Low-altitude remote sensing and ground sensing data transmission optimization method and system
A data transmission optimization, low-altitude remote sensing technology, applied in the direction of advanced technology, climate sustainability, sustainable communication technology, etc., can solve the problem of limited communication data transmission rate between nodes, increasing the energy consumption of drones during working hours, and not considering the impact and other issues to achieve the effect of reducing battery consumption, shortening flight time and frequency, and reducing workload
Active Publication Date: 2019-11-05
SOUTH CHINA AGRI UNIV
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Problems solved by technology
[0004] The existing technology does not consider the impact of the data volume of the long-term monitoring data of the cultivated land quality ground nodes on the aggregation process
The flying speed of the UAV is fast, the effective communication range of the ground node is short, and the data transmission rate of the inter-node communication is limited. In addition, in the existing method, the head node needs to transmit the data of all nodes in the entire cluster, so it is very likely to It will appear that the existing methods cannot collect all the data accumulated in long-term monitoring in each round of flight, and need to fly multiple rounds to complete the aggregation of a large amount of data accumulated in long-term monitoring
This increases the working time of on-site sampling for cultivated land quality monitoring and the energy consumption of drones
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[0060] see figure 1 , figure 1 It is a schematic flowchart of a data transmission optimization method for low-altitude remote sensing and ground sensing in an embodiment of the present invention.
[0061] Such as figure 1 As shown, a data transmission optimization method of low-altitude remote sensing and ground sensing for cultivated land quality monitoring, the method includes:
[0062] S11: Calculate the maximum data transmission volume of each ground node based on the low-altitude remote sensing route and the position of the ground wireless sensor node;
[0063] In the specific implementation process of the present invention, the calculation of the maximum data transmission amount of each ground node based on the low-altitude remote sensing route and the position of the ground wireless sensor node includes: calculating the UAV based on the route data of the drone and the coordinate data of the ground node The flight path length of the effective communication range of ea...
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The invention discloses a cultivated land quality monitoring low-altitude remote sensing and ground sensing data transmission optimization method and system, and the method comprises the steps: calculating the maximum data transmission quantity of each ground node based on a low-altitude remote sensing route and the position of a ground wireless sensor node; performing classification based on themaximum data transmission quantity and the storage data quantity of each ground node to obtain classification nodes; performing close-range data transmission optimization on the assistance node and the demand node based on a polling data allocation-maximum residual energy routing algorithm; based on a greedy data distribution-maximum residual energy routing algorithm, performing middle-distance data transmission optimization on the assistance node and the demand node; and performing long-distance data transmission optimization on the assistance node and the demand node based on a greedy data distribution-diffusion path-finding algorithm. In the embodiment of the invention, the sampling flight time and frequency are reduced, and the data transmission efficiency and energy loss between ground nodes are optimized.
Description
technical field [0001] The invention relates to the technical field of data output and optimization, in particular to a data transmission optimization method and system for low-altitude remote sensing and ground sensing of cultivated land quality monitoring. Background technique [0002] The number and types of monitoring indicators for cultivated land quality monitoring are many. Although the conventional on-site investigation and laboratory analysis methods can obtain most of the cultivated land quality monitoring indicator data, the subjective impact of on-site investigation is large, and laboratory tests are time-consuming and laborious. If the ground long-term monitoring data and high spatial resolution low-altitude remote sensing data of the monitoring area can be obtained, new monitoring and analysis methods can be provided for the indicators of cultivated land quality monitoring, and more objective, convenient and efficient monitoring methods and methods can be provid...
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IPC IPC(8): H04W40/10H04W40/04H04W40/20H04W28/08
CPCH04W28/08H04W40/04H04W40/10H04W40/20Y02D30/70
Inventor 胡明月张飞扬陈联诚
Owner SOUTH CHINA AGRI UNIV