Deep Reinforcement Learning-Based Content Placement and Trajectory Design in Urban Cache-Enabled UAV Networks

Table 2

Simulation parameters.

Notations	Descriptions	Value
	Time slot length	1 s
	Maximum speed of UAVs	40 m/s
	Altitude of UAVs	100 m
	Noise power spectral density	-174 dBm
	Total bandwidth of each UAV	1 MHz
	Environmental parameters(urban)	10, 0.15
	Additional path loss for LoS	2
	Additional path loss for NLoS	100
	Path loss exponent	2
,	Parameters of blade profile	580, 790
	Tip speed of the rotor blade	200
,	Parameters related to fuselage	0.79, 7.2