AirComp	Over-the-air computation
MIMO	Multiple-input multiple-output
IoT	Internet-of-Things
STA	Station (IoT sensor)
AP	Access point
CSI	Channel state information
MSE	Mean squared error
RAS	Receive antenna selection
SDR	Semi-definite relaxation
SCA	Successive convex approximation
MRT	Maximum-ratio transmission
IDC	International Data Corporation
ZB	Zettabytes
SIMO	Single-input multiple-output
NOMA	Non-orthogonal multiple access
MISO	Multiple-input single-output
BSS	Basic service set
AM	Amplitude modulation
AWGN	Additive white Gaussian noise
SNR	Signal-to-noise ratio
QCQP	Quadratically constrained quadratic programs