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SYSTEM OF UTILIZING CELL INFORMATION TO LOCATE A WIRELESS DEVICE

  • US 20110223934A1
  • Filed: 05/20/2011
  • Published: 09/15/2011
  • Est. Priority Date: 09/10/2001
  • Status: Active Grant
First Claim
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1. A method for determining the approximate position of a wireless device located within a cell of a wireless network utilizing a satellite position system, the cell having a unique identification, the method comprising:

  • receiving characteristic information of the cell from the wireless device, the characteristic information being distinct from the unique identification of the cell, the characteristic information being determined by the wireless device in response to receipt of a signal wherein the wireless device measures the signal and determines the characteristic information of the cell; and

    obtaining positional assistance information from a database when a location of the wireless device has not been derived, the positional assistance information corresponding to the received characteristic information and based at least partially on position data calculated from satellite position system processing, the positional assistance information comprising an approximate location of the wireless device.

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