BLSTM	bi-directional long short-term memory
BN	batch normalization
CNN	convolutional neural network
CPU	central processing unit
CSI	channel state information
FN	false negative
FP	false positive
GPU	graphics processing unit
MIMO	multiple-input multiple-output
HAR	human action recognition
LSTM	long short-term memory
RNN	recurrent neural network
RSSI	received signal strength indicator
SDR	software defined radio
TP	true positive