Unmanned aerial vehicle cellular communication multi-base-station data fusion method based on ordered circular queue

Abstract

The invention belongs to the technical field of unmanned aerial vehicle communication, and discloses an unmanned aerial vehicle cellular communication multi-base-station data fusion method based on anordered circular queue, which comprises the following steps: establishing hybrid base stations; constructing a cellular communication network by using the hybrid base stations; enabling a unmanned aerial vehicle to send a telemetry frame to the hybrid base station; selecting an active base station from the hybrid base stations; enabling the active base station to send a telemetering relay frame to a console; enabling the console to construct a plurality of ordered circular queues for the plurality of unmanned aerial vehicles; enabling the console to write the data into the ordered circular queues; enabling the console to read the data of the ordered circular queues; and enabling the console to write the data of all the telemetering relay frames into the ordered circular queues, and to perform reading operation on the data in all the ordered circular queues. According to the invention, the hybrid base station cellular communication architecture is utilized, the plurality of hybrid basestations transmit telemetry data to the unmanned aerial vehicle, and the ordered circular queues are utilized to perform data fusion, so that the packet loss rate of important data is reduced, and the time complexity of the system is reduced.

Description

technical field [0001] The invention belongs to the technical field of unmanned aerial vehicle communication, and in particular relates to a multi-base station data fusion method for unmanned aerial vehicle cellular communication based on an ordered circular queue. Background technique [0002] With the development of drone technology, drones are no longer simply used in film and television shooting, miniature selfies, etc., in agriculture, logistics, disaster relief, observing wild animals, monitoring infectious diseases, surveying and mapping, news reports, power inspections, etc. There are applications in various fields, and the problem of medium and long-distance UAV measurement and control has also attracted more and more attention. [0003] Due to the limitations of the communication system, ground communication networks (such as 4G, WiFi, etc.) cannot be applied to the field of UAV measurement and control. The channel modes currently used for UAV measurement and cont...

AI Technical Summary

Problems solved by technology

Most drones on the market use radio communication mode. The drone is connected to the console through a radio station. The disadvantage is that the communication distance is limited, generally not exceeding 50 kilometers, which cannot meet the measurement and control of medium and long-distance drones.

A small number of drones use satellite communication mode. The drones carry satellite terminals and are directly connected to the console through satellite channels. The disadvantage is that the drones themselves need to carry satellite terminals, which is expensive.

In addition, most of the satellite terminals are large in size and heavy in weight, and need to occupy the limited load capacity of the UAV; although a very small number of satellite terminals are small in size, their code rate is low, which cannot meet the needs of image transmission

[0004] In the process of UAV measurement and control, due to the uncertainty of the wireless channel, sometimes data packet loss may occur for the base station closest to the UAV, but the base station farther away from the UAV may successfully receive the telemetry data, causing unmanned Important data packets of drones are lost, which affects the quality of drone information transmission

At this stage, no unit or individual uses hybrid base station cellular communication for UAVs, and the corresponding multi-base station data fusion method for UAV cellular communication based on an ordered circular queue has never appeared.

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