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Near-far sensing using frequency swept RSSI

  • US 8,270,905 B1
  • Filed: 10/02/2007
  • Issued: 09/18/2012
  • Est. Priority Date: 10/02/2007
  • Status: Active Grant
First Claim
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1. A method for determining a near status or a far status of a headset in relation to a base unit comprising:

  • measuring a plurality of RSSI signals, wherein each RSSI signal of the plurality of RSSI signals is measured at a different carrier frequency;

    identifying a peak RSSI signal in the plurality of RSSI signals;

    comparing the peak RSSI signal to a near/far threshold RSSI value; and

    generating a near status or far status indication responsive to comparing the peak RSSI signal to the near/far threshold RSSI value.

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