GNSS	Global Navigation Satellite System
GPS	Global Positioning System
NB-IoT	Narrowband Internet of Things
IMU	Inertial Measurement Unit
MCU	Microcontroller Unit
KNN	K-Nearest Neighbor
SVM	Support Vector Machine
CNN	Convolutional Neural Network
RNN	Recurrent Neural Network
APP	Application Program
BLE	Bluetooth Low Energy
PCB	Printed Circuit Board
LTE	Long-Term Evolution
SVM	Signal Vector Magnitude
SMS	Short Message Service