×

Location determination for wireless mobile devices

  • US 7,962,152 B2
  • Filed: 05/24/2007
  • Issued: 06/14/2011
  • Est. Priority Date: 05/24/2007
  • Status: Active Grant
First Claim
Patent Images

1. A method for generating location data using a wireless mobile device, the method comprising the steps of:

  • determining whether the wireless mobile device is within a Wi-Fi hotspot by searching for a Wi-Fi signal;

    responsive to the determination that the wireless mobile device is within the Wi-Fi hotspot, transmitting a first request for the location data by submitting a query through the Wi-Fi hotspot to a database for a current location of the wireless mobile device based on at least one of;

    (1) a Basic Service Set Identifier (“

    BSSID”

    ) of the Wi-Fi hotspot and (2) a Received Signal Strength Indication (“

    RSSI”

    ) of the Wi-Fi signal received by the wireless mobile device from the Wi-Fi hotspot, the database comprising up-to-date information of nationwide Wi-Fi access points;

    responsive to the first request failing, transmitting a second request by submitting a GPS query to a cellular based GPS network;

    receiving the location data from one of the database and the cellular based GPS network; and

    responsive to both the first and the second requests fail, displaying an error message on the wireless mobile device.

View all claims
  • 12 Assignments
Timeline View
Assignment View
    ×
    ×