Cooperative Relative Navigation for Aircraft in GPS-Denied Environments ID: 2020-021
An innovative method enhancing aircraft motion estimation through inter-vehicle communication and odometry data exchange in GPS-compromised scenarios.
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Technology Overview
This technology outlines a novel approach for the cooperative relative navigation of multiple aircraft in environments where GPS signals are unavailable or unreliable. It employs a Kalman-filter-based estimator for calculating odometry, allowing aircraft to share odometry information and use radio signals for measuring relative distances. This method significantly improves positional estimates under challenging conditions, leveraging minimal information exchange and computational efficiency.
Key Advantages
- Computational efficiency in processing odometry data
- Minimal information exchange requirements between aircraft
- Capability to operate under limited or unreliable communication conditions
- Improved global and relative positioning accuracy through cooperative navigation
Problems Addressed
- Navigation in environments with denied or degraded GPS signals
- High communication load and complexity in coordinating multiple aircraft
- Reduced accuracy of positional estimates under challenging operational conditions
Additional Information
Technology ID: 2020-021
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Date Published: 28 March, 2025
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