DFL	Device-free localization
CS	Compressive sensing
MBCS	Multitask Bayesian compressive sensing
LBS	Location-based service
RF	Radio frequency
RTI	Radio tomographic imaging
CT	Computed tomography
SLMLU	Sparse localization approach with a mobile beacon based on LU decomposition
RIP	Restricted isometry property
LCS	Device-free localization based on compressive sensing
GMP	Greedy matching pursuit
E-HIPA	The energy-efficient framework for high-precision multi-target-adaptive device-free localization
OMP	Orthogonal matching pursuit
DR-DFL	Dictionary refinement based device-free localization
VEM	Variational expectation-maximization
RSS	Received signal strength
COTS	Commercial off-the-shelf
CSI	Channel state information
WSN	Wireless sensor networks
SVM	Support vector machine
LOS	Line-of-sight
OFDM	Orthogonal frequency division multiplexing
LASSO	Least absolute shrinkage and selection operator
BP	Basic pursuit
BCS	Bayesian compressive sensing
SNR	Signal-to-noise ratio