Solution of node data resource modification under topology reconfiguration of WSN (Wireless Sensor Network)

A node data and topology reconstruction technology, applied in network topology, data exchange network, electrical digital data processing, etc., to achieve the effect of load balancing improvement

Inactive Publication Date: 2011-06-01
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When WSN replaces some traditional centralized

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  • Solution of node data resource modification under topology reconfiguration of WSN (Wireless Sensor Network)
  • Solution of node data resource modification under topology reconfiguration of WSN (Wireless Sensor Network)
  • Solution of node data resource modification under topology reconfiguration of WSN (Wireless Sensor Network)

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Embodiment Construction

[0054] In order to further explain the technical means and effects adopted by the present invention to achieve the intended purpose of the invention, the specific implementation and structure of the solution to node data source change under WSN topology reconfiguration proposed by the present invention will be described in detail below.

[0055] The core idea of ​​the present invention is that the data channel between OPC servers can be established by using the DX specification of OPC, and based on this, an adaptive algorithm relying on the design idea of ​​middleware is proposed. Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0056] The present invention is based on the middleware of the C / S framework, so the design of the algorithm requires the support of system-related information, among which the most important node registration information table. The table information includes: node name, nod...

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Abstract

The invention discloses a solution of node data resource modification under topology reconfiguration of a WSN (Wireless Sensor Network), belonging to the field of real-time data collection of WSNs. A solution for collecting data to a real-time database seamlessly in real time is designed during network topology reconfiguration by adopting a DX (Data Exchange) rule in the industrial standard OPC (OLE for Process Control). The solution concretely comprises the following steps of: finishing node registering and collector configuring at the stage of system initiation; and carrying out a self-adaptive collection algorithm so as to achieve the aim of seamlessly acquiring in real time. The invention can mainly realize that data connection is established between two OPC servers through the DX, thus data can be transmitted to the corresponding OPC server in real time to finish the collection of a real-time database system after the topology reconfiguration is sent.

Description

technical field [0001] The invention relates to the real-time data collection of the wireless sensor network WSN, specifically, it is applied to the WSN collection in the real-time database system. Background technique [0002] In the industrial field, due to the complexity and variability of the environment, it is difficult to deploy wired networks, and more wireless sensor networks (WSN) are used to monitor field data in real time. This monitoring method can effectively reduce costs and risks, and can facilitate Meet business needs. [0003] When WSN replaces some traditional centralized field devices, it brings related acquisition problems. On the one hand, due to the wide application of OPC (OLE for Process Control, OLE for process control) technology in real-time databases, data collection needs to be completed in accordance with the OPC specification, that is, it is necessary to specify a specific OPC server connection before starting the collection; On the other ha...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/56H04W84/18G06F17/30H04L47/27
Inventor 王非黄本雄戴斌陈思邓磊
Owner HUAZHONG UNIV OF SCI & TECH
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