In a groundbreaking collaboration, TEKEVER and CRFS joined forces to overcome the challenge of geolocating ground-based targets over long distances. Recognizing the limitations posed by the Earth's curvature and radio horizon, both companies aimed to increase the line of sight (LOS) for time-difference-of-arrival (TDoA) systems, crucial for accurate positioning measurements.
The Problem: Traditional monitoring agencies faced difficulties in geolocating ground-based targets due to the Earth's curvature, hindering a clear line of sight.
The Solution: TEKEVER's AR5 unmanned aerial systems (UAS) and CRFS' RFeye Nodes, which were previously used independently for intelligence, surveillance, and reconnaissance (ISR) missions, were integrated to capitalize on their individual strengths.
The end-user, a system integrator with multi-domain applications, sought to leverage the altitude advantage offered by TEKEVER's UAS to enhance CRFS' RFeye Nodes' capabilities. The collaboration involved fitting the AR5 with RFeye Nodes, enabling advanced TDoA, geolocation, and monitoring of ground-based targets over extended distances.
Technical teams from TEKEVER and CRFS worked collaboratively to address challenges such as interference from various transmitters onboard the UAS. Solutions involved strategic positioning of antennas and filtering, with Silvus radios facilitating the downlink of data from the node to the ground station.
Results: The combined capabilities of TEKEVER's UAS and CRFS' RFeye Nodes resulted in an increased line of sight, enabling the precise geolocation of ground-based targets situated beyond the horizon. This partnership opened up possibilities for applications like maritime surveillance, search and rescue, border monitoring, military ISR, and regulatory spectrum monitoring.
The integrated UAS and RF sensor payload proved versatile, with potential applications across diverse domains. The end-user can deploy this adaptable solution for extensive land or sea coverage while actively searching for ground-based targets. Additionally, the integrated UAS can be combined with existing ground-based units, forming a dynamic multi-domain network for advanced passive ISR over large areas.
TEKEVER and CRFS's collaborative effort showcased the potential of integrating UAS with ultra-sensitive RF receivers, providing a valuable asset for various applications requiring increased line-of-sight and precise geolocation capabilities. The success of this project highlights the innovative solutions that arise from effective collaboration between technology leaders.
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