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Microprocessor decoder frequency hopping spread spectrum communications receiver

  • US 7,020,178 B2
  • Filed: 06/26/2002
  • Issued: 03/28/2006
  • Est. Priority Date: 06/26/2002
  • Status: Active Grant
First Claim
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1. In a frequency hopping spread spectrum receiver, a method of validating a transmitted signal, comprising:

  • scanning a predetermined list of channels comprising all channels on which a signal is transmitted;

    checking a received signal strength indicator signal for each scanned channel;

    detecting a carrier signal on a selected channel selected in accordance with said received signal strength indicator;

    locking to said selected channel;

    starting a timer;

    recording samples on said selected channel for a predetermined period of time to obtain a predetermined number of samples; and

    counting correlation errors between said predetermined number of samples and preamble patterns to determined a number of correlation errors.

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