V2X Communication Module Using Road IDs for Bridge-Aware Collision Prediction
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Solution Overview
Problem
Existing vehicle-to-X communication systems struggle to differentiate between intersecting roads with a common crossover and those with a bridge, leading to false collision warnings due to the prohibition of altitude information transmission in certain regions.
Innovation Solution
Incorporating road identification values into vehicle-to-X-messages to determine if vehicles are on intersecting or bridged roads, allowing collision prediction without altitude data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If altitude information is transmitted in vehicle-to-X-messages, then collision prediction accuracy is improved, but communication compliance deteriorates in regions where altitude data transmission is prohibited
Solution Approach 1:
The patent extracts the essential information (road identification value) from the complete altitude data, transmitting only the necessary subset that enables collision prediction without violating regional restrictions on altitude information transmission
Solution Approach 2:
The patent introduces road identification values as an intermediary element that indirectly conveys vertical position information without directly transmitting altitude data, thus mediating between the need for accurate collision prediction and compliance with transmission restrictions
2Reliability
If road identification values are included in vehicle-to-X-messages, then false collision warnings are reduced, but message data volume increases
Solution Approach 1:
The patent applies partial action by including road identification values only in specific message types or under certain conditions, rather than in all vehicle-to-X-messages, thus reducing the overall data volume impact while still improving warning accuracy where needed
Data Source
AI summary
A of performing vehicle-to-everything (V2X) communication based on identification value of a road on which a vehicle is driving. The identification value of the road may be utilized to determine whether the road intersects with another road. If the road intersects with another road, then a possible collision between vehicles located at a same geographic position may occur. If the road does not intersect with another road, but passes over or under the road, then no possible collision exists between vehicles located at a same geographic position.