AI	Artificial Intelligence
SatCom	Satellite Communication
LEO	Low-Earth orbit
IoT	Internet of Things
ISS	International Space Station
IIS-LSTM	Iterative Input Selection—Long Short-Term Memory Network
CNN	Convolutional Neural Network
XGBoost	Extreme Gradient Boosting
LoRa	Long Range
CSS	Chirp spread spectrum
ACF	Autocorrelation coefficient function
LFM	Linear frequency modulation
AWGN	Additive white Gaussian noise
MIMO	Multiple-Input Multiple-Output
DNN	Deep neural network
GRU	Gated recurrent unit
RNN	Recurrent neural network
HAPS	high altitude platform station
DL	Deep learning
LPWAN	Low-Power Wide-Area Network
SGP4	Simplified General Perturbations-4
JPDA	Joint Probabilistic Data Association
TLE	Two Line Element File
MEO	medium Earth orbit
GEO	geostationary
SNR	signal-to-noise ratio
OFDM	Orthogonal Frequency Division Multiplexing
BPSK	Binary Phase Shift Keying
CPI	coherent processing interval
GPU	Graphics Processing Unit
CPU	Central Processing Unit