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System and method for enhanced automatic roaming

  • US 8,995,995 B2
  • Filed: 06/18/2008
  • Issued: 03/31/2015
  • Est. Priority Date: 06/18/2008
  • Status: Active Grant
First Claim
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1. A method for automatically roaming with a wireless device, comprising:

  • sampling a signal strength of a first wireless signal associated with cellular communications at a time interval, wherein the wireless device is configured for the cellular communications including voice and data;

    determining whether the signal strength is less than a threshold for a predetermined time period;

    automatically configuring the wireless device to roam on a second wireless signal associated with the cellular communications in response to the signal strength of the first wireless signal being less than the threshold for the predetermined time period, wherein the wireless device is configured with a preferred roaming list identifying one or more wireless services providers, and wherein the second wireless signal is selected based on an indication in the preferred roaming list that a wireless service provider associated with the second signal is the next available alternate service provider; and

    resetting the wireless device to a default setting for the cellular communications after a second predetermined time period, wherein the threshold and the predetermined time period that the signal strength of the first wireless signal is less than the threshold are enabled to be set by a user of the wireless device, and wherein the time interval, predetermined time period, and second predetermined time period are measured by a sample duration timer, a marginal signal counter, and a duration timer, respectively.

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