Vehicle Identification via Dynamic Status Parameters
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Solution Overview
Problem
Existing vehicle-to-vehicle communication systems face challenges in increasing user acceptance due to concerns over data manipulation and anonymity preservation during the transmission of safety-relevant information.
Innovation Solution
A system utilizing temporary identification information based on a vehicle's current status, combined with periodic updates and cryptographic key exchange, ensures unambiguous and secure data exchange via wireless communication, such as WLAN, while maintaining vehicle anonymity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If permanent vehicle identification is used, then unambiguous identification is achieved, but vehicle anonymity is lost and user acceptance decreases
Solution Approach 1:
The patent applies the dynamics principle by making vehicle identification information temporary and dynamically changing based on current vehicle status (position, mileage, direction) rather than using static permanent IDs. This allows unambiguous identification at any given moment while ensuring anonymity is preserved as IDs change over time and locations.
Solution Approach 2:
The patent changes the parameter of identification from permanent to temporary by using current vehicle status parameters (GPS position, mileage reading, direction of travel) to generate time-limited identification information. This transformation resolves the contradiction by making identification accurate for the current moment while preventing long-term tracking that would compromise anonymity.
2Object-affected harmful factors
If temporary identification based on current status is used, then vehicle anonymity is preserved, but identification stability decreases
Solution Approach 1:
The patent applies periodic action by regularly updating temporary identification information based on current vehicle status at specific intervals or when status changes occur. This periodic regeneration of identification maintains anonymity while ensuring stability within each identification period, as the same status-based ID remains consistent until updated.
3Reliability
If cryptographic key exchange is implemented, then data security is improved, but system complexity increases
Solution Approach 1:
The patent applies preliminary action by performing cryptographic key exchange between vehicles before actual data transmission occurs. This preliminary security setup establishes encrypted communication channels in advance, ensuring data security while allowing the actual data exchange to proceed through standardized protocols, thus managing complexity through pre-established security frameworks.
Data Source
AI summary
A system and method are provided for direct data exchange between two or more vehicles for transmission of data relating to events having a negative effect on driving safety, via wireless communication such as WLAN in particular. Unambiguous identification information is assigned to each vehicle. To increase acceptance of such a system, the identification information of the respective vehicle is temporary and is formed on the basis of the current status of the vehicle.