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Method and system for reducing potential interference in an impulse radio

  • US 6,914,949 B2
  • Filed: 01/05/2001
  • Issued: 07/05/2005
  • Est. Priority Date: 10/13/2000
  • Status: Expired due to Fees
First Claim
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1. A method of reducing potential interference in an impulse radio receiver, comprising the steps of:

  • (a) receiving a signal including an impulse signal, the impulse signal including a sequence of impulses spaced in time from one another;

    (b) sampling the sequence of impulses at a sequence of data sample times to produce a sequence of data samples;

    (c) sampling the received signal at a time offset from each of the data sample times to produce a milling sample corresponding to each of the data samples, thereby producing a sequence of nulling samples corresponding to the time offset;

    (d) separately combining each of the data samples with a corresponding nulling sample from the sequence of nulling samples to produce a sequence of adjusted samples corresponding to the time offset;

    (e) determining a first quality metric associated with the sequence of adjusted samples;

    (f) determining a second quality metric associated with the sequence of data samples; and

    (g) selecting a preferred sequence of samples based on the first and second quality metrics.

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