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Remote programmable reference

  • US 8,331,888 B2
  • Filed: 05/31/2006
  • Issued: 12/11/2012
  • Est. Priority Date: 05/31/2006
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • maintaining, in a memory module coupled to a reference system, a set of programmable reference signal parameters, the set of programmable reference signal parameters including a reference signal frequency and a specific antenna band designation;

    generating, in the reference system, a reference signal from the set of programmable reference signal parameters;

    transmitting the reference signal from the reference system to an aircraft platform according to;

    (1) a transmission schedule stored at the reference system and (2) the specific antenna band designation;

    receiving, at the reference system, an updated set of programmable reference signal parameters from the aircraft platform;

    generating, in the reference system, a modified reference signal at the reference system based on the received updated set of programmable reference signal parameters, wherein the modified reference signal describes a positioning of the aircraft platform with a greater accuracy than the reference signal; and

    transmitting the modified reference signal from the reference system to the aircraft platform.

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