Selective Vehicle Pairing for Blind-Spot Object Detection
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Solution Overview
Problem
Forward-obstacle-seeking systems in vehicles face challenges in detecting objects due to obstruction by nearby vehicles, leading to potential collisions from undetected braking vehicles.
Innovation Solution
An integrated circuit in a first vehicle dynamically pairs with a second vehicle to enhance situational awareness by exchanging measurement data, synchronizing clocks, and coordinating measurements to reduce blind spots and improve detection capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a vehicle uses forward-obstacle-seeking sensors to detect objects, then it can identify potential hazards in its path, but nearby vehicles can obstruct the sensor's field of view and create blind spots that prevent detection of other vehicles
Solution Approach 1:
The patent combines sensor data from multiple proximate vehicles to create a composite view of the environment. By merging measurements from different vehicles, the system overcomes individual blind spots and obstruction issues, achieving more complete situational awareness than any single vehicle could obtain alone.
Solution Approach 2:
The patent uses communication systems as intermediaries to transfer sensor data between vehicles. Instead of each vehicle independently sensing the environment, vehicles act as intermediaries that share their sensor observations, allowing a vehicle to infer the presence of objects beyond its direct field of view through data from other vehicles.
2Reliability
If a vehicle maintains sufficient spacing from vehicles ahead to prevent collisions, then it can avoid crashes from undetected braking vehicles, but this reduces traffic flow efficiency and increases travel time
Solution Approach 1:
The patent implements feedback mechanisms where vehicles continuously exchange information about detected objects and braking events. This real-time feedback allows vehicles to react more quickly to hazards, reducing the need for excessive spacing while maintaining collision avoidance reliability.
Solution Approach 2:
The patent enables preliminary detection of potential hazards by sharing sensor data from vehicles ahead. This preliminary action allows following vehicles to be aware of objects or braking events before they become immediate threats, enabling smoother and safer deceleration without requiring large safety margins.
3Measurement precision
If vehicles dynamically pair with proximate vehicles to share sensor data, then they can overcome blind spots and improve detection, but this increases communication overhead and system complexity
Solution Approach 1:
The patent implements dynamic pairing where vehicles selectively establish communication links based on their relative positions and detection needs. This dynamic approach allows the system to adapt to changing traffic conditions, forming pairs only when beneficial for overcoming blind spots, rather than maintaining fixed or universal communication connections.
Solution Approach 2:
The patent applies different communication and data-sharing strategies to different spatial regions and vehicle configurations. Instead of a uniform approach, the system tailors pairing decisions and data exchange protocols to local conditions, such as which vehicles are proximate, their relative orientations, and specific detection requirements, thereby reducing unnecessary communication overhead.
Data Source
AI summary
An integrated circuit for use in a first vehicle may include: an interface circuit that communicates with a second integrated circuit in a second vehicle; and a processing circuit. During operation, the processing circuit may determine that the second vehicle has better situational awareness for a portion of a road or an environment proximate to the road than the first vehicle, where the second vehicle is proximate to the first vehicle. Then, the processing circuit may dynamically establish, with the second integrated circuit, a communication pairing with the second vehicle. Moreover, the integrated circuit may exchange, via the pairing, information with the second integrated circuit. For example, the exchanged information may include or may specify: measurement data, one or more detected objects, one or more object identifiers, seed information for a detection technique (such as a priori information), and/or a priority or urgency of the exchanged information.