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. 2018 Sep 30;18(10):3292. doi: 10.3390/s18103292
AS average shadowing
AWGN additive white Gaussian noise
CDF cumulative distortion function
CEEs channel estimation errors
CSI channel state information
CSTRN cognitive satellite-terrestrial relay networks
DF decode-and-forward
EVM error vector magnitude
FHS frequent heavy shadowing
HIs hardware impairments
HPA high power amplifier
ILS infrequent light shadowing
IQI in-phase quadrature-phase imbalance
LOS line of sight
MC Monte Carlo
MMSE minimum mean square error
OP outage probability
PDF probability distribution function
PN phase noise
PUs primary users
SER symbol error rate
SNDER signal-to-noise-plus-distortion-and-error ratio
SNR signal-to-noise-ratio
SR shadowed Rician
STRN satellite-terrestrial relay network