Joint Deployment and Power Optimization for UAV Relay in Multiuser Networks

Table 1

Notations.

Symbol	Description
	Location of UAV in time slot
	Distance between MD and UAV
	Maximum UAV speed
	Distance between UAV and BS
	LoS path loss
	NLoS path loss
	Probability of LoS connection
	Probability of NLoS connection
	Received power of the UAV from MD
	MD transmission power
	Noise variance
	UAV amplification coefficient for MD ’s signal
	Transmission power of UAV for MD ’s signal
	Maximum transmit power of the UAV
	Average path loss of UAV-BS transmission
	Average path loss of MD -UAV transmission
	Received power of the BS of MD ’s signal
	SNR of the MD -BS link
	Data rate of the MD -BS link
	Bandwidth