6G	Sixth-generation mobile communications
CP	Cyclic prefix
COS	Classical OFDM sensing
CCC	Cyclic cross-correlation
CRLB	Cramer–Rao lower bound
C-COS	CCC-based COS
CFAR	Constant false-alarm rate
DFT	Discrete Fourier transform
DFT-s-OFDM	DFT-spread OFDM
DCOS	Decimation-based COS
GA	Genetic algorithm
GLRT	Generalized likelihood ratio test
ML	Maximum likelihood
IDFT	Inverse DFT
ICI	Inter-carrier interference
IN	Interference-plus-noise
JCAS	Joint communications and sensing
MMR	Maximum measurable range
MMD	Maximum measurable Doppler
MIMO	Multiple-input and multiple-output
OTFS	Orthogonal time–frequency space
OFDM	Orthogonal frequency division multiplexing
PWD	Point-wise division
PWP	Point-wise product
RDM	Range–Doppler map
Rx	Receiver
SINR	Signal-to-interference-plus-noise ratio
SNR	Signal-to-noise ratio
Tx	Transmitter
VCP	Virtual CP