Reconfigurable Intelligent Surface-Aided AirComp for Large-Scale IoT Networks

Table 1

Comparison table of abbreviations.

Acronyms	Corresponding phrase
RIS	Reconfigurable intelligent surface
AirComp	Over-the-air computation
QCQP	Quadratic constrained quadratic programming
DC	Difference-of-convex
AO	Alternate optimization
WDA	Wireless data aggregation
MLT	Matrix lifting technology
IoT	Internet of things
SDP	Semidefinite programming problem