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Apparatus and method for joint power control in a wireless communication system

  • US 8,233,844 B2
  • Filed: 01/11/2008
  • Issued: 07/31/2012
  • Est. Priority Date: 01/12/2007
  • Status: Expired due to Fees
First Claim
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1. A method for controlling power in a cognitive radio wireless communication system, the method comprising:

  • selecting a plurality of customer premise equipments of the cognitive radio wireless communication system wherein the plurality of customer premise equipments affect an incumbent system different than the cognitive radio wireless communication system;

    allocating a transmit power of each of the selected customer premise equipments;

    calculating an interference level of each of the selected customer premise equipments using the transmit power of each of the selected customer premise equipments and a path loss of each of the selected customer premise equipments according to a distance between the each customer premise equipment and a protected contour of the incumbent system; and

    calculating a total interference level affecting the incumbent system by summing the interference levels of the selected customer premise equipments.

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