Enhanced 911 system for providing witness identification in...

Details Enhanced 911 system for providing witness identification in... Enhanced 911 system for providing witness identification in...

2007-05-29

2007-05-29

Tran, CongVan (Department: 2617)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S404200, C455S456100, C379S045000, C379S037000

Reexamination Certificate

active

10886852

ABSTRACT:
The provisioning of enhanced 911 service in a mobile communications network is supplemented to include the capability of identifying other mobile stations in close proximity to a mobile station placing a 911 call. This capability may then be used to aid in the identification of witnesses to a crime, car accident, and the like. Constantly updated location information for mobile stations in communication with a switching center is maintained in a database that can be accessed by PSAP agents on an “as needed” basis. In particular, a PSAP agent can submit a search request, using time/date and geographic location information to determine the identity of all mobile stations in a predetermined “radius” associated with a 911 caller.

REFERENCES:
patent: 5786791 (1998-07-01), Bruckert et al.
patent: 5890068 (1999-03-01), Fattouche et al.

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