API	Application Programming Interface
BLE	Bluetooth Low Energy
CAM	Cooperative Awareness Message
CAN	Controller Area Network
CAN DBC	CAN Database
CAV	Connected and Automated Vehicle
C-ITS	Cooperative Intelligent Transport Systems
CPM	Collective Perception Message
CPS	Collective Perception Service
DENM	Decentralized Environmental Notification Message
ECU	Electronic Control Unit
ETSI	European Telecommunications Standards Institute
GPS	Global Positioning System
GATT	Generic Atribute Protocol
GNSS	Global Navigation Satellite System
HD-Map	High-Definition Map
IoT	Internet of Things
IT	Instituto de Telecomunicações
ITS	Intelligent Transport Systems
ITS-S	ITS Station
IVIM	Infrastructure to Vehicle Information Message
LIN	Local Interconnect Network
LTE	Long Term Evolution
MQTT	Message Queuing Telemetry Transport
OBU	On-Board Unit
OBD-II	On-Board-Diagnostics II
OVSM	OBD-II’s Vehicular Sensor Message
RMSE	Root-Mean-Square Error
RWIS	Road Weather Information Systems
RWM	Road Weather Model
RWS	Road Weather Station
RSU	Roadside Unit
SPVSM	SmartPhone’s Vehicular Sensor Message
TCC	Traffic Control Center
USB	Universal Serial Bus
V2X	Vehicle-to-Everything
VAM	VRU Awareness Message
VAS	VRU Awareness Service
VSM	Vehicular Sensor Message
VRU	Vulnerable Road User