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Method and system for optimizing communication coverage of marine UAV

A coverage optimization, unmanned aerial vehicle technology, applied in wireless communication, radio transmission system, transmission system, etc.

Active Publication Date: 2020-09-25
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a NOMA-based method and device for optimizing the communication coverage of UAVs at sea, which is used to solve the defect in the prior art that the user terminal needs to manually switch the video output mode by pressing buttons, and realize the automatic switching of the video output mode

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  • Method and system for optimizing communication coverage of marine UAV
  • Method and system for optimizing communication coverage of marine UAV
  • Method and system for optimizing communication coverage of marine UAV

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Embodiment Construction

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0049] In order to solve at least one technical problem in the prior art, an embodiment of the present invention provides a method for optimizing communication coverage of a marine UAV. Such as figure 2 As shown, the method for optimizing communication coverage of marine drones generally includes the following steps.

[0050] Step S1, dividing ...

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Abstract

The embodiment of the invention provides an offshore unmanned aerial vehicle communication coverage optimization method and system, and the method comprises the steps: dividing a target sea area corresponding to an unmanned aerial vehicle into a plurality of areas, wherein each area comprises the same number of user terminals; performing power iteration on any region based on a non-orthogonal multiple access technology to enable the reachable data communication rates of the user terminals to be equal so as to obtain an optimal fair user rate in any region; and based on the optimal fair user rate, allocating the signal transceiving power of the unmanned aerial vehicle in each region to enable the reachable data communication rates of all user terminals in the target sea area to be equal. Under the condition of traditional average power distribution, the fairness problem in the NOMA system is more obvious than that in an OMA system (an orthogonal multiple access system), the fairness problem is effectively solved through a new power distribution scheme, and the communication quality of a far-end user with a poorer channel is effectively improved.

Description

technical field [0001] The invention relates to the technical field of coverage optimization in wireless communication, in particular to a method and system for optimizing communication coverage of a marine drone. Background technique [0002] In recent years, with the rapid development of maritime activities such as maritime tourism, marine industry and fishery, my country's marine economy is very active, and the demand for marine communication services from maritime user terminals is also increasing. Passengers and crew members on board need broadband Internet technology to meet their entertainment and communication needs. Industries such as marine fishing and resource mining need to use broadband communication to complete information management, upload data, and time-frequency monitoring. The existing maritime communication system mainly includes satellite communication and shore-based communication. The high delay and low rate of satellite communication are difficult t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W28/22H04B17/382H04B7/185
CPCH04B7/18506H04B7/18543H04B17/382H04W24/02H04W28/22Y02D30/70
Inventor 冯伟唐睿葛宁
Owner TSINGHUA UNIV
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