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A Relay Transmission Selection Method for UAV Swarm Network Based on Energy Efficiency

A cluster network and energy efficiency technology, applied in radio transmission systems, network topology, transmission systems, etc., can solve the problems of poor relay selection structure stability, large energy consumption of UAV clusters, etc., to achieve stable selection structure and extended execution. task time, the effect of improving robustness

Active Publication Date: 2021-02-12
ARMY ENG UNIV OF PLA
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Problems solved by technology

However, limited by the power of airborne equipment, UAV communication often needs to be relayed and forwarded. In a dynamic environment, the system relay selection structure in the entire UAV swarm network has poor stability, and the UAV swarm Problems such as high energy consumption

Method used

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  • A Relay Transmission Selection Method for UAV Swarm Network Based on Energy Efficiency
  • A Relay Transmission Selection Method for UAV Swarm Network Based on Energy Efficiency
  • A Relay Transmission Selection Method for UAV Swarm Network Based on Energy Efficiency

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Embodiment 1

[0057] The validity of the present invention is verified through a simulation example below.

[0058] Set the simulation scenario as follows: the number of ordinary UAVs is 25, the number of relay UAVs is 6, the link bandwidth is [6, 10, 15, 20, 25, 32] MHz, the data transmission rate is 1 Mbit / s, and the noise power is -130 dB; ; There is no particularity in this parameter setting, it can be any traffic value, and can correspond to any application business, and has no decisive influence on the access technology itself in this study. Simulation stop condition: The relay selection strategy of each UAV is no longer changed.

[0059] image 3 The results show that the method proposed by the present invention can effectively realize the convergence of the relay selection strategies of each UAV, that is, the energy consumption of the system tends to be stable, and a stable relay structure can be formed. Compared with the traditional optimal response learning algorithm, the method...

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Abstract

The invention discloses an energy efficiency-oriented unmanned aerial vehicle cluster network relay transmission selection method. The method comprises the steps that unmanned aerial vehicle cluster network relay transmission selection initialization setting is carried out; unmanned aerial vehicle cluster network state information is obtained, and profits of each user are computed; user policy iteration and updating are carried out, specifically, the users for carrying out policy updating are randomly selected, the users for carrying out the policy updating select new relay selection policiesaccording to policy updating rules, other users keep original relay selection polices unchanged, and continuous iteration is carried out until the relay selection polices of all users are no longer changed; the users carry out data transmission according to selected relay nodes; and when data required by a network relay transmission selection algorithm is changed, unmanned aerial vehicle cluster network relay transmission selection is carried out again. According to the method, the robustness of an unmanned aerial vehicle cluster network relay transmission system is improved, system energy consumption is reduced, and time for an unmanned aerial vehicle cluster to perform tasks is prolonged.

Description

technical field [0001] The invention relates to the technical field of wireless communication networks, in particular to an energy efficiency-oriented relay transmission selection method for a UAV cluster network. Background technique [0002] Due to its platform miniaturization, function distribution, system intelligence, strong system survival, low system cost, easy deployment, and flexible use, UAV clusters are easy to take advantage of the number and scale, and realize cluster reconnaissance, strike, interference and other functions. It can be applied to combat missions such as anti-terrorism, defense penetration, and escort. It is regarded by various military powers in the world as a model for future unmanned operations, and has attracted the attention of national defense, industry, and academia. All countries are scrambling to research and release the prototype system of UAV swarm test, vying for the commanding heights of the research. [0003] To take advantage of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/40H04W40/22H04W40/24H04W40/32H04W84/08H04B7/185
CPCH04B7/18504H04W40/22H04W40/248H04W40/32H04W84/08H04W4/40Y02D30/70
Inventor 姚昌华王磊贾永兴倪明放徐煜华孟俊烨
Owner ARMY ENG UNIV OF PLA
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