The rapid increase in global air traffic has placed significant pressure on existing air-to-ground communication systems, which rely heavily on aging radio technologies operating in very high-frequency (VHF) bands. Frequency congestion is now limiting airspace capacity and challenging the effectiveness of current Communication, Navigation, and Surveillance / Air Traffic Management (CNS/ATM) systems. Without upgrading these communication infrastructures, the aviation industry risks failing to meet future air traffic demands, potentially compromising both safety and efficiency.

The solution is the next-generation air-to-ground datalink communication protocol designed to overcome the limitations of current systems and support future air traffic growth. Key features include:

• Seamless handover mechanism: Continuous communication between moving aircraft and stationary ground stations, even in complex and high-density airspace.

• Mobility management in the application layer: Reduces handover delays, ensuring uninterrupted communication during critical flight phases.

• COTS equipment compatibility: Supports commercial off-the-shelf (COTS) equipment, enabling easier adoption and compliance with international standards.

• Next-generation human-machine interface (HMI): Improves user interaction and data processing for air traffic controllers handling increasingly complex information.

The solution goes beyond existing IP-based datalink solutions by providing advanced mobility management, seamless handovers between ATN/OSI and ATN/IPS, and an improved system design capable of processing higher-quality flight data while meeting human factors requirements.

The solution is fully aligned with EASA standards, ensuring compliance with rigorous safety and operational regulations. This guarantees that the solution meets technical demands while maintaining the highest levels of safety and reliability.

BENEFITS

• Ensures seamless communication handovers between aircraft and ground stations, reducing the risk of communication loss.

• Supports the use of COTS equipment, lowering costs and simplifying adoption.

• Enhances air traffic management through improved data handling and advanced HMI design.

• Provides a baseline for future aeronautical datalink communication networks.

• Prepares for the growth of air traffic by supporting service continuity in mobile and IP-based communication scenarios.