RFID	Radio Frequency Identification
RF	Radio Frequency
RSSI	Received Signal Strength Indicator
CSI	Channel State Information
FMCW	Frequency-Modulated Continuous Wave
USRP	Universal Software Radio Peripheral
DWT	Discrete Wavelet Transform
PIU	Path Information Unit
UHF	Ultra-High Frequency
RSS	Received Signal Strength
V	Velocity
HMM	Hidden Markov Model
IoT	Internet of Things