Glossary of Terms

Understand basic Public Safety definitions and terms.

OTDOA

Definition:

Observed Time Difference Of Arrival. Technique to determine location of User Equipment (UE).

Erlang

A measure of traffic intensity in a telecommunications system or network. One Erlang is one fully occupied traffic path. It is one traffic path...

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Presence

Presence, or presence information, conveys the ability and willingness of a user to communicate with other users on a network, across a set of...

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InterLATA

A term used to describe services, revenues, and functions that relate to telecommunications originating in one LATA and terminating in another LATA...

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Cell Sector or Cell Face

An area consisting of a certain portion or all of the total coverage area of a cell site. One face of a cell antenna, typically three‐sided, that...

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