BB	baseband
CRLB	Cramér-Rao lower bound
FFT	Fast-Fourier transform
FMCW	frequency-modulated continuous-wave
LO	local oscillator
MMIC	transceiver
mmW	millimeter-wave
MOX	metal-oxide
MSE	mean square error
MUT	medium-under-test
NDIR	nondispersive infrared
PCB	printed circuit board
RF	radio frequency
RX	receiver
SNR	signal-to-noise ratio
TOF	time-of-flight
TX	transmitter
UWB	ultra-wideband
VNA	vector network analyzer