This is a compact, high mobility COMINT system that can be used especially for the detection of drone threats. It is a communication intelligence system that detects and estimates the direction of communication signals between drones and their control unit.
It features a phase-coherent four-channel receiver structure, and estimates directions through phase and amplitude comparison techniques. Consequently, the detection time is shorter and the DF accuracy is higher than with single-channel switched systems.
The system can make a decisive estimate of the direction when there is a direct line of sight. It can provide stable DF results when faced with multiple transmissions. It can inform/warn about DF stability and the presence of multipath transmissions, and provides an infrastructure that enables the application of deep learning techniques. Newly encountered signal types can be quickly introduced to the system, and the system capabilities can be developed rapidly.
This system detects with high precision narrowband and broadband communication signals, determines their directions/positions, measures their parameters and conducts their identification and analysis. All time-critical processes are carried out automatically in real time; the system works 24/7, and the communication environment is kept under control without interruption. The obtained processed and unprocessed data are recorded and can be analysed using smart filters. The main distinguishing feature of the developed system is its ability to detect narrowband, broadband, Direct-Sequence Spread Spectrum (DSSS) and Frequency-Hopping Spread Spectrum (FHSS) signals, classify them with high accuracy and ensure eavesdropping.
Drawing upon the experience and knowledge gained with the COMINT system, a much more compact COMINT system with high mobility has been developed for use especially for the detection of drone threats. The system is called miniCOMINT, and is a communication intelligence system that detects and estimates the directions of communication signals between drones and their control units. The use of more than one system in conjunction allows the location of the signal source (drone and control point) to be determined. The system has a circular antenna array of directional antennas. The system features a phase-coherent four-channel receiver structure, and estimates directions using phase and amplitude comparison techniques. Consequently, the detection time is shorter and the DF accuracy is higher than with single-channel switched systems.
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