Last week was a great week for public safety—at least we think it was. Let me explain.
CTIA, the trade association that represents wireless communications carriers, announced that the four largest nationwide wireless carriers in the United States—AT&T, Sprint, T-Mobile and Verizon—will integrate device-based hybrid (DBH) location solutions into their networks. DBH technology has evolved rapidly, and trials have shown that they deliver location information much faster and much more accurately than the Wireless Phase II data delivered by the location technologies currently employed by the carriers.
To date in the United States, device-based hybrid location technology comes in two flavors: Hybridized Emergency Location (HELO) developed for Apple’s iPhone operating system and Emergency Location Service (ELS) developed for Google’s Android OS. Both technologies aggregate numerous data sources—e.g., the Global Positioning System (GPS), Bluetooth beacons, Wi-Fi hotspots, data from mapping/navigation applications, and activity-based apps—to deliver more-accurate location data, particularly indoors, for 911 calls made from smartphones.