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Industrial wireless network non-centralized coexistence management method based on information coordination

A technology for industrial wireless network and coexistence management, which is applied in the field of non-centralized coexistence management of industrial wireless networks based on information coordination, and can solve problems such as application of less CDCM methods

Active Publication Date: 2022-02-25
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

Existing studies rarely apply CDCM methods in industry

Method used

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  • Industrial wireless network non-centralized coexistence management method based on information coordination
  • Industrial wireless network non-centralized coexistence management method based on information coordination
  • Industrial wireless network non-centralized coexistence management method based on information coordination

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Embodiment Construction

[0055] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with practical examples.

[0056] A non-centralized coexistence management method for industrial wireless networks based on information coordination proposed by the present invention, the main idea of ​​which is to define the interactive information content of coexistence networks, establish multiple network coexistence management models based on incomplete information interaction between networks, and design network The utility function models the decentralized resource allocation problem as a potential game model. Through an iterative process, the resource combination that maximizes the utility function is selected to minimize the interference between coexisting networks. So overall, the method includes two steps: incomplete information exchange and non-centralized resource coordination.

[0057...

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Abstract

The invention relates to an industrial wireless network coexistence management method, in particular to an industrial wireless network non-centralized coexistence management method based on information coordination. Aiming at the coexistence problem caused by mutual interference of a plurality of industrial wireless networks, the invention provides the non-centralized coexistence management method applied to industrial wireless networks for the first time, and the non-centralized coexistence management method specifically comprises two parts of incomplete information interaction and non-centralized resource coordination. For the incomplete information used for coordination, on the premise of considering privacy protection, the content of the incomplete information is definitely defined, and guidance is provided for non-centralized resource coordination; and aiming at the aspect of non-centralized resource coordination, the requirement of network transmission data packet deadline is considered, a network utility function is designed, based on coordinated incomplete information, the network utility function is designed, and a network occupied resource strategy is independently adjusted. The network gain is maximized, the time required for convergence of the algorithm is reduced, and the interference between coexisting networks is minimized.

Description

technical field [0001] The invention relates to a coexistence management method of an industrial wireless network, in particular to a non-centralized coexistence management method of an industrial wireless network based on information coordination. Background technique [0002] As an important technical support of the Internet of Things, wireless networks have the characteristics of low cost, good scalability, and flexible deployment. With the wide application of intelligent manufacturing in industrial automation, the communication between various intelligent field devices, mobile robots, and automation equipment Communications impose stricter requirements. Therefore, industrial-grade wireless communication should rely on dedicated industrial wireless networks (IWNs) to meet the high reliability and low latency requirements of industrial applications. Common industrial wireless standards mainly include IEEE 802.15.4-based WirelessHART, ISA 100.11a, WIA-PA for process indust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L47/78
CPCH04L47/78Y02D30/70
Inventor 梁炜张嘉麟郑萌李世明王恺张吟龙苑旭东
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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