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A data distribution-oriented joint optimization method for UAV flight trajectory and resource scheduling

A technology for flight trajectory and resource scheduling, applied in combustion engines, internal combustion piston engines, wireless communications, etc., can solve the problems of wide distribution of ground nodes, inability to guarantee node network connectivity, and difficulty in applying data distribution methods to achieve the terrain environment. Insensitive to factors, strong adaptability, flexible and efficient deployment

Active Publication Date: 2020-10-30
ARMY ENG UNIV OF PLA
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Problems solved by technology

[0006] Aiming at the problem that the existing data distribution method is difficult to apply to the wide distribution of ground nodes and the connectivity of the node network cannot be guaranteed, this invention proposes a method based on UAV data distribution

Method used

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  • A data distribution-oriented joint optimization method for UAV flight trajectory and resource scheduling
  • A data distribution-oriented joint optimization method for UAV flight trajectory and resource scheduling
  • A data distribution-oriented joint optimization method for UAV flight trajectory and resource scheduling

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Embodiment

[0096] Example: A specific embodiment of the present invention is described as follows, the system simulation adopts Matlab software, and the solution of the optimization problem adopts CVX software package. The following embodiments examine the effectiveness of the data distribution-oriented joint optimization method for UAV flight trajectory and resource scheduling designed in the present invention.

[0097] In this example, if figure 2 As shown, the drone flies in the air and distributes data to the ground nodes. In the simulation, consider that K=5 ground nodes are randomly distributed in such as image 3 The size shown is within a square area of ​​1000m x 1000m. The flying height of the UAV is H=100m, and the initial and final positions of the flight are respectively set to q I = [0,0] and q F =[1000,1000]. Considering that the maximum transmission power of the UAV is P max =30dBm, the available channel bandwidth is B max = 1MHz, the energy consumption budget of...

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Abstract

The invention proposes a data distribution-oriented joint optimization method of UAV flight trajectory and resource scheduling. Modeling of optimization problems based on UAV data distribution; Analysis and derivation of optimization problems; Fix UAV flight trajectory, update UAV resource scheduling; Fix UAV transmission power, update UAV flight status; UAV flight Joint optimization of trajectory and resource scheduling. The invention can effectively solve the problem of data distribution when the ground nodes are widely distributed and the connectivity of the node network cannot be guaranteed; the flight characteristics of the UAV can be used to improve the communication link and improve the spectrum utilization rate in the UAV data distribution process , realize the energy-saving flight of UAV, and obtain the improvement of data distribution performance.

Description

technical field [0001] The invention belongs to the field of cognitive radio and unmanned aerial vehicle communication of wireless communication technology, and in particular relates to a data distribution-oriented joint optimization method for unmanned aerial vehicle flight trajectory and resource scheduling. Background technique [0002] In recent years, with the development of UAV technology, UAV communication has received more and more attention. On the one hand, the popularity of multimedia services has led to a sharp increase in the volume of wireless communication services. Traditional cellular communications are facing severe challenges, and it is difficult to meet the higher requirements of mobile terminals for service quality and service experience; on the other hand, due to their inherent It can be used as a wireless communication platform in the air, which can not only make up for the lack of wireless communication on the ground, but also independently provide th...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/029H04W4/42H04W72/04H04W72/12
CPCH04W4/029H04W4/42H04W72/0473H04W72/542Y02D30/70Y02T10/40
Inventor 王金龙薛震丁国如徐煜华黄斐
Owner ARMY ENG UNIV OF PLA
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