Research Article

On-Demanding Information Acquisition in Multi-UAV-Assisted Sensor Network: A Satisfaction-Driven Perspective

Table 1

Simulation parameters.

NotationPhysical meaningValue

Flight speed of UAVs20 m/s
Range of UAVs’ flight height100∼150 m
Range of data quantity collected from one target40∼80 Mbit
Communication bandwidth between GSs and UAVs2 MHz
Data transmission rate between and 4 Mbps
Data transmission rate between and the BS8 Mbps
Maximum flight duration of 600 s
The priority of user 1∼5
The amplification factor for users’ priority2
Energy consumption parameter of communication10 pJ/(m bit)
Height range of GSs0∼60 m
Additive white Gaussian noise (AWGN) power−174 dBm
Airfoil drag coefficient0.012
Weight of UAV20 N
Blade angular velocity300 rad/s
Rotor radius0.4 m
Tip speed of the rotor blade120 m/s
Mean rotor induced velocity in hovering4.03
Air density1.225 kg/
Rotor disc area0.503 
Fuselage resistance ratio0.6
Rotor solidity0.05
p0Transmit power of GSs5 mW
Power gain at the reference distance m−50 dB