1850627-A1 cites 2 patents.

The method involves associating power attenuations to reference points (M alpha) corresponding to two sensors (9a, 9b). Reception powers are measured by using the sensors corresponding to signal emitted by a terminal (7). A sub-assembly of localization points near to the terminal is determined from the reference points using relative power associated to the reference points, where the sub-assembly defines a localization zone of the terminal in a geographic zone (1). Independent claims are also included for the following: (1) a system for determining a localization zone of a terminal with respect to a determined geographic region (2) a computer program comprising program code instructions for executing steps of a localization zone determining method.

Title
System and method of determining the location of a terminal in relation to a given geographical region.
Application Number
EP20070107060 20070426
Publication Number
1850627 (A1)
Application Date
April 26, 2007
Publication Date
October 31, 2007
Inventor
Ansel Pierre
FR
Francfort Stanislas
FR
Assignee
France Telecom
FR
IPC
H04W 64/00
H04W 64/00
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