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System and method for identifying a source of interference in a mobile telecommunications network

  • US 6,393,277 B1
  • Filed: 08/13/1999
  • Issued: 05/21/2002
  • Est. Priority Date: 08/13/1999
  • Status: Expired due to Term
First Claim
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1. A method of identifying a source of interference associated with a selected cell in a mobile telecommunications network, comprising the steps of:

  • identifying candidate cells in the mobile telecommunications network, at least one of which is a source of interference within the selected cell;

    measuring interference levels within the selected cell during predetermined sampling intervals and storing at least one interference level for each sampling interval in memory;

    measuring traffic levels within candidate cells during the predetermined sampling intervals and, for each candidate cell, storing at least one traffic level for each sampling interval in memory;

    for each candidate cell, determining a partial correlation coefficient between the stored interference levels and the stored traffic levels for the candidate cell; and

    identifying one or more interfering candidate cells that cause the interference within the selected cell, based upon the determined partial correlation coefficients.

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