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Unmanned aerial vehicle uplink scheduling method for information flow QoS guarantee based on TD-LTE technology

A link scheduling and unmanned aerial vehicle technology, applied in the field of unmanned aerial vehicles, can solve problems such as researching transmission link scheduling strategies

Active Publication Date: 2016-09-28
贵州宇鹏科技有限责任公司
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AI Technical Summary

Problems solved by technology

[0006] At present, some literatures have carried out performance simulation evaluation on the 4G transmission link scheduling algorithm. However, the research on the 4G-based UAV communication system is still in its infancy, and there are few researches on the transmission link scheduling strategy specifically for it.

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  • Unmanned aerial vehicle uplink scheduling method for information flow QoS guarantee based on TD-LTE technology
  • Unmanned aerial vehicle uplink scheduling method for information flow QoS guarantee based on TD-LTE technology
  • Unmanned aerial vehicle uplink scheduling method for information flow QoS guarantee based on TD-LTE technology

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Embodiment Construction

[0054] The present invention is described in further detail below in conjunction with accompanying drawing:

[0055] see figure 1 , when the UAV needs to send the collected information flow back to the UAV control and management center through the TD-LTE public network or private network, the MAC layer is oriented to the QoS guarantee of various information flows on the small civilian UAV Uplink scheduling methods such as figure 2 As shown, the method consists of the information flow generation module, classification mapping module, scheduling module, and channel state detection module at the UAV communication terminal, as well as the wireless resource configuration module, channel state detection module, and information flow recovery module at the eNodeB. Cooperative implementation under the control of this signaling mainly includes the following steps:

[0056] 1) Information flow classification mapping:

[0057] The information flow generation module at the UAV communic...

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Abstract

The invention discloses an unmanned aerial vehicle uplink scheduling method for information flow QoS guarantee based on a TD-LTE technology. The method is cooperatively achieved by an information flow generation module, a classification mapping module, a scheduling module and a channel state detection module at an unmanned aerial vehicle communication terminal under the control of a plurality of signaling. The invention adopts a 4G communication network TD-LTE, and provides an unmanned aerial vehicle information flow classification mapping method and scheduling algorithm, which can provide differential transmission services for various kinds of information sent back to a control management center by an unmanned aerial vehicle during a flying process, and thus provides an effective link guarantee for reliable flying and high-quality information collection of the unmanned aerial vehicle.

Description

technical field [0001] The invention belongs to the technical field of unmanned aerial vehicles, and relates to a scheduling method, in particular to a small civil unmanned aerial vehicle uplink scheduling method based on TD-LTE technology and oriented to multiple stream QoS guarantees. Background technique [0002] Small civilian UAVs are simple in structure, small in size, and low in cost; their flight and maintenance costs are low, and they are not afraid of harsh environments; they are flexible in use, easy to carry, and do not require special airports and large ground equipment. It will gain a huge application market in the fields of natural disaster prevention and treatment, urban and rural construction and planning, scientific observation, public security and frontier defense. [0003] As one of the important subsystems, the UAV communication system is the key for the UAV to communicate with the control management center in real time, to feed back flight status and in...

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W72/54H04W72/21
Inventor 王高峰石钟磊陈婷高涛
Owner 贵州宇鹏科技有限责任公司
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