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Industrial wireless communication method based on IEEE802.15.4

A technology of industrial wireless communication and industrial wireless network, which is applied in the direction of wireless communication, wireless network protocol, sustainable communication technology, etc., to achieve the effect of improving reliability, improving compatibility and protecting existing investment

Inactive Publication Date: 2010-06-23
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, it is necessary to design a special-purpose industrial monitoring application based wireless communication method based on IEEE802.15.4, but the above-mentioned required wireless communication method has not yet been reported.

Method used

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  • Industrial wireless communication method based on IEEE802.15.4
  • Industrial wireless communication method based on IEEE802.15.4
  • Industrial wireless communication method based on IEEE802.15.4

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Embodiment Construction

[0064] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0065] The inventive method comprises the following steps:

[0066] Build various devices in the industrial wireless network into a mesh and star hybrid topology;

[0067] Establish an industrial wireless communication protocol stack model based on IEEE 802.15.4;

[0068] Define the superframe structure based on IEEE 802.15.4 based on the above topology and protocol stack model;

[0069] Define the frame structure based on the above protocol stack model;

[0070] The industrial wireless communication process is realized based on the protocol stack model and the superframe structure and frame structure.

[0071] The present invention adopts such as figure 1 The mesh and star (mesh+star) hybrid topology is shown, which has two layers:

[0072] The first layer is a mesh network, which is composed of routing device nodes, gateway device nodes and host comput...

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Abstract

The invention relates to an industrial wireless communication method based on IEEE802.15.4, comprising the following steps: building various devices in the industrial wireless network into web-and-star-shaped mixed topological structure; establishing an industrial wireless communication protocol stack model based on the IEEE802.15.4; defining a superframe structure based on the IEEE802.15.4 based on the topological structure and the protocol stack model; defining a frame structure based on the protocol stack model; realizing industrial wireless communication process based on the protocol model, the superframe structure and the frame structure. In the method of the invention, the web-and-star-shaped mixed topological structure is adopted, and the star-shaped structure simplifies network structure, reduces maintenance and management difficulty and improves system flexibility; the web structure is adopted to improve network reliability; the advantages of the IEEE802.15.4 are fully made use of to improve system compatibility, protect existing investment and meet industrial application requirements by expansion.

Description

technical field [0001] The present invention relates to wireless communication technology, specifically an industrial wireless communication method based on IEEE 802.15.4. Background technique [0002] Compared with wired networks, wireless networks have the characteristics of no wiring, easy maintenance, high flexibility, and fast implementation, which is undoubtedly a huge advantage for industrial applications. With the maturity of wireless communication technology and the reduction of cost, industrial network wireless has become one of the trends. A typical industrial wireless measurement and control network such as figure 1 As shown, a large number of wireless sensor nodes are distributed in various monitoring points of the industrial site, and these nodes form a network together with nodes with routing functions, and the on-site monitoring data is transmitted back to the gateway device node in a multi-hop manner. While the wirelessization of industrial networks brings ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W80/02H04W84/18
CPCY02D30/70
Inventor 梁炜曾鹏于海斌张晓玲杨志家徐皑冬
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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