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Enhancing Broadcast Capabilities for Efficient Aeronautical Communications

The efficient transmission of messaging at airports is critical for aviation safety. Current point-to-point communication methods can be inadequate, especially for D-ATIS, SIGMET, NOTAMs, and Aircraft Microphone Checks. Lufthansa has requested AEEC to develop a broadcast capability for AOA similar to the POA network. This solution should facilitate ATN interface broadcasting to all aircraft for specific ground stations, clusters, airlines, or subfleets. Key proposals include standardizing AOA addressing, defining broadcast user groups, and leveraging existing IP protocols.

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Enhancing Broadcast Capabilities for Efficient Aeronautical Communications

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  1. Broadcast SNDCF R. Morgenstern RTCA SC214/EUROCAE WG78 VDL2SG

  2. Statement of Problem • Point-to-point communications inefficient for some messaging • D-ATIS in the vicinity of the airport • SIGMET • NOTAMs • Aircraft Microphone Check (AMC) • Lufthansa has requested AEEC DLK provide broadcast capability for AOA similar to POA network • It would be beneficial if solution included ATN interface

  3. Broadcast scope • All aircraft for a particular Ground Station • All aircraft for a cluster of Ground Stations • All aircraft of a particular airline • A subfleet of a particular airline

  4. broadcast functionality • POA broadcast clusters used by Lufthansa: Image courtesy of Lufthansa

  5. Proposed Implementation • For ATN, reconstitute CLTP in ICAO Doc 9880, Part III • For AOA addressing, DSP implementation detail • For ATN addressing, use 0xFFFFFF for ARS • Then LOC can determine the scope of the broadcast • And SYS can determine the specific GS, cluster, airline and/or airline subfleet • Use IPI/EIPI to identify destination applications and bypass 8208 sublayer • CPDLC (AMC, Advisories) • FIS • ADS-C • AOC/FOC • Use A620 addr or additional field for ATN to define broadcast to a user group (e.g., airline)

  6. Questions • Is there a need to standardize the AOA addressing for broadcast uplinks? • Missing capabilities?

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