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ANTENNA SWITCHING SYSTEM WITH ADAPTIVE SWITCHING CRITERIA

  • US 20130035051A1
  • Filed: 08/01/2011
  • Published: 02/07/2013
  • Est. Priority Date: 08/01/2011
  • Status: Active Grant
First Claim
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1. A method for using an electronic device that has at least two antennas of which one is selectively used to handle wireless communications traffic, comprising:

  • with the antennas, obtaining difference measurements reflecting how much received antenna signal strength differs between the antennas;

    applying first and second filters with different filtering speeds to the difference measurements to produce respective first and second filtered difference measurements; and

    applying antenna switching criteria to the first and second filtered difference measurements to determine whether to switch a first of the antennas into use in handling the wireless traffic in place of a second of the antennas.

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