LTE	Long Term Evolution
ADC	analog-to-digital
PBiGAMP	Parameteric bilinear generalized approximate message passing
OFDM	orthogonal frequency division multiplexing
SC	single-carrier
FDE	frequency domain equalization
GAMP	generalized approximate message passing
VAMP	vector approximate message passing
MIMO	multiple input multiple output
PCSI	perfect channel state information
FFT	fast Fourier transform
pdf	probability density function
pmf	probability mass function
VGA	variable gain amplifier
AGC	automatic gain control
RF	radio frequency
BP	belief propagation
SPA	sum-product algorithm
MSE	mean square error
AWGN	additive white Gaussian noise
GMM	Gaussian mixture model
SISO	soft-input and soft-output
LDPC	low-density parity-check
MMSE	minimum mean square error
LMMSE	linear minimum mean square error
BER	bit error rate
NMSE	normalized mean square error