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Apparatus for receiver with digital signal arrival detector and associated methods

  • US 10,305,676 B2
  • Filed: 05/29/2016
  • Issued: 05/28/2019
  • Est. Priority Date: 07/24/2013
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a radio frequency (RF) receiver comprising;

    a digital signal arrival (DSA) detector to detect arrival of a transmitted signal, the DSA detector comprising a signal correlator coupled to a relative received signal strength indication (RSSI) detector;

    a demodulator coupled to the DSA detector to demodulate a received signal and to provide a demodulated signal;

    a synchronization word detector (SWD) coupled to the demodulator to receive the demodulated signal; and

    a controller, wherein the relative RSSI detector provides a first detect signal to the controller when a current RSSI value exceeds a sum of a threshold and an earlier RSSI value.

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