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Techniques to determine user presence

  • US 8,774,145 B2
  • Filed: 04/01/2011
  • Issued: 07/08/2014
  • Est. Priority Date: 04/01/2011
  • Status: Active Grant
First Claim
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1. A method of detecting user presence, comprising:

  • registering a client associated with said user on a host associated with said user and setting up a wireless communication pairing, wherein while setting up said pairing, said client measures said host wireless communication beacon power and uses it as a calibration threshold for distance detection; and

    wherein said client measures a beacon power of said host and when said beacon power is above a power threshold, said client is determined to be proximate to said host;

    wherein when said user moves away from said host and said beacon power received by said client is decreased and when said client receives a beacon packet without an association Aid (Pre-agreed Aid) in a traffic indication map (TIM) field and said beacon power is lower than said power threshold, said Client sends a sleep packet to said host to turn off a display associated with said host.

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