Welcome to our LDACS website!

LDACS stands for L-band Digital Aeronautical Communications System. It is the upcoming air-to-ground communications standard and, therefore, an important data link technology within the future communications infrastructure for aviation. Standardization within ICAO (International Civil Aviation Organization) started in December 2016 and draft SARPs (Standards and Recommended Practices) are expected by end of 2018.

This website gives a detailed overview on LDACS. You will find information about technical details for transmitter and receiver design, protocols, demonstrator implementation, cell planning, and the extension of LDACS communications towards navigation.

The following video gives an introduction into the future communications infrastructure for aviation. This covers the “networking the sky” concept as well as LDACS.  

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