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Wireless sensor network clustering method based on replacement search

A wireless sensor, clustering and clustering technology, applied in the direction of network topology, wireless communication, advanced technology, etc., can solve problems such as unbalanced energy consumption

Active Publication Date: 2021-06-04
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
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Problems solved by technology

[0003] Purpose of the invention: In order to overcome the deficiencies of the prior art, the present invention provides a method for clustering and clustering of wireless sensor networks based on permutation search. This method is applied to node clustering of wireless sensor networks, which can effectively solve the problem of energy consumption in the network unbalanced problem

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  • Wireless sensor network clustering method based on replacement search
  • Wireless sensor network clustering method based on replacement search
  • Wireless sensor network clustering method based on replacement search

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Embodiment Construction

[0044] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The specific implementation is described as follows: the nodes mentioned below refer to the sensor nodes.

[0045] The architecture based on the present invention is a wireless sensor network deployed in two-dimensional space, including base stations and sensor nodes. Each part will be described in detail below.

[0046] (1) Base station: The base station is a fixed point in the network, which can collect the data of the entire network sensor through the method of routing transmission, including the collected data and the energy information of each node itself. At the same time, reasonable planning can be made for the clustering of nodes in the network.

[0047] (2) Sensor nodes: Sensor nodes are some nodes randomly deployed in this two-dimensional space. The function is to monitor the surrounding environmen...

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Abstract

The invention discloses a wireless sensor network clustering method based on replacement search, which comprises the following steps of: dividing a plurality of sensor nodes contained in a certain region into a plurality of initial clusters, and selecting a certain node in each initial cluster as a temporary cluster head. The traditional clustering method is influenced by an initial clustering center, so that it is easy to fall into local optimum. Compared with a traditional clustering method, the method has the advantages that the election and clustering mode of the cluster head is optimized in a replacement mode, the situation that the cluster head node is locally optimal can be effectively avoided, the nodes in the network are clustered through the method, energy consumption in the whole network is more balanced, and the clustering efficiency is improved. The service life of the network is prolonged.

Description

technical field [0001] The invention relates to the field of wireless sensor technology, in particular to a permutation search-based clustering method for wireless sensor networks. Background technique [0002] Wireless sensor network is one of the focuses of current research in the field of communication. It consists of a series of sensor nodes with energy perception, location perception and communication capabilities. Data transfer between nodes. Due to the complex environment in which sensor nodes are deployed, clustering among nodes cannot effectively balance the energy consumption of the entire network, which has become one of the most critical obstacles to the long-term continuous operation of wireless sensor networks. Contents of the invention [0003] Purpose of the invention: In order to overcome the deficiencies of the prior art, the present invention provides a method for clustering and clustering of wireless sensor networks based on permutation search. This me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/24H04W52/38H04W84/18
CPCH04W52/38H04W40/248H04W84/18Y02D30/70
Inventor 叶晓国吴瑞
Owner NANJING UNIV OF POSTS & TELECOMM
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