a database-based authentication system to ensure only authorized individuals can control the vehicle's behavior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If AVs rely on context clues to determine authorized personnel, then the system can operate with simpler detection mechanisms, but the measurement precision of identifying authorized personnel deteriorates
Solution Approach 1:
The patent introduces beacons as intermediary devices that authorized personnel wear or carry. These beacons serve as a mediator between the AV and the authorized personnel, providing a reliable and unambiguous signal of authorization. The beacon contains encoded information that the AV can detect and verify, resolving the contradiction by providing a simple detection mechanism (beacon detection) that ensures high measurement precision (accurate identification of authorized personnel).
Solution Approach 2:
The patent uses visual identifiers such as uniforms, badges, or signs that copy or represent the authorization status of personnel. Instead of directly analyzing complex contextual clues about a person's identity and authority, the system uses simplified visual copies (badges, uniforms with specific colors or symbols) that convey authorization information. This allows the AV to use simple image recognition to achieve accurate identification.
2Ease of operation
If AVs accept instructions from any person directing traffic, then the ease of operation improves, but the reliability of the system deteriorates due to unauthorized interference
Solution Approach 1:
The beacon acts as an intermediary that verifies authorization before the AV responds to instructions. Instead of directly accepting instructions from any person (which would be easy but unreliable), the system requires the presence of a beacon as intermediate verification. This maintains ease of operation (the AV still responds to directions) while ensuring reliability (only instructions from beacon-equipped personnel are accepted).
Solution Approach 2:
The system performs preliminary verification by detecting and validating the beacon before accepting any instructions. The beacon detection and verification process occurs in advance of instruction execution, ensuring that only authorized personnel can direct the AV. This preliminary action maintains reliability while preserving ease of operation during actual traffic direction.
3Reliability
If AVs implement beacon-based verification, then the reliability of identifying authorized personnel improves, but the device complexity increases due to additional sensors and authentication systems
Solution Approach 1:
The patent employs existing multi-functional sensors on the AV (such as cameras and image recognition systems) to detect and verify beacons. Instead of adding dedicated specialized sensors, the system uses the AV's existing visual detection capabilities to perform beacon verification. This approach improves reliability through beacon-based verification while minimizing the increase in device complexity by leveraging existing multi-functional components.
4Ease of operation
If AVs use visual identifiers like uniforms and badges to identify authorized personnel, then the ease of operation improves, but the measurement precision deteriorates due to impersonation by malicious actors
Solution Approach 1:
The beacon serves as an intermediary that verifies the authenticity of visual identifiers. Instead of relying solely on visual recognition of uniforms and badges (which is easy but vulnerable to impersonation), the system uses the beacon as an intermediate verification layer. The beacon contains encoded authorization information that cannot be easily replicated, thus maintaining ease of visual recognition while improving measurement precision through cryptographic verification.
Solution Approach 2:
The system performs preliminary verification by checking the beacon's encoded information before accepting visual identifiers as valid. The beacon verification occurs in advance, ensuring that even if someone impersonates authorized personnel using fake uniforms or badges, the AV will detect the missing or invalid beacon and reject the authorization. This preliminary action maintains ease of operation while improving measurement precision.
Data Source
AI summary
An autonomous vehicle (AV) uses an authentication system to verify that a person on the street attempting to control behavior of the AV is authorized to do so. An authorized person (e.g., a construction worker or a police officer) has an associated beacon that provides a beacon signal, such as a visual symbol or wireless signal. The AV perceives the beacon signal and transmits it to the authentication system. The authentication system looks up the beacon signal in a database and retrieves conditions associated with the beacon signal. If the authentication system and/or AV confirms that the beacon signal is in the database, and the conditions under which the person associated with the beacon signal is authorized to control the AV are met, the AV follows instructions from the person.