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Method for minimizing receive packet processing for a personal computer implementation of a wireless local area network adapter

  • US 7,577,122 B1
  • Filed: 06/12/2003
  • Issued: 08/18/2009
  • Est. Priority Date: 06/18/2002
  • Status: Active Grant
First Claim
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1. A method for the reduction of receive packet processing in a communications system receiver comprising the steps of:

  • establishing a set of criteria which identifies a packet as one requiring demodulation;

    detecting a packet preamble to trigger at least one waveform identification function;

    determining with the at least one waveform identification function if said detected packet meets an established criteria for demodulation, the established criteria comprising at least one of data rate, modulation type, signal to noise ratio, or coding rate; and

    interrupting a host processor to begin demodulation if said detected packet meets the established criteria for demodulation.

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