Vehicle Data Collection System Using Segmented Transmission Sessions
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Solution Overview
Problem
Probe cars face challenges in collecting information that identifies individuals related to vehicles without invading user privacy, as existing methods do not adequately separate identifiable and non-identifiable data.
Innovation Solution
A vehicle data collection system that uses a vehicle-mounted device to transmit first vehicle data, which includes identifiable information, and second vehicle data, which does not identify individuals, in separate sessions to a vehicle data collection device, employing a random ID for non-identifiable data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If probe car collects information that identifies individuals related to vehicles, then the ability to identify vehicle owners is improved, but user privacy is invaded
Solution Approach 1:
The patent segments vehicle data into two distinct categories: identifiable data (first vehicle data) and non-identifiable data (second vehicle data). This segmentation allows the system to collect both types of information while preventing the combination that would lead to privacy invasion. The identifiable data can be used for accurate vehicle owner identification, while the non-identifiable data provides additional vehicle information without revealing personal details.
Solution Approach 2:
The patent extracts and separates the identification function from the data collection process. By using a dedicated identification unit that operates independently from the general data collection system, the patent enables precise identification of vehicle owners when necessary while maintaining privacy protection for routine data collection activities. This extraction allows the system to fulfill identification requirements without continuously invading privacy.
2Productivity
If probe car collects both identifiable and non-identifiable data in the same session, then data collection efficiency is improved, but privacy protection is compromised
Solution Approach 1:
The patent divides data collection into separate sessions: one session for collecting identifiable data and another session for collecting non-identifiable data. This temporal and functional segmentation ensures that even though both types of data are collected, they are processed and stored separately, preventing unauthorized combination that would compromise privacy while maintaining overall collection efficiency.
Solution Approach 2:
The patent introduces an identification unit as an intermediary component that mediates between data collection and identification processes. This intermediary ensures that identifiable data is handled through a controlled, authorized process while non-identifiable data is collected for general analysis, thus protecting privacy while maintaining data collection productivity.
3Device complexity
If probe car uses single data transmission method, then system complexity is reduced, but ability to protect privacy while collecting identifiable information is compromised
Solution Approach 1:
The patent segments the data transmission system into multiple transmission units: one for identifiable data and another for non-identifiable data. This segmentation creates distinct transmission pathways that prevent mixing of data types, ensuring privacy protection reliability while maintaining manageable system complexity through modular design.
Solution Approach 2:
The patent employs an identification unit as an intermediary that controls and manages the transmission of identifiable data. This intermediary component adds a layer of security and control without significantly increasing overall system complexity, as it operates as a dedicated module with clear functions for managing identification-related data transmission.
Data Source
AI summary
A vehicle data collection system includes a vehicle-mounted device installed in a vehicle and configured to transmit data related to the vehicle, and a vehicle data collection device configured to collect the data related to the vehicle, wherein the vehicle-mounted device includes a vehicle data transmission unit configured to transmit first vehicle data, which includes information in which an individual related to the vehicle is to be identified, and second vehicle data, which includes information in which the individual related to the vehicle is not to be identified, to the vehicle data collection device in different sessions, the first vehicle data and the second vehicle data are data related to the vehicle.