The glossary contains terms and acronyms that are used in this document.
Angle of Arrival (AoA)
The relative direction at which a propagating RF wave that was transmitted using an
antenna array is incident on another antenna.
AoA
Angle of Departure (AoD)
The relative direction from which a propagating RF wave that was transmitted using an
antenna array is incident on another antenna.
AoD
Constant Tone Extension (CTE)
A field with a constantly modulated series of unwhitenened 1's.
CTE
General-Purpose Input/Output (GPIO)
A digital signal pin that can be used as input, output, or both. It is uncommitted and can be controlled by the user at runtime.
GPIO
Protocol Data Unit (PDU)
Information transferred as a single unit between peer entities of a computer network
and containing control and address information or data. PDU mode is one of the two ways of
sending and receiving SMS messages.