UAV	Unmanned Aerial Vehicle
GNSS	Global Navigation Satellite System
UWB	Ultra-Wideband
IMU	Inertial Measurement Unit
LOS	Line-of-Sight
wLOS	Weak Line-of-Sight
NLOS	Non-Line-of-Sight
VIO	Visual-Inertial Odometry
SLAM	Simultaneous Localization and Mapping
GDOP	Geometric Dilution of Precision
G-GDOP	Generalized Geometric Dilution of Precision
FIM	Fisher Information Matrix
EFIM	Equivalent Fisher Information Matrix
CRLB	Cramér–Rao Lower Bound
RMSE	Root Mean Square Error
MDS	Multidimensional Scaling