Cluster head selection method and device for wireless sensor network

A wireless sensor and selection device technology, applied in the computer field, can solve the problems of not considering the location of wireless nodes, the death of cluster head nodes, and uneven energy consumption.

Inactive Publication Date: 2017-07-18
SHANDONG INSPUR COMML SYST CO LTD
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Problems solved by technology

Studies have shown that when the cluster head is closer to the geometric center of the cluster distribution area, the energy consumed by the cluster head is smaller, and the selection process of the cluster head is random selection, without considering the position of each wireless node in the wireless sensor network, so it is likely Uneven energy consumption leads to premature death of cluster head nodes

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  • Cluster head selection method and device for wireless sensor network
  • Cluster head selection method and device for wireless sensor network
  • Cluster head selection method and device for wireless sensor network

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection of the present invention. scope.

[0048] Such as figure 1 As shown, the embodiment of the present invention provides a method for selecting a cluster head in a wireless sensor network, the method may include the following steps:

[0049] Step 101: Predetermining location information respectively corresponding to at least two wireless nodes in the wireless sensor network;

[0050] Step...

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Abstract

The invention provides a cluster head selection method and device for a wireless sensor network. The method comprises the steps of predetermining position information corresponding to at least two wireless nodes in the wireless sensor network; determining a network division boundary of the wireless sensor network; determining at least one internal wireless node from the at least two wireless nodes according to the network division boundary and the position information corresponding to the at least two wireless nodes; and selecting a cluster head node of the wireless sensor network from the at least one internal wireless node. According to the scheme, the time that death occurs in the cluster head node can be prolonged.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and device for selecting a cluster head of a wireless sensor network. Background technique [0002] Wireless sensor network is an emerging information acquisition technology developed with the advancement of wireless communication technology, embedded computing technology and sensor technology. [0003] In the wireless sensor network, each wireless node is divided into clusters, and the cluster head of each cluster is randomly selected from each wireless node in each cluster. Ordinary wireless nodes in the cluster send data to the cluster head, and then the cluster head fuses the data and sends it to the external gateway node. [0004] During this process, since the cluster head needs to communicate with each common wireless node in the cluster, the cluster head consumes more energy. Studies have shown that when the cluster head is closer to the geometric center of t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/20H04W84/18
CPCH04W40/02H04W40/20H04W84/18
Inventor 马振福
Owner SHANDONG INSPUR COMML SYST CO LTD
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