Standard
ABSTRACT
One of the biggest challenges facing the Emergency Services is determining the location of mobile callers. Cell based location has been available to the Emergency Services since 2003. While cell data can help with verbal establishment of a caller's location, a more precise location will allow an even quicker emergency response.Advanced Mobile Location (AML) allows use of native smart phone technology to pass (Assisted) GNSS or Wi-Fi based location data to Emergency Service PSAPs. These technologies can provide a location precision as good as 5 m outdoors (and averaging to within circular areas of ~25 m radius for indoor locations), a significant improvement on existing cell coverage provided by mobile networks, which average (across the UK as an example) circular areas of about 1,75 km radius. The present document builds on the Advanced Mobile Location initiative described in ETSI TR 103 393 now being used in an increasing number of countries to improve the precision and accuracy of a caller's location information for emergency calls from mobile handsets.
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- Status: Published
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