Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2004-12-17
2008-10-07
Mehrpour, Melody (Department: 2617)
Telecommunications
Radiotelephone system
Emergency or alarm communication
C455S403000, C455S414100, C379S037000, C370S352000
Reexamination Certificate
active
07433673
ABSTRACT:
Each wireless access point in a wireless local area network (WLAN) is allocated a set of one or more identifiers. A correlation database stores information that relates the geographic location of each wireless access point and the identifiers allocated to it. When a mobile node associated with a wireless access point in the WLAN originates a 9-1-1 or other emergency call, one of the wireless access point's identifiers is included in the call origination request. By querying the correlation database, the wireless access point's geographic location may be determined from the identifier. When a public safety answering point (PSAP) answers the mobile node's call, the PSAP may obtain the geographic location of the wireless access point with which the mobile node is associated. This location information could be pushed to the PSAP, or the PSAP could obtain the location information by querying the correlation database.
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Delker Jason R.
Everson John M.
Mehrpour Melody
Sprint Spectrum L.P.
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