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Receiver apparatus and method for tracking and rejecting transmit signal in wireless communication system

  • US 8,027,655 B2
  • Filed: 12/02/2008
  • Issued: 09/27/2011
  • Est. Priority Date: 12/03/2007
  • Status: Active Grant
First Claim
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1. A receiver apparatus for tracking and rejecting a Transmit (Tx) signal in a wireless communication system, the apparatus comprising:

  • a controller adapted to receive channel frequency information of the Tx signal and to control an operation for tracking and rejecting a frequency of the Tx signal;

    a phase locked loop adapted to generate an oscillation frequency by generating a control voltage according to the channel frequency information of the Tx signal under the control of the controller and to filter a signal corresponding to the oscillation frequency among signals input to a low noise amplifier; and

    the low noise amplifier adapted to amplify power while minimizing noise of the signal filtered by the phase locked loop.

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