V2X Notification Management for Vulnerable Roadside Users
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Solution Overview
Problem
Current vehicle-to-everything (V2X) communication systems struggle to effectively notify vulnerable roadside users (VRUs) of approaching vehicles, as traditional user interface components like displays and speakers may be ineffective in noisy or obstructed environments, leading to missed notifications and inefficient resource usage.
Innovation Solution
A VRU device configuration that determines a VRU notification profile based on vulnerability measures, identifying optimal output components such as wearable devices to ensure notifications are received, conserving resources and enhancing user experience by prioritizing relevant alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional user interface components (displays and speakers) are used to notify VRUs, then the notification system is simple to implement, but the notifications may be ineffective in noisy or obstructed environments
Solution Approach 1:
The notification system dynamically selects output components based on real-time vulnerability measures and environmental conditions. The VRU device configuration and vulnerability measures are not fixed but adaptively determined, allowing the system to switch between different notification methods (display, speaker, wearable device) depending on the situation, thereby improving reliability without requiring all components to be always active.
Solution Approach 2:
The system changes the parameter of output component selection based on vulnerability measures. Instead of using a fixed notification method, the system adjusts which output component is used by evaluating vulnerability measures that incorporate environmental factors like noise levels and obstructions, thereby optimizing notification effectiveness for different conditions.
2Loss of energy
If notifications are provided to all VRUs regardless of vulnerability, then all users receive information, but computing, communication, and power resources are wasted on low-priority alerts
Solution Approach 1:
The system applies different notification strategies to different VRUs based on their individual vulnerability measures. Instead of uniform notification to all users, each VRU receives notifications tailored to their specific vulnerability level and device configuration, ensuring resources are allocated efficiently to those who need them most while maintaining appropriate coverage.
Solution Approach 2:
The system performs partial action by selectively notifying only those VRUs whose vulnerability measures indicate they would benefit from notification. Rather than providing excessive notifications to all users, the system identifies and notifies only the relevant subset, reducing resource consumption while maintaining adequate safety coverage.
3Reliability
If vulnerability measures and notification profiles are determined for each VRU, then notifications are optimized for individual users, but the processing complexity and computational resources increase
Solution Approach 1:
The system segments the notification process into distinct components: determining VRU device configuration, calculating vulnerability measures, selecting output components, and generating notification profiles. This segmentation allows each function to be handled independently and efficiently, reducing overall processing complexity while maintaining reliable individualized notifications.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a device may receive a vehicle to everything (V2X) communication associated with a vehicle in an environment; determine, based at least in part on a vulnerability measure of a vulnerable roadside user (VRU) in the environment, a VRU notification profile associated with whether an alert is to be provided to a VRU to indicate vehicle data of the vehicle; and perform an action according to the VRU notification profile. Numerous other aspects are provided.