System of wireless sensor network, and cluster routing method based on the system

A wireless sensor and network system technology, applied in the field of cluster routing and wireless sensor network systems, can solve the problems of low reliability and concentrated risk, and achieve the effect of improving reliability

Inactive Publication Date: 2007-12-26
SUPCON GRP +1
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  • Abstract
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Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a wireless sensor network system and a clustering routing method based on the system, to solve the problem of the prior art that the network risks are concentrated on one switch and the reliability is low

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  • System of wireless sensor network, and cluster routing method based on the system
  • System of wireless sensor network, and cluster routing method based on the system
  • System of wireless sensor network, and cluster routing method based on the system

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Embodiment Construction

[0075] The existing industrial wireless sensor network includes multiple independent clusters, and each cluster contains a working cluster head and several nodes in the cluster. The nodes in the cluster can only exchange information with the gateway through the cluster head of the cluster. This implementation method highly concentrates the risk of network failure on the cluster head. When the working cluster head fails and cannot work normally, the nodes in the cluster It will be impossible to communicate with the outside world, resulting in network paralysis.

[0076] In addition, even when the working cluster head is working normally, when there is a temporary obstacle in the network, the nodes in the cluster may temporarily be unable to communicate with the cluster head of the cluster, which will also cause communication interruption.

[0077] It should be noted that all nodes in the entire wireless sensor network belong to one cluster uniquely, and there are no nodes that ...

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Abstract

The system comprises multi clusters independently each other; each cluster comprises a working cluster head and multi in-cluster nodes; said working cluster head periodically detects its own dump energy and working status, and relays the data of nodes in its own cluster, and receives the relay request from nodes in other clusters, and relays the data of nodes in other clusters; said in-cluster nodes periodically estimates the working status of said working cluster head; when the working cluster head is not capable of relaying data, selecting the one of other cluster heads as the standby cluster head, and relaying the request to it. The invention also reveals a clustering routing method based on the system.

Description

technical field [0001] The invention relates to the technical field of Ethernet communication, in particular to a wireless sensor network system and a clustering routing method based on the system. Background technique [0002] With the development of Ethernet technology, Ethernet is more and more used in industrial occasions. The stable operation and efficiency improvement of industrial production put forward higher and higher requirements for the reliability of industrial Ethernet. Therefore, the industrial Ethernet High availability is also getting more and more attention. [0003] In view of the high availability requirements of industrial wireless sensor networks and the complex characteristics of the field environment, the currently used cluster routing implementation mechanism (cluster is a collection of multiple switches), the mechanism is to determine the cluster head through pre-configuration. Nodes interact with gateways through cluster heads. [0004] It can be...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L12/701
Inventor 冯冬芹褚健章涵全剑敏金建祥
Owner SUPCON GRP
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