Emergency location method for a wireless location system
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United States of America Patent
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-
Jan 9, 2001
Grant Date -
N/A
app pub date -
Jan 12, 1999
filing date -
Jan 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for use in locating a mobile transmitter in an emergency situation comprises the steps of (a) upon determining that the emergency situation exists, monitoring a bandwidth of a reverse voice channel (RVC) signal transmitted by the mobile transmitter; (b) determining whether the bandwidth exceeds a predetermined threshold; (c) if the bandwidth exceeds the predetermined threshold, measuring the location of the mobile transmitter; and (d) if the bandwidth does not exceed the predetermined threshold, performing a predetermined action to increase the bandwidth and subsequently measuring the location of the mobile transmitter.
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