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Method and system for determining correct escape mechanisms and controlling interference in third generation wireless systems

  • US 7,133,673 B2
  • Filed: 06/27/2003
  • Issued: 11/07/2006
  • Est. Priority Date: 06/28/2002
  • Status: Expired due to Fees
First Claim
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1. A method for minimizing interference in a wireless communication system employing both time division duplex (TDD) and frequency division duplex (FDD) modes, wherein a transmission between at least one base station and at least one wireless transmit/receive units (WTRUs) occurs in a plurality of time-slots, the method comprising:

  • measuring interference in at least two of said time slots;

    computing the variance of said measured interference between said time slots if said measured interference in active slots is above a first predetermined value (to determine if the interference is continuous or discontinuous);

    employing TDD escape mechanisms if the variance is above a second predetermined value indicating the measured interference is discontinuous; and

    employing a handover escape mechanism if the variance is below the second predetermined value indicating the measured interference is continuous.

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