| 摘要 |
System and method for local marketing at the point of sale, the system comprising: at least one local unit (1,1′,1″) with cellular radio transceiver means, located at a local marketing area within a coverage area (4,4′,4″), configured for: broadcasting a LAC different from any other LAC of the radio cells in the surroundings; establishing a Location Update dialogue with any mobile phone (3,3′,3″) answering to the LAC broadcast, obtaining its IMSI number; sending a Location Updating Reject message to each mobile phone (3,3′,3″) whose IMSI number has been obtained; sending said IMSI number to a central unit (2); the central unit (2), configured to: obtain, for each IMSI number, a user identity useful to advertisers; receive requests from at least one advertiser (9,9′,9″) for capturing user identities in local marketing areas; determine the advertisers (9,9′,9″) interested in the user identities received, and provide (20) them to the corresponding advertiser (9,9′,9″).
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