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BEAM WOBBLING FOR INCREASED DOWNLINK COVERAGE AND CAPACITY

  • US 20070142045A1
  • Filed: 02/27/2007
  • Published: 06/21/2007
  • Est. Priority Date: 09/30/2003
  • Status: Active Grant
First Claim
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1. A method for reducing interference between adjacent cells of a cellular radio system, comprising:

  • (a) in a cell of said cellular radio system, transmitting traffic along a downlink beam to a first user terminal during a first time slot;

    (b) rotating said downlink beam by a predetermined angle;

    (c) transmitting along said downlink beam to a further user terminal during a second time slot; and

    (d) repeating steps (a), (b), and (c) until the entire area of cell is covered;

    said predetermined angle being varied in accordance with a predetermined pattern.

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