Joint Optimization in Intelligent Reflecting Surface-Aided UAV Communication for Multiaccess Edge Computing

Table 1

Main notations.

Notation	Definition
	UE antennae vector
	IRS position vector
	BS position vector
	Number of IRS element
	Distance between UE and IRS
	Distance between IRS and BS
	Rician factor
	UE-IRS channel matrix
	IRS-BS channel matrix
los	Channel matrix LOS exponent
nlos	Channel matrix NLOS exponent
	Distance between UE th antenna and IRS th element
	Distance between BS th antenna and IRS th element
	UE-BS virtual link channel matrix
	Free-space path loss
	Distance between UE antenna and IRS plane
	Distance between BS antenna and IRS plane
	Reflection coefficient matrix
	Reflection amplitude of the th element
	Phase shift of the th IRS element
	Bandwidth
	Noise power
	Input covariance matrix
	Transmission rate of UE
	Data size of computation task
	Data size of local execution
	Data size of edge server execution
	Workload of computation task
	Delay of the local execution
	Delay of the computation offloading