Location determination using RF fingerprinting

   
   

A method for determining the location of a mobile unit (MU) in a wireless communication system and presenting it to a remote party. The location of a remote MU is determined by comparing a snapshot of a predefined portion of the radio-frequency (RF) spectrum taken by the MU to a reference database containing multiple snapshots taken at various locations. The result of the comparison is used to determine if the MU is at a specific location. The comparison may be made in the MU, or at some other location situated remotely from the MU. In the latter case, sufficient information regarding the captured fingerprint is transmitted from the MU to the remote location. The database may be pre-compiled or generated on-line.

 
Web www.patentalert.com

< Method of making radio frequency identification tags

< Initialization for hyper frame number of signaling radio bearers

> Cell status messaging in a radio communications system

> Method and apparatus using a binary search pattern for identifying an interfering mobile terminal

~ 00126