WSN node deployment method for precise agriculture

A technology of precision agriculture and node deployment, which is applied in the field of agricultural information to achieve the effects of energy saving, low network energy consumption, and extended network life

Inactive Publication Date: 2013-10-09
EAST CHINA JIAOTONG UNIVERSITY
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Problems solved by technology

However, this method only gives the expected node density that needs to be deployed in different regions under random deployment, and cannot provide an effective node deployment method for a given number of nodes

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  • WSN node deployment method for precise agriculture
  • WSN node deployment method for precise agriculture
  • WSN node deployment method for precise agriculture

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specific Embodiment approach

[0028] In this embodiment, according to the area of ​​farmland, a WSN node deployment topology diagram for precision agriculture is designed. The WSN node deployment topology is as follows figure 1 As shown, ① indicates the first-level fixed cluster head, ② indicates the second-level non-fixed cluster head, and ③ indicates the WSN sensor node.

[0029] Such as figure 2 As shown, according to the WSN node deployment topology diagram for precision agriculture, formulate a structural block diagram of WSN node deployment for precision agriculture, showing the area covered by each first-level fixed cluster head; the connection between the first-level fixed cluster head and the sink node In this way, each first-level fixed cluster head has a solar panel.

[0030] Such as image 3 Shown is the specific structure diagram of the first-level fixed cluster head, where a represents the solar panel, b represents the power controller, c represents the supporting pole, d represents the s...

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Abstract

Provided is a wireless sensor network (WSN) node deployment method of precise agriculture. According to the method, a network is divided into cluster heads of two stages, the whole WSN network is composed of a plurality of first-stage fixed cluster heads (1), a plurality of second-stage cluster heads (2), a plurality of sensor nodes (3) and a Sink node. The first-stage fixed cluster heads are of a bus type topology structure, are distributed sequentially, and finally are connected with the Sink node. Each fixed cluster head is connected with the second-stage non-fixed cluster heads, each second-stage non-fixed cluster head is connected with the sensor nodes, and power of the first-stage fixed cluster heads and the Sink node is supplied by solar energy. The second-stage non-fixed cluster heads receive information collected by the sensor nodes in the coverage area of the second-stage non-fixed cluster heads, and first-time data fusion is carried out. The fixed cluster heads receive data after non-fixed cluster head fusion in the coverage area of the fixed cluster heads, second-time data fusion is carried out, and the data are uploaded to the Sink node one by one. The method has the advantages of being low in network energy consumption, high in reliability, little in delay property, strong in flexibility and the like, and is suitable for WSN node deployment of the precise agriculture.

Description

[0001] technical field [0002] The invention relates to a WSN node deployment method for precision agriculture, belonging to the field of agricultural information technology. Background technique [0003] A wireless sensor network (WSN) is a wireless network composed of a large number of stationary or mobile sensor nodes in a self-organizing or multi-hop manner, with the purpose of cooperatively sensing, collecting, processing and transmitting monitoring information of sensing objects in the network coverage area. and report to the user. [0004] Precision agriculture uses timely and accurate acquisition of farmland environmental information such as soil parameters, microclimate, water environment, and crop seedling growth. The application of new wireless sensor network (WSN) technologies provides integrated real-time collection, transmission, processing, and analysis of farmland environmental information. solution. Node deployment is a basic problem in the applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W52/02H04W84/18
CPCY02D30/70
Inventor 朱路刘媛媛黄德昌赵文涛陈素华刘江锋蔡祥贵潘泽中
Owner EAST CHINA JIAOTONG UNIVERSITY
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