UAV RF Interference Replay for Realistic Airport ATC Testing
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Solution Overview
Problem
Existing radio interference test systems for air traffic control (ATC) are limited by the lack of practical, cost-effective solutions for testing interference robustness at airports, relying mainly on simulation-based methods.
Innovation Solution
A radio interference test system using unmanned aerial vehicles (UAVs) equipped with RF waveform recorders and communication infrastructure for live recording and replaying RF interference, allowing flexible and repeatable testing of interference robustness at various airport locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If simulation-based solutions are used for radio interference testing, then testing can be performed without real RF signals, but the testing lacks practical realism and effectiveness
Solution Approach 1:
The patent uses RF waveform recorders to capture and store actual RF interference waveforms from the environment, creating realistic copies of real-world interference scenarios. These recorded waveforms can then be replayed in controlled testing environments, providing both the realism of actual RF signals and the flexibility of repeatable testing.
Solution Approach 2:
The system performs preliminary recording of RF interference waveforms in the actual operating environment before conducting the interference robustness tests. This preliminary capture of real-world data allows subsequent tests to use authentic interference patterns rather than relying solely on simulations.
2Adaptability or versatility
If custom-built test systems are deployed at multiple airport locations, then comprehensive testing coverage is achieved, but deployment cost and complexity increase
Solution Approach 1:
The patent employs UAVs as universal test platforms that can be deployed across multiple airport locations. The same UAV equipped with RF waveform recorders can fly different routes, capture interference at various locations, and perform comprehensive testing without requiring separate fixed installations at each site, significantly reducing deployment cost and complexity.
Solution Approach 2:
The system replaces traditional ground-based fixed test installations with aerial UAV platforms. This substitution allows a single mobile system to cover multiple locations and scenarios that would otherwise require multiple fixed systems, reducing overall deployment complexity and cost while maintaining comprehensive testing coverage.
3Measurement precision
If heavy RF waveform recording equipment is installed in the aerial vehicle, then recording capability is improved, but the aerial vehicle's flight performance and capacity are degraded
Solution Approach 1:
The patent utilizes modern miniaturized RF waveform recorder technology that achieves high measurement precision while maintaining extremely low weight and power consumption. These advanced recording devices can capture comprehensive RF interference data with sufficient precision for testing purposes without the excessive weight of traditional laboratory-grade equipment.
Solution Approach 2:
The system employs lightweight, portable, and potentially disposable or single-use recording units attached to the UAV. These compact recorders can be easily replaced or reconfigured for different testing scenarios, providing adequate recording capability without the permanent weight burden of heavy professional equipment.
Data Source
AI summary
The present invention relates to radio interference test systems and a radio interference test method for live recording and replaying RF inferences from the air. The present disclosure provides an easily deployable RF interference test setup for testing interference robustness or problematic interferers in particular in the approach to an airport or an airport runway. The present invention is based on the idea to employ specific non-commercial aerial vehicles, such as drones or aerial test vehicles, which are equipment with a suitable test equipment in order to be able to follow an approach path or flight path of a commercial plane for testing purposes.