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Joint optimization method and system for full-duplex unmanned aerial vehicle relay system

A joint optimization and relay system technology, applied in radio transmission system, transmission system, duplex signal operation, etc., can solve communication security problems, communication process is vulnerable to illegal eavesdropping, etc., to achieve the effect of ensuring security

Active Publication Date: 2021-06-04
NANTONG UNIVERSITY
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, due to the openness of the wireless channel, the communication process is vulnerable to illegal eavesdropping, which leads to a series of communication security problems

Method used

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  • Joint optimization method and system for full-duplex unmanned aerial vehicle relay system
  • Joint optimization method and system for full-duplex unmanned aerial vehicle relay system
  • Joint optimization method and system for full-duplex unmanned aerial vehicle relay system

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Embodiment Construction

[0058] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0059] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0060] figure 1 It is a schematic diagram of the structure of the UAV relay communication system.

[0061] see figure 1 , the UAV relay communication system includes a source node S, a sink node D, a UAV relay n...

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Abstract

The invention discloses a joint optimization method and system for a full-duplex unmanned aerial vehicle relay system. The method comprises the following steps: taking the maximum secrecy rate as a target, and taking the transmitting power of an information source node in each time slot, the transmitting power of an unmanned aerial vehicle relay node in each time slot, distance information and position information as constraint conditions; dynamically adjusting the transmitting power of the information source node, the transmitting power of the unmanned aerial vehicle relay node, the horizontal flight path of the unmanned aerial vehicle and the flight height of the unmanned aerial vehicle, and maximizing the system secrecy rate under the condition that the position of an eavesdropping node is known. According to the invention, the secrecy rate of the relay communication system is maximized, so that the communication security is ensured.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a joint optimization method and system for a full-duplex unmanned aerial vehicle relay system. Background technique [0002] With the advent of the 5G era, wireless communication technology will also play an increasingly important role. However, due to the openness of the wireless channel, the communication process is vulnerable to illegal eavesdropping, which leads to a series of communication security problems. In order to ensure the security performance of the communication system, the physical layer security technology has received more and more attention. [0003] In recent years, drones have gradually become a good choice to supplement ground communications due to their advantages of flexibility, convenience, and ease of deployment. As a terminal, UAVs participate in communication tasks, can be deployed quickly and flexibly, and provide communication servic...

Claims

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Application Information

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IPC IPC(8): H04B7/185H04L5/14
CPCH04B7/18506H04L5/14Y02D30/70
Inventor 吉晓东叶澍
Owner NANTONG UNIVERSITY
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