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Unmanned aerial vehicle measurement and control cellular communication method based on DA-TDMA

A technology of cellular communication and UAV, which is applied in the field of UAV measurement and control cellular communication based on DA-TDMA, which can solve the problems of small UAV measurement and control range and high cost of satellite terminals, so as to increase the available load and avoid interference , the effect of increasing the total capacity

Active Publication Date: 2020-01-03
北京信成未来科技有限公司
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Problems solved by technology

[0006] In order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a DA-TDMA-based UAV measurement and control cellular communication method, which solves the problem that the UAV measurement and control range is too small in the radio communication mode through hybrid base station cellular communication. problem, which solves the problem of high cost of satellite terminals in satellite communication mode

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  • Unmanned aerial vehicle measurement and control cellular communication method based on DA-TDMA
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  • Unmanned aerial vehicle measurement and control cellular communication method based on DA-TDMA

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Embodiment Construction

[0059] This embodiment provides a DA-TDMA-based UAV measurement and control cellular communication method, such as Figure 4 shown, including the following steps:

[0060] S101, building M hybrid base stations B 0 , B 1 , B 2 ,...,B M-1 , and each hybrid base station is equipped with a base station antenna unit, and each UAV is equipped with a UAV antenna unit to realize communication between the hybrid base station and the UAV. The hybrid base station and the main control station can pass through any link Road communication, such as the use of relay satellites, 3G / 4G / 5G networks or optical fibers, to solve the communication between the UAV and the main console. Both the base station antenna unit and the UAV antenna unit include an omnidirectional antenna and a MIMO antenna, the omnidirectional antenna is used for transmitting telemetry and remote control data, and the MIMO antenna is used for transmitting video stream data. Each UAV and hybrid base station is equipped wi...

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Abstract

The invention discloses an unmanned aerial vehicle measurement and control cellular communication method based on DA-TDMA. The method comprises the following steps: establishing a hybrid base station;constructing a cellular communication network by using the hybrid base station; allocating a narrowband frequency band and a broadband frequency band to the cellular communication network; allocatinga downlink routing time slot and an uplink routing time slot to the unmanned aerial vehicle; enabling the hybrid base station to acquire a downlink routing time slot and an uplink routing time slot;in a downlink routing time slot stage, selecting a movable base station for the unmanned aerial vehicle; dynamically allocating available time slices to the unmanned aerial vehicle in an uplink and downlink routing protection time slot stage; in the uplink routing time slot stage, enabling the unmanned aerial vehicle to adjust the direction of an unmanned aerial vehicle antenna unit of the unmanned aerial vehicle; in the telemetering time slice, enabling the unmanned aerial vehicle to broadcast a telemetering frame signal; and enabling the movable base station to receive the telemetering frameand forward the telemetering frame to the main console. Through the time division multiple access technology, different unmanned aerial vehicles are distinguished by using different time slots and time slices, the interference between signals of each unmanned aerial vehicle is avoided, and the multiple access problem of an unmanned aerial vehicle measurement and control system is solved.

Description

technical field [0001] The invention belongs to the technical field of unmanned aerial vehicle communication, and in particular relates to a DA-TDMA-based unmanned aerial vehicle measurement and control cellular communication method. 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] The UAV measurement and control system includes UAV telemetry, video downlink and UAV remote control. UAV measurement and control is an important means to track and locate UAVs, monitor the working status of UAVs, obtain video data and remotely control UAVs. Thr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04J3/06H04W72/04
CPCH04B7/18506H04J3/0635H04W72/0446
Inventor 徐朝晖刘爽
Owner 北京信成未来科技有限公司
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