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User equipment adjustment of uplink satellite communications

  • US 8,538,327 B2
  • Filed: 04/15/2010
  • Issued: 09/17/2013
  • Est. Priority Date: 04/15/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining in user equipment data indicative of position of a satellite;

    obtaining data indicative of position of the user equipment;

    computing a delay measure based on the data indicative of position of the satellite and the data indicative of position of the user equipment; and

    adjusting a timing of a communication transmitted from the user equipment to the satellite based on the delay measure;

    wherein the obtaining data indicative of position of the satellite comprises receiving data indicative of position and velocity of the satellite; and

    wherein the data indicative of the position and velocity of the satellite comprises ephemeris data given by;

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