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Method and system to reduce impact of non-ATC data-link messages on ATC data-link messages on a shared air-ground communication link

  • US 8,280,563 B2
  • Filed: 11/13/2009
  • Issued: 10/02/2012
  • Est. Priority Date: 11/13/2009
  • Status: Expired due to Fees
First Claim
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1. A system to send air traffic control (ATC) data-link messages from an aircraft, the system comprising:

  • a communication manager in the aircraft having two data link addresses for the aircraft, the communication manager comprising;

    a first copy of software in a first data link layer portion assigned a first one of the two data link addresses and configured to communicate ATC data-link messages; and

    a second copy of the software in a second data link layer portion assigned a second one of the two data link addresses and configured to communicate non-ATC data-link messages,wherein the aircraft is configured to execute ATC applications in a first portion of an application layer onboard the aircraft, and wherein the aircraft is configured to execute non-ATC applications in a second portion of the application layer onboard the aircraft, andwherein the ATC data-link messages are sent from the aircraft independent of the non-ATC data-link messages sent from the aircraft via a physical link between the communication manager and an aircraft radio.

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