| 摘要 |
A system of locating a subscriber of mobile equipment (20) within a predetermined area (100), which comprises beacon equipment (10) for defining said predetermined area, including a device (11) with local area access technology configured to define said predetermined area (30), a device (12) with wireless access to a mobile telephony network (30), a smart card with a subscriber identity module (13), means for storing at least a first access code to said predetermined area (100) associated to said subscriber. Said mobile equipment (20) includes said local area access technology, and means for storing at least a second access code to said predetermined area (100). The system comprises means for detecting the entrance of said mobile equipment in the predetermined area, means for establishing, as a response to said detection, secure communication between mobile equipment and beacon equipment, and means for authenticating and registering said mobile terminal in the predetermined area by means of checking for a match between said first and second access codes of the beacon equipment and mobile equipment, respectively. The invention also relates to the use of the previous system of locating for billing said subscriber of mobile telephony equipment (20).
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