Low-overhead and high-reliability resource distribution method for industrial wireless network

An industrial wireless network and resource allocation technology is applied in the field of resource allocation for industrial wireless time-division networks. The effect of high transmission success rate

Active Publication Date: 2013-06-19
SHENYANG ZHONGKE AOWEI SCI & TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

This method undoubtedly produces a large number of point-to-point communications, which increases the network load and reduces the efficiency of adding field devices

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  • Low-overhead and high-reliability resource distribution method for industrial wireless network
  • Low-overhead and high-reliability resource distribution method for industrial wireless network
  • Low-overhead and high-reliability resource distribution method for industrial wireless network

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0030] The wireless network equipment involved in the present invention includes: gateway equipment and field equipment. An industrial wireless network is a multi-hop centralized wireless network composed of a gateway device and multiple field devices. Among them, the gateway device is the control center of the network, which is responsible for the scheduling of network resources and the collection of field data; the field device is a node in the network, with the functions of routing and collection.

[0031] Structural block diagram of the present invention is as figure 1 As shown, it mainly consists of three modules: gateway resource library, resource allocation module, and node resource library. The gateway resource library records the usage of all resources in the entire network, and the node resource library only stores resources related to its...

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Abstract

The invention relates to a low-overhead and high-reliability resource distribution method for an industrial wireless network. The low-overhead and high-reliability resource distribution method for the industrial wireless network comprises the steps of carrying out route distribution on new field equipment, obtaining a gateway device and integrating resources needed by the field equipment, carrying out multicast transmission on the resources, and sending the resources again along an original route when new field equipment at the tail end receives a correct resource distribution message and the gateway device does not receive a response of the new field equipment in a period. According to the low-overhead and high-reliability resource distribution method for the industrial wireless network, optimality of the resource distribution is guaranteed due to the adoption of a central dispatching method, a route distribution method is simplified due to the fact that a route distribution method of a route extension algorithm is adopted, the network can be maintained conveniently, due to the fact that the multicast resource distribution method is adopted, resource distribution efficiency is improved and load of the network is reduced on one hand, and the frequency of the transmission of the message is reduced and the success rate of network access of the new field equipment is increased on the other hand, and the reliability of the transmission of the message is guaranteed due to the fact that a retransmission timeout mechanism is adopted.

Description

technical field [0001] The invention relates to wireless resource allocation technology, and specifically describes a resource allocation method for industrial wireless time-division networks. Background technique [0002] With the rapid development of computer, communication and network technology, industrial wireless network technology has made great achievements. Since the wireless network has the characteristics of no wiring, easy maintenance, high flexibility, fast implementation, etc., and can operate in harsh and dangerous environments, it can be seen that its application potential in the field of industrial automation is self-evident. The energy limitation of wireless networks is the bottleneck of long-term operation of wireless networks. Therefore, reducing the energy consumption of wireless field devices is the key to ensuring long-term operation of devices and reducing maintenance costs, and data fusion is a key technology to solve low-power consumption of wireles...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/02H04W28/16
Inventor 张琼肖金超曾鹏赵晓全于海斌
Owner SHENYANG ZHONGKE AOWEI SCI & TECH CO LTD
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