AI	Artificial Intelligence
AR	Augmented Reality
AS	Autonomous Systems
AI	Artificial Intelligence
AR	Augmented Reality
AS	Autonomous Systems
BBR	Bottleneck Bandwidth and Round-trip time
BSON	Binary JSON
CBOR	Concise Binary Object Representation
CoAP	Constrained Application Protocol
CNES	National Centre for Space Studies (French: Centre national d’études spatiales)
DTN	Delay-Tolerant Networking
ES	Earth Stations
ESA	European Space Agency
GEO	Geostationary Earth Orbit
GPS	Global Positioning System
GPU	Graphics Processing Units
GSL	Ground Satellite Links
HAP	High-Altitude Platforms
ICN	Information Centric Networking
IETF	Internet Engineering Task Force
IoT	Internet of Things
IMU	Inertial Measurement Units
IP	Internet Protocol
ISS	International Space Station
ISL	Inter-Satellite Links
JSON	JavaScript Object Notation
LAP	Low Altitude Platforms
LEO	Low-Earth Orbit
LoRa	Long-Range
LPWAN	Low-Power Wide-Area Network
M2M	Machine-to-Machine
MAC	Medium Access Control
MAP	Mid-Altitude Platforms
MEC	Mobile/Multi-access Edge Computing
MEO	Medium-Earth Orbit
ML	Machine Learning
MIMO	Multiple Input Multiple Output
mmWave	Millimetre-wave
MPTCP	Multi-path TCP
MTC	Machine Type Communications
MQTT	Message Queuing Telemetry Transport
NASA	National Aeronautics and Space Administration
NB-IoT	Narrowband-IoT
NDN	Named Data Networking
NFV	Network Function Virtualisation
OASC	Optimal AS Communication
OEC	Orbital Edge Computing
OPF-SN	Optimal Packet Forwarding of SN
OPF-TN	Optimal Packet Forwarding of TN
ORM	Optimal Resource Management
OSC	Optimal Spectrum Control
OMNI	Operating Missions as Nodes on the Internet
PTO	Proximal Terrestrial Offloading
PULSAR	Prototype of an Ultra Large Structure Assembly Robot
QoS	Quality of Service
QUIC	Quick UDP Internet Connections
RTO	Remote Terrestrial Offloading
SBO	Satellite-Borne Offloading
SCaN	Space Communications and Navigation
SAGIN	Space, Air, Ground Integrated Network
SDN	Software Defined Networking
SN	Space Network
SINR	Signal-to-Interference-Ratio
SSTIS	Self-organisation Satellite Terrestrial Integrated System
STIDC	Space and Terrestrial Integrated Data Centre
STIGW	Space and Terrestrial Integrated Gateway
TCP	Transmission Control Protocol
TN	Terrestrial Networks
UAV	Unmanned Aerial Systems
UDP	User Datagram Protocol