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Proactive Location Information Push Disclosure Number: IPCOM000032841D
Original Publication Date: 2004-Dec-25
Included in the Prior Art Database: 2004-Dec-25

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In Mobile Telecommunication there is no facility or feature wherein a group of subscribers (i.e. family, colleagues, boss etc.) gets to know the location of a mobile subscriber without placing a special request for the location information. Looking back in the Public Switched Telephone Network (PSTN) system the Calling Line Identification Presentation (CLIP) reveals the location of the caller to extent of the Numbering Plan Area (NPA). With a little of research efforts one can obtain the geographical location. It is proposed to retransmit the cell information pushed by the network to the mobile user along with other information like Country Code and Network Destination Code to a predefined group of subscribers. This active push of information towards the network is called Proactive Location Information Push (PLIP). This gives the location awareness to the subscribers. The information can be transmitted for example using the USSD or SMS system. This approach is applicable to UMTS also. This PLIP feature can be realized using the already prevalent Unstructured Supplementary Service Data (USSD) mechanism. Refer to Fig. 1. Embodiment: