Overview of the FCC Requirements and the MNO's Responsibility
In 2015, the Federal Communications Commission (FCC) launched new location accuracy metrics (horizontal and vertical) for callers contacting the E911 emergency line through a wireless phone, particularly in indoor environments. Motivated by the requirements imposed by the FCC on Mobile Network Operators (MNOs), The 3rd Generation Partnership Project (3GPP) Release 13 conducted a study (TR 37.857 V13.1.0) to assess the performance and accuracy of the positioning mechanisms available in Long Term Evolution (LTE). As a result of the study, 3GPP concluded that existing positioning mechanisms (prior to 3GPP Release 13) can satisfy the 80% positioning accuracy requirement of 50 Meters (m) in the horizontal axis. However, new positioning methods were required to target the indoor positioning needs (TS 36.305 v13.0.0), namely Wireless Local Area Network (WLAN), Terrestrial Beacon System, Bluetooth, and Barometric sensor methods.
The FCC requested that, by April 2021, MNOs should not only provide tighter metrics in the horizontal axis (50 m accuracy for …
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