4G	Fourth Generation Cellular Network
5G	Fifth Generation Cellular Network
6G	Sixth Generation Cellular Network
BLE	Bluetooth Low Energy
DSRC	Dedicated Short Range Communications
DT	Document Type
GLONASS	Global Orbiting Navigation Satellite System
GNSS	Global Navigation Satellite System
GNU	GNU’s Not Unix
GPS	Global Positioning System
IEEE	Institute of Electrical and Electronics Engineers
IoMT	Internet of Medical Things
IoT	Internet of Things
IP	Internet Protocol
LLM	Large Language Model
LoRa	Long Range
LoRaWAN	Long Range Wide Area Network
LTE	Long-Term Evolution
MCP	Multiple Country Publications
MDPI	Multidisciplinary Digital Publishing Institute
MitM	Man in the Middle
NB-IoT	Narrowband Internet of Things
NFC	Near Field Communication
OSI	Open Systems Interconnection
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PUEA	Primary User Emulation Attack
QoS	Quality of Service
RAG	Retrieval-Augmented Generation
RF	Radio Frequency
RFID	Radio Frequency Identification
RTL-SDR	Realtek Software-Defined Radio
SCP	Single Country Publications
SDR	Software-Defined Radio
TC	Total Citations
TCP	Transfer Control Protocol
USRP	Universal Software Radio Peripheral
UWB	Ultra-Wideband
V2X	Vehicle-to-Everything