The invention relates to an unmanned aerial vehicle assisted mixed
data acquisition method, and belongs to the field of unmanned aerial vehicle assisted
wireless communication. According to the method, the capability of communication between the
base station and the nearby ground nodes is fully considered, the unmanned aerial vehicle is used as the mobile
base station, and the unmanned aerial vehicle and
base station mixed
data acquisition method is constructed. The method comprises the following steps: firstly, decomposing a mixed
data acquisition system into an unmanned aerial vehicle assisted data acquisition subsystem and a base
station direct acquisition subsystem; secondly, by taking minimization of the maximum
task completion time of the two subsystems as a target, establishing an
optimization problem of the
system, and solving the
optimization problem; and for a data acquisition subsystem assisted by the unmanned aerial vehicle, the
flight speed, trajectory and ground node transmitting power of the unmanned aerial vehicle are jointly optimized, so that the overall
task completion time of the unmanned aerial vehicle is minimized, and the data acquisition efficiency is improved. Various communication resources are fully utilized, the method is practical and efficient,
field data can be timely and effectively collected, and the method is suitable for occasions such as fire monitoring and
emergency rescue.