Acronym	Description
6G	Sixth-Generation
5G	Fifth-Generation
IoT	Internet of Things
SC	Smart City
AI	Artificial Intelligence
IaaS	Infrastructure as a Service
PaaS	Platform as a Service
M2M	Machine to Machine
RAT	Radio Access Technology
LTE	Long-Term Evolution
QoS	Quality of Service
ARMANS	Adaptive Real-time Multi-user Access Network Selection
E-ARMANS	Energy-aware ARMANS
TYDER	Network Traffic Type-based Differentiated Reputation
M-IoT	Multimedia-based IoT
ML	Machine Learning
MCS	Modulation and Coding Scheme
ALOW	Additive Logarithmic Weighting
GATH	Game Theory
ITU	International Telecommunication Union
ITS	Intelligent Transportation Systems
ETA	Estimated Time of Arrival
AQI	Air Quality Index
SBS-SVO	Smart Bus Stop–Social Virtual Object
MISSION	Mobility Services User Virtualization
SIoT	Social IoT
LPWANs	Low-Power Wide Area Networks
AR	Augmented Reality
VR	Virtual Reality
e2McH	Multi-Hop Communication Solution
QoE	Quality of Experience
RAN	Radio Access Network
SDN	Software-Defined Networking
NFV	Network Function Virtualization
ITU	International Telecommunication Union
IMT	International Mobile Telecommunications
FBMC	Filter Bank-based Multi-Carrier
UFMC	Universal-Filtered Multi-Carrier
NOMA	Non-Orthogonal Multiple Access
SCMA	Sparse Code Multiple Access
MIMO	Multiple-Input Multiple-Output
CF-mMIMO	Cell-Free massive MIMO
ESS	Energy Self-Sustainability
UAD	User Activity Detection
D2D	Device to Device
EPS	Evolved Packet System
GSMA	Groupe Speciale Mobile Association
ICT	Information and Communications Technology
OPEX	Operator Experience
UDN	Ultra-dense Network
CRAT	Context-aware Radio Access Technology
AHP	Analytical Hierarchical Process
TOPOSIS	Technique for Order of Preference by Similarity to Ideal Solution
OFDM	Orthogonal Frequency-Division Multiplexing
CRAN	Cloud RAN
LB	Load Balance
IAB	Industry Advisory Board
WRC	World Radiocommunication Conference
3CLS	Control Localization and Sensing
BCI	Brain–Computer Interface
LiDAR	Light Detection and Ranging
SLAM	Simultaneous Localization and Mapping
UAV	Unmanned Aerial Vehicle
BS	Base Station
MEC	Mobile Edge Computing
MEEC	Mobility-Enhanced Edge Computing
V2X	Vehicle-to-Everything
FSO	Free-Space Optical
BC	Blockchain
QC	Quantum Communication
CFC	Cell Free Communication
OW	Optical Wireless
DL	Deep Learning
IRS	Intelligent Reflecting Surface
RIS	Reconfigurable Intelligent Surface
mmWave	Millimeter Wave
CNNs	Convolutional Neural Networks
RNNs	Recurrent Neural Networks
DNN	Deep Neural Network
CAV	Connected and Autonomous Vehicle
BCT	BC Technology
QKD	Quantum Key Distribution
ACDQL	Actor–Critic Deep Q-Learning
RL	Reinforcement Learning
CIoDT	Consumer Internet of Drone Things
CHNN	Continuous Hopfield Neural Network
OLSR	Optimal Link-State Protocol
FANETs	Flying ad hoc Networks
V2I	Vehicle-to-Infrastructure
DT	Digital Twin
VN	Vehicular Network
LAC	Low-Altitude Computing
HAC	High-Altitude Computing
EMDC	Edge Micro Data Center
V2V	Vehicle-to-Vehicle