Unmanned aerial vehicle relay selection optimization method based on space channel state information

A state information and space channel technology, applied in radio transmission systems, transmission monitoring, emergency/dangerous communication services, etc., can solve the problem of low transmission capacity and achieve the effects of convenient deployment, flexibility and high reliability

Inactive Publication Date: 2020-01-10
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the object of the present invention is to provide a method for optimizing relay selection of unmanned aerial vehicles based on spatial channel state information, so as to solve the problem of low transmission capacity existing in the prior art

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  • Unmanned aerial vehicle relay selection optimization method based on space channel state information
  • Unmanned aerial vehicle relay selection optimization method based on space channel state information
  • Unmanned aerial vehicle relay selection optimization method based on space channel state information

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Embodiment Construction

[0045] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings: In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific examples described here are only used to explain the present invention, not to limit the present invention.

[0046] Considering the relative spatial position between the UAV and the source node and the destination node, it is applied to the communication system where the UAV is used as a relay. The UAV relay and control center can use microwave, millimeter wave and other types of radio wave coverage for greater transmission capacity. The system includes ground users (sending source node), control center (destination node) and multiple UAV relays in the air. UAV groups a...

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Abstract

The invention discloses an unmanned aerial vehicle relay selection optimization method based on space channel state information. Unmanned aerial vehicles are used as communication network relay nodes,the spatial positions of unmanned aerial vehicle relays relative to a ground source node and a destination node are different, meanwhile, the obtained instantaneous channel state information and theinfluence of large-scale fading are considered, and the relay nodes are selected to decode and forward the information of the source node by taking optimization of the system capacity as a target. Compared with a traditional cyclic scheduling scheme, the unmanned aerial vehicle relay selection optimization scheme provided by the invention has the advantages that the system capacity is remarkably improved, and the transmission reliability of an unmanned aerial vehicle emergency communication system is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to an optimization method for unmanned aerial vehicle relay selection based on spatial channel state information. Background technique [0002] As a communication platform, UAV has the advantages of simple system architecture, high speed and low delay compared with satellite communication platforms. It plays a very important role when the traditional wireless communication system on land is not easy to cover or the construction cost is too high. For example, in the case of traffic jams, power outages, and large-scale damage to communication lines caused by natural disasters, traditional mobile communications cannot completely solve these complex situations, which may cause huge economic losses and even casualties. It is particularly important to have a reliable wireless communication network to ensure communication transmission. [0003] The relay network...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04B17/309H04B17/382H04W4/90
CPCH04B7/18504H04B17/309H04B17/382H04W4/90
Inventor 朱佳邵桢邹玉龙
Owner NANJING UNIV OF POSTS & TELECOMM
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