V2X Sensor Sharing via Request-Response Mechanism
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Solution Overview
Problem
Self-driving cars and other vehicles face challenges in detecting objects due to blocked line-of-sight or adverse weather conditions, and existing technologies do not efficiently share sensor information among nearby vehicles to overcome these limitations.
Innovation Solution
A request-response mechanism for wireless communication that allows vehicles to share sensor information using vehicle-to-anything (V2X) communication, enabling vehicles to request and receive sensor data from nearby sensors, even if they are out of line-of-sight, thereby reducing redundant data transmission and improving detection capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If vehicles rely solely on their own line-of-sight sensors, then device complexity is reduced, but detection capability and situational awareness deteriorate due to blocked line-of-sight or adverse weather conditions
Solution Approach 1:
The patent combines sensor data from multiple vehicles to create a composite view of the environment. Vehicles share sensor information through wireless communication, merging their individual detection capabilities into a collective system that overcomes individual line-of-sight limitations and adverse weather conditions.
Solution Approach 2:
The sensor sharing system enables vehicles to perform multiple functions: their own sensors detect objects in their vicinity, while shared sensors from other vehicles provide additional detection coverage. This multi-functionality allows a single vehicle to achieve enhanced detection capability without adding physical sensors.
2Reliability
If vehicles share sensor information from all nearby sensors, then detection capability improves, but data transmission redundancy increases
Solution Approach 1:
The system extracts only the essential and non-redundant sensor information for sharing. Vehicles identify and transmit only the unique detection data that complements their own sensor coverage, eliminating duplicate information about objects already detected by multiple vehicles.
Solution Approach 2:
Instead of sharing complete sensor data sets from all vehicles, the system implements partial sharing by transmitting only specific object information that is relevant and not already known to the receiving vehicle. This selective approach reduces transmission overhead while maintaining detection effectiveness.
Data Source
AI summary
Various aspects of the disclosure relate to a request-response mechanism for sharing sensor information. For example, sensor devices (e.g., in vehicles, fixed structures, or a combination thereof) may selectively share information acquired by the sensor devices. The disclosure relates in some aspects to avoiding redundant transmissions of sensor information. For example, a sensor device of a set of sensor devices may determine which sensor device should transmit information and/or the time(s) at which that sensor device should transmit the information.