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Broadcast SNDCF

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

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Broadcast SNDCF

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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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