The present invention relates to a system and method for the passive location positioning of wireless handsets for the purposes of delivering targeted data to users in a wireless communications network while protecting the privacy of the users. The network may contain a plurality of clusters comprising...http://www.google.fr/patents/US20010036224?utm_source=gb-gplus-shareBrevet US20010036224 - System and method for the delivery of targeted data over wireless networks
System and method for the delivery of targeted data over wireless networks