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Frequency reuse scheme for point to multipoint radio communication

  • US 6,542,746 B1
  • Filed: 10/04/1999
  • Issued: 04/01/2003
  • Est. Priority Date: 10/09/1998
  • Status: Expired due to Term
First Claim
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1. A method of reusing a set of frequencies throughout a celluar communication network including a plurality of base stations, comprising:

  • employing at at least two base stations a plurality of notched antenna patterns whose shapes are determined as an inverse function to transmission patterns of remote stations;

    positioning each antenna pattern so that each of its notches is aimed at an adjoining base station;

    allocating a different one of said set of frequencies to each antenna pattern of a base station; and

    transmitting from a base station in a cell to a remote station in said cell on a frequency on which an extension of a path from the base station to the remote station into an adjoining cell passes through a notch of the antenna pattern allocated to the transmitting frequency in said adjoining cell.

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