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Method and apparatus for using position location to direct narrow beam antennas

  • US 7,181,244 B2
  • Filed: 11/15/2001
  • Issued: 02/20/2007
  • Est. Priority Date: 11/16/2000
  • Status: Expired due to Fees
First Claim
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1. A method for beamforming by a base station, the method comprising:

  • providing a mobile station'"'"'s coordinate position to a spatial processing unit;

    providing a base station'"'"'s coordinate position to the spatial processing unit;

    calculating a direction of the mobile station with respect to the base station according to the mobile station'"'"'s coordinate position and the base station'"'"'s coordinate position;

    calculating a number and a direction of beams according to information supplied by a multipath database that includes records of mobile station'"'"'s coordinate position and corresponding angle of arrival of energy; and

    determining a gain and a phase of each element of an antenna according to the number and the direction of beams.

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