CSI	Channel state information
DC	Direct current
DL	Downlink
FDD	Frequency division duplexing
LED	Light emitting diode
MIMO	Multiple-input multiple-outpout
MSE	Mean square error
MU-MISO	Multi-user multiple-input single-output
PD	Photo diode
RF	Radio frequency
SER	Symbol error rate
SNIR	Signal to noise plus interference ratio
SNR	Signal to noise ratio
SOCP	Second order cone programming
TDD	Time division duplexing
UL	Uplink
VLC	Visible light communication
w.r.t.	with respect to
ZF	Zero forcing