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Systems and methods for facilitating efficient vertical handoffs in a wireless communication system

  • US 8,489,093 B2
  • Filed: 04/07/2011
  • Issued: 07/16/2013
  • Est. Priority Date: 04/07/2011
  • Status: Active Grant
First Claim
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1. A method for managing network connectivity of a wireless device, the wireless device being connected to a first wireless network and configured to scan for a signal of a second wireless network, the first wireless network and the second wireless network being configured to operate using different wireless communication protocols, the method comprising:

  • scanning for a signal of the second wireless network while the wireless device is connected to the first wireless network,collecting location information about the location of the wireless device;

    comparing the location information to coverage map information that indicates where coverage for a second wireless network is available;

    determining whether the wireless device is located in a coverage area of the second wireless network;

    scanning for a signal of a second wireless network if the wireless device is located in a coverage area of the second wireless network;

    executing a vertical handoff from the second wireless network to the first wireless network if the signal of the first wireless network is detected;

    operating the wireless device on the first wireless network for a predetermined period of time before again scanning for the signal of the second wireless network.

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