Unmanned aerial vehicle system based on variable message format data link and communication method

A message format, drone technology, applied in the field of drone communication

Pending Publication Date: 2022-02-18
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

The authorized patent "method and device for controlling unmanned aerial vehicles to access the network" (publication number: CN108702203A), discloses a method and device for controlling unmanned aerial vehicles to access the network, mainly including two communication modules, the first communication module It is u

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  • Unmanned aerial vehicle system based on variable message format data link and communication method
  • Unmanned aerial vehicle system based on variable message format data link and communication method
  • Unmanned aerial vehicle system based on variable message format data link and communication method

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Embodiment Construction

[0055] 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.

[0056] The present invention provides a UAV communication system based on variable message format data link, such as figure 2 As shown, the system includes a human-computer interaction module, a message generation module, a segmentation / reassembly module, a sending module, a receiving module and a message analysis module, wherein:

[0057] The human-computer interaction module includes a message input unit and a message display unit: the message input unit is...

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Abstract

The invention belongs to the field of unmanned aerial vehicle communication, and relates to an unmanned aerial vehicle system based on a variable message format data link and a communication method. The system comprises a man-machine interaction module, a message generation module, a segmentation/recombination module, a sending module, a receiving module and a message analysis module. Data element extraction and data element dictionary query are carried out on a message needing to be sent, so that the function domain to which the message belongs, the message number and the message content are obtained, a binary message is generated according to the function domain to which the message belongs, the message number and the message content, the length of the message is changed along with the size of useful information, the data sending amount is reduced, and limited bandwidth resources are saved. In addition, a UDP protocol is adopted for transmission, and a segmentation/recombination mechanism and a retransmission confirmation mechanism are added, so that the transmission reliability is ensured.

Description

technical field [0001] The invention belongs to the field of unmanned aerial vehicle communication, and relates to an unmanned aerial vehicle system and a communication method based on a variable message format data link. Background technique [0002] With the development of science and technology and the improvement of living standards, drones have gradually expanded from military use to civilian use, and are becoming more and more common in daily life. Different from military UAVs, due to the limitations of radio frequency bands and communication equipment, most civilian UAVs use a dedicated remote control for flight control. The control method is single and the distance is limited. Communication during UAV flight Quality is also easily affected by houses, trees. In addition, when UAVs on different platforms communicate, due to the different message formats, they may not be able to read each other's messages correctly; therefore, if the two parties want to communicate, th...

Claims

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Application Information

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IPC IPC(8): H04L49/9057H04L69/22H04L69/164H04L69/329
CPCH04L49/9057H04L69/22H04L69/164H04L69/329
Inventor 余翔褚轩郝圣强
Owner CHONGQING UNIV OF POSTS & TELECOMM
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