Vehicle-to-X Certificate-Based Message Prioritization for Urgent Data
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Solution Overview
Problem
Current CVIS systems do not prioritize data sources, leading to inefficiencies where lower-priority data occupies resources needed for higher-priority data, causing delays in processing urgent and important data.
Innovation Solution
A method for processing CVIS messages based on categorical attributes of vehicles, where a first OBU determines the message type and categorical attribute, and a second OBU assigns processing priorities using a preset mapping, allowing higher-priority messages to preempt resources or be processed after lower-priority ones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If CVIS data is processed sequentially according to reception order, then processing simplicity is maintained, but processing delay increases for urgent data
Solution Approach 1:
The system performs preliminary action by attaching priority information to data packets before processing. The receiving end uses this pre-attached priority information to determine processing order without complex analysis, resolving the contradiction between simple processing and timely processing of urgent data.
Solution Approach 2:
The system changes the parameter of data packet structure by adding priority fields. This allows the processing system to switch from sequential processing to priority-based processing, eliminating delays for urgent data while maintaining operational simplicity through standardized priority levels.
2Adaptability or versatility
If all CVIS data is processed equally, then processing fairness is maintained, but resource efficiency decreases
Solution Approach 1:
The system applies local quality by assigning different processing priorities to different data types based on their importance. Critical data receives higher priority treatment while less important data follows standard processing, improving resource efficiency without compromising fairness for all data types.
Solution Approach 2:
The system uses partial action by applying priority-based processing only to data that requires it, rather than treating all data uniformly. This selective approach optimizes resource allocation to critical tasks while maintaining efficient processing for standard data, improving overall productivity.
3Device complexity
If no priority mechanism is used, then system complexity is minimized, but data processing efficiency deteriorates
Solution Approach 1:
The system segments the data processing task by introducing discrete priority levels (high, normal, low). This segmentation simplifies the decision-making process for resource allocation while significantly improving processing efficiency for critical data, avoiding the complexity of continuous priority adjustment.
Solution Approach 2:
The system uses an intermediary mechanism in the form of standardized priority fields within data packets. This intermediary structure enables efficient priority-based processing without requiring complex decision algorithms, maintaining system simplicity while improving productivity through clear, pre-defined processing rules.
Data Source
AI summary
A Vehicle-to-X-based data processing method, a Vehicle-to-X-based certificate application method, a vehicle-mounted terminal, a computer device, and a readable medium are disclosed. The method may include determine a message type of a first CVIS message in response to a reception of both the first CVIS message and a certificate broadcast by a first OBU, and acquiring a categorical attribute from the certificate; where the categorical attribute is the categorical attribute of a vehicle to which the first OBU belongs; determining a first processing priority of the first CVIS message corresponding to the categorical attribute according to a preset mapping relationship between the categorical attributes and the processing priority; and processing the first CVIS message and the second CVIS message, according to the message type, the first processing priority, and the second processing priority of the second CVIS message that is currently being processed.