Data transmission method based on unmanned aerial vehicle cooperation
A data transmission method and data transmission technology, applied in the field of data transmission based on UAV cooperation, can solve problems such as difficult to achieve network performance optimization, less joint consideration of IoT devices, etc.
Inactive Publication Date: 2021-01-08
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology
[0003] At present, there are literatures that study the data transmission of IoT devices. For example, there are literatures that study UAV assisting IoT devices to perform data transmission, jointly optimize UAV deployment and wireless resource allocation, so as to maximize the number of IoT devices served by UAVs; for example, there are The literature proposes a resource allocation scheme based on the minimization of the data transmission delay of IoT devices; the existing research rarely considers the impact of IoT device clustering and multiple UAV cooperative data transmission on network costs, and it is difficult to achieve network performance optimization
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[0046] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.
[0047] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...
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The invention relates to a data transmission method based on unmanned aerial vehicle cooperation, and belongs to the technical field of wireless communication. The method comprises the following steps: step 1) modeling a cluster head selection variable; 2) modeling an association variable of Internet of Things equipment and a cluster head; 3) modeling the total energy consumption of data transmission in the cluster; 4) modeling Internet of Things equipment, and selecting a variable by a cluster head transmission mode; 5) modeling energy consumption corresponding to the transmission mode of thebase station; 6) modeling energy consumption corresponding to the UAV transmission mode; 7) modeling energy consumption corresponding to the UAV cooperative transmission mode; 8) modeling UAV deployment cost; 9) modeling the total cost of the network; 10) modeling Internet of Things equipment clustering, transmission mode selection and data transmission limiting conditions; and 11) determining aUAV deployment and data transmission strategy based on network cost minimization. According to the invention, the data transmission performance is optimized and the total cost of the network is minimized on the premise of ensuring that the Internet of Things equipment meets the minimum rate requirement.
Description
technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a data transmission method based on UAV cooperation. Background technique [0002] In recent years, Unmanned Aerial Vehicle (UAV) has been widely used in many fields. In particular, due to the flexibility and mobility of UAVs, using UAVs as relays and air base stations in wireless communication systems can effectively improve system coverage and capacity. In addition, with the rapid development of the Internet of Things, the number of Internet of Things devices has increased significantly, and a large number of Internet of Things devices are distributed in different regions, which can sense and collect data, and then transmit it to the base station. In order to improve the transmission performance of IoT devices, UAVs can be deployed as relays between IoT devices and base stations to improve data transmission performance. [0003] At present, there are literatures ...
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IPC IPC(8): H04W24/02H04W24/06H04W28/02
CPCH04W24/02H04W24/06H04W28/0221
Inventor 柴蓉赵兰馨梁承超陈前斌
Owner CHONGQING UNIV OF POSTS & TELECOMM