UAV Ground Station Integrating Opportunistic ADS-B for Situational Awareness
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Solution Overview
Problem
Unmanned aerial vehicle (UAV) operators lack situational awareness in areas without ADS-B coverage, making it difficult to detect and avoid other aerial traffic, leading to potential collisions and safety incidents.
Innovation Solution
Employing local, opportunistic Automatic Dependent Surveillance-Broadcast (ADS-B) information to augment position data at ground control stations, integrating ADS-B signals with UAV telemetry, and forwarding fused data to remote servers for enhanced situational awareness displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If local, opportunistic ADS-B information is integrated with UAV telemetry at ground control stations, then situational awareness is improved, but device complexity increases
Solution Approach 1:
The patent employs an ADS-B receiver as an intermediary device that captures broadcast position information from other aircraft and forwards it to the ground control station. This intermediary component enables the integration of external traffic data without requiring complex direct communication systems between UAVs and other aircraft, thereby improving situational awareness while managing system complexity through modular architecture
Solution Approach 2:
The system merges multiple data sources including ADS-B position information from other aircraft and telemetry data from the UAV itself into a unified situational awareness display at the ground control station. This combination of data streams provides comprehensive traffic information without requiring separate independent systems, resolving the contradiction by integrating functions rather than adding separate complex subsystems
2Difficulty of detecting and measuring
If ADS-B receivers are deployed on ground control stations and UAVs, then traffic detection capability is improved, but device complexity increases
Solution Approach 1:
The ADS-B receiver leverages the self-service nature of ADS-B technology where aircraft automatically broadcast their own position information without requiring active interrogation or complex detection systems. By passively receiving these broadcasts, the system improves traffic detection capability while minimizing the complexity of the receiving equipment, as no active transmission or complex signal processing is required
Solution Approach 2:
The patent replaces active radar or radio direction finding systems with passive ADS-B reception, substituting complex mechanical or electronic detection mechanisms with a simpler receiver that processes pre-formatted position data. This substitution dramatically reduces the complexity of traffic detection equipment while maintaining or improving detection capability
Data Source
AI summary
A system and method are provided for employing local, opportunistic Automatic Dependent Surveillance-Broadcast (ADS-B) information to augment other source “knowledge” of local aircraft position information for improving situational awareness in areas lacking ADS-B coverage provided by other aircraft control agencies including the Federal Aviation Administration (FAA), other Civil Aviation Authorities (CAAs), and/or other Air Traffic Control (ATC) entities. Locally-received, e.g., in a vicinity of a UAV or sUAS, ADS-B positional information is received by a UAV, sUAS or associated ground control station and integrated on a display component of the ground control station, e.g., a pilot display, for the UAV or sUAS. Received positional information is forwarded to other interested users/systems, including those associated with agencies or entities in overall tactical, operational or surveillance control of a particular area of operations, as appropriate as an integrated situational awareness map display picture.