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ISA100.11a and WIA-PA fused router and routing method

A router and data link layer technology, applied in electrical components, wireless communication, network topology, etc., can solve problems that cannot improve network versatility, cannot meet the real-time and reliability of data transmission, and achieve the effect of improving robustness

Active Publication Date: 2013-06-12
CHONGQING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

The coexistence method given in this paper adjusts the scheduling time slot by the system manager, which can avoid interference to a certain extent, but cannot improve the versatility between networks, nor can it meet the real-time and reliability requirements of data transmission between different networks

Method used

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  • ISA100.11a and WIA-PA fused router and routing method
  • ISA100.11a and WIA-PA fused router and routing method
  • ISA100.11a and WIA-PA fused router and routing method

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Embodiment Construction

[0020] Since the basis of the ISA100.11a and WIA-PA protocols lies in equipment network access and network resource allocation, and the functions of this part are mainly concentrated in the bottom layer of the protocol stack, so the function of the media access control sublayer of the protocol stack constitutes the core of the fusion router. The fusion router calculates PANID (Personal Area Network Identifier), slot interval, next channel, superframe period and superframe offset initial Value and other information, through which management information sharing can be realized and time synchronization and distributed resource allocation can be completed. In turn, field devices can join different networks through the fusion router and communicate normally, completing the integration of ISA100.11a and WIA-PA.

[0021] In order to make the purpose of the present invention, technical solutions and advantages clearer, the present invention will be described in further detail below in...

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Abstract

The invention relates to an ISA100.11a ((Internationally Society of Automation 100.11a) and WIA-PA (Wireless Networks for Industrial Automation-Process Automation) fused router and a routing method. Considering from the perspective of coexistence, the ISA100.11a and WIA-PA merged router is designed by fusing protocol stack routing codes on the basis of the traditional ISA100.11a and WIA-PA protocol stack, and the fusing part is mainly the core technology of the data link layer. Meanwhile, the fused router can mutually convert the frame formats of ISA100.11a and WIA-PA and distribute distributed communication resources and can be used as a bridge between ISA100.11a and WIA-PA network equipment to realize the interconnection and interworking of the two networks, and the real-time performance, the coexistent performance and the interoperability of the two networks are enhanced.

Description

technical field [0001] The invention relates to the technical field of industrial wireless sensor networks, in particular to ISA100.11a and WIA-PA fusion routers. Background technique [0002] At present, industrial wireless sensor networks are developing rapidly in terms of technology research, industrial scale and demonstration applications. In terms of technology, the key technologies of wireless sensor networks, such as time synchronization, adaptive channel hopping, deterministic scheduling and subnet routing, have developed relatively maturely, and breakthroughs have also been made in technological innovation. After years of research in fields such as the production of type chips, fruitful results have been obtained. In terms of standard formulation, my country has participated in the formulation of many international standards, and gradually has an important say in the process of international standard formulation. In terms of industry, it already has a certain scal...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W88/10H04W84/18
Inventor 王恒王平兰飞刘峰张斌刘念
Owner CHONGQING UNIV OF POSTS & TELECOMM
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