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Estimating location of a communications device

  • US 7,633,443 B2
  • Filed: 06/27/2006
  • Issued: 12/15/2009
  • Est. Priority Date: 06/28/2005
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • calculating at least one a first location estimate for a communications device based on information relating to signals transmitted between a communications device and at least one first antenna of a communications system,selecting at least one second antenna of the communications system, wherein the at least one second antenna not currently used for communication by the communications device, anddetermining a second location estimate for the communications device using the first location estimate and information relating to the at least one second antenna,wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna.

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