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Airbus demonstrates new ‘Network for the Sky’ with MRTT

Airbus has successfully completed a flight demonstration of a connected airborne battlespace scenario, centred on a KC-30A-based MRTT aircraft.

The test was carried out as part of the development of Airbus’ Network for the Sky (NFTS) program. This follows on from last August’s demonstration in Canada of secure mobile communications using a stratospheric balloon to simulate a HAPS (high altitude pseudo satellite), such as Airbus’ Zephyr UAV (unmanned aerial vehicle).

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NFTS combines various technologies – satellite and ground communications, air-to-ground, ground-to-air and air-to-air tactical links, 5G mobile communications and laser connections in a resilient, unified, secure, highly interoperable, mesh network.

Aircraft, UAVs and helicopters currently use networks with limited bandwidth and interoperability, and often little resilience. NFTS will allow them to form an integral part of high-speed military networks.

Evert Dudok, head of communications, intelligence and security at Airbus Defence and Space, said, "This unique demonstration is a significant milestone in realising our vision of secure connectivity, which will enable the future air combat cloud and enhance real-time execution of military missions."

The demonstration scenario simulates the establishment of multi-Mbit/s, wideband communication links between ground forces operatives, a fighter jet, a MRTT, and a combined air operations centre (CAOC) on the ground. Both the operatives and jet fighter had to send video in real time to provide enhanced real-time situational awareness and receive instructions from the CAOC in return.

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The operative located in Getafe (Spain) was equipped with a standard handheld radio for NATO forces (ROVER). The fighter was deployed to obtain imagery of the area of interest and act as a communications node between the operative and the MRTT flying at 30,000 feet within a 150 kilometre radius in secure airspace. Communications were thus relayed between the fighter jet and the MRTT, via a wideband LOS (line-of-sight) data link.

The MRTT then routed the video along with its own communications via a wideband satellite link to a space teleport near Washington, DC. The communications flow was then returned to Europe via a terrestrial link to the CAOC.

This complex scenario demonstrates the real-time operation of secure end-to-end communications across different networks and technologies: ground-air tactical link, air-air wideband link between two aircraft, air-satellite relay and terrestrial networks.

This type of configuration, known as a ‘hybrid network’, represents the future of military communications and meets the needs of armed forces to be able to use a wide range of networks while allowing these to be managed dynamically and transparently. The solutions developed by Airbus thus allow secure IP communications to be established, links to be reconfigured in real time and the available bandwidth to be allocated to data links based on operational priorities.

For this demonstration, an MRTT aircraft was equipped with Janus, Airbus’ new tri-band (Ku-Ka-MilKa) satellite antenna, as well as the latest version of the Proteus satellite modem, which is highly resilient against interference and jamming, and Airbus’ aircraft links integration management system (ALIMS). 

This exercise paves the way for the development of the core capability for SMART MRTT connectivity, which will allow the MRTT to act as a high-end communication node. NFTS sets the foundation for the connected airborne battlespace, with the objective to offer a full operational capability by 2020.

The NFTS program is part of Airbus’ Future Air Power project and is fully aligned with the development of the European Future Combat Air System.

Airbus demonstrates new ‘Network for the Sky’ with MRTT
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