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Method and system for antenna pattern synthesis based on geographical distribution of subscribers

  • US 5,977,907 A
  • Filed: 02/02/1998
  • Issued: 11/02/1999
  • Est. Priority Date: 02/02/1998
  • Status: Expired due to Term
First Claim
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1. A method for enabling communication between a satellite comprising a plurality of antenna elements which operate as a phased array, and a plurality of terrestrial-based subscribers distributed across a geographical area, the method comprising:

  • (a) determining directions from the satellite to the plurality of terrestrial-based subscribers;

    (b) grouping the plurality of terrestrial-based subscribers to a communication beam based on the directions;

    (c) synthesizing a signal constraint matrix based on said grouping;

    (d) forming a communication beam which covers an area occupied by the plurality of terrestrial-based subscribers based on the signal constraint matrix.

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