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Farmland wireless sensor network and communication method

A wireless sensor and network communication technology, applied in wireless communication, network topology, network planning, etc., can solve problems such as farmland wireless sensor network cascading failure, and achieve the effects of preventing premature death, low energy consumption, and balanced energy consumption

Active Publication Date: 2020-06-16
HENAN UNIV OF SCI & TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a farmland wireless sensor network and a communication method to solve the problem that the farmland wireless sensor network is prone to cascade failure and improve the environmental adaptability and survivability of the farmland sensor network

Method used

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  • Farmland wireless sensor network and communication method
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  • Farmland wireless sensor network and communication method

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] Method example:

[0033] The specific implementation of the anti-cascade failure farmland wireless sensor network communication method of the present invention includes the following steps:

[0034] 1. Node deployment.

[0035] (1) In the farmland area to be monitored, first determine the deployment area of ​​the aggregation node (the base station that collects data) and other sensor nodes (or other wireless nodes with relay functions), such as figure 1 As shown, the aggregation node 10 is set in the middle of the area to be monitored, and the monitoring area around the aggregation node is divided into five layers as node areas, including the first layer node area 101, the second layer node area 102, and the third layer node area 103, the fourth-layer node area 104, the fifth-layer node area 105, these five-layer node areas are deployment areas for s...

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Abstract

The invention relates to a farmland wireless sensor network and a communication method, and belongs to the technical field of wireless sensors. The wireless network comprises a collection node locatedin the center of a communication area and sensor nodes around the collection node; a plurality of layers of annular regions are formed around the collection node; the sensor nodes are distributed ineach annular region; during networking, a first communication channel is established between the sensor node in the innermost annular region and the collection node, and a first communication channelis established between the sensor nodes in other annular regions and at least one sensor node in the adjacent inner annular region; a second communication channel is established between each sensor node and at least one sensor node in the annular region where the sensor node is located; after obtaining the data, each sensor node transmits the data through the first communication channel at a firstset probability and transmits the data through the second channel at a second set probability; if one communication channel fails, data is transmitted through the other communication channel; the first set probability is greater than the second set probability.

Description

technical field [0001] The invention relates to a farmland wireless sensor network and a communication method, belonging to the technical field of wireless sensors. Background technique [0002] Due to the influence of the production organization, the farmland wireless sensor network presents different characteristics in terms of network topology and information transmission mode: (1) There are many interference factors in the process of farmland operations, and the farmland environment is gradually changing, the network deployment range is large, and the deployment density is small , it is necessary to introduce relay nodes and perform hierarchical clustering. Factors such as dynamic heterogeneity and chain directed transmission make the dynamic uncertainty of network behavior significantly increase, which makes farmland wireless sensor networks show obvious topology variability; (2 ) Large-scale farmland monitoring areas require node collaborative monitoring, and it is ine...

Claims

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Application Information

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IPC IPC(8): H04W4/38H04W16/18H04W40/02H04W40/04H04W84/18
CPCH04W4/38H04W16/18H04W40/02H04W40/04H04W84/18
Inventor 王俊杜壮壮张亚丹刘晓航朱旭张海洋张瑞红
Owner HENAN UNIV OF SCI & TECH
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