METHOD FOR FINE LOCALIZATION OF AN SMS ISSUED FROM A MOBILE USER EQUIPMENT IN A TELECOMMUNICATIONS NETWORK USING FEMTOCELLS IN OPEN MODE

摘要

The mobile network (10) is organized into a plurality of location areas and service areas grouping together a geographically homogeneous set of cells of the mobile network, with femtocells being grouped into specific additional service areas. The transmission of an SMS from a user equipment (14) coupled to a femtocell (30) triggers a location step, with communication to a network location platform of a coarse localization comprising the area codes of SAC and LAC localization service corresponding to the femtocell, and a fine location comprising unique data, such as IP address and INSEE code, identification of the Internet box (20) associated with the femtocell. This data is then transmitted to the platform by the SMS management center. The femtocells can thus operate in open mode, each femtocell being able to couple to any user equipment registered with the mobile network operator.