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Ingress Suppression for Communication Systems

  • US 20130010810A1
  • Filed: 07/07/2011
  • Published: 01/10/2013
  • Est. Priority Date: 07/07/2011
  • Status: Active Grant
First Claim
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1. A method for use in a receiver of a communication system for suppressing one or several narrow band interferences present in a communication channel, the method comprising:

  • receiving at the receiver a communication signal from the communication channel;

    filtering in the signal each interference to be suppressed in turn with a respective one of a plurality of Infinite Impulse Response (IIR) notch filters configured to suppress the respective one of the interferences;

    and providing for each of the notch filters a respective one of a plurality of IIR all-pass filters devised to compensate for substantially all phase distortions introduced by the respective notch filter.

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