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LEACH optimization algorithm for wireless sensor network

A technology of wireless sensors and optimization algorithms, applied in wireless communication, electrical components, services based on specific environments, etc., can solve problems such as difficulties and node failures, and achieve the effect of balance and prolongation of life time.

Pending Publication Date: 2021-05-25
KUNMING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since most of the environments that need to be sensed are relatively harsh, and the sensors are provided by tiny batteries embedded in them, once the battery energy is exhausted, the nodes will fail
It is very difficult to precisely locate and replace new sensor nodes

Method used

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  • LEACH optimization algorithm for wireless sensor network
  • LEACH optimization algorithm for wireless sensor network
  • LEACH optimization algorithm for wireless sensor network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: as figure 1 , Figure 4As shown, a wireless sensor network LEACH optimization algorithm is used to judge whether a node can become a cluster head node, and then set the cluster evaluation function to judge whether the cluster where the cluster head is located can be clustered, and set the sub-cluster head node to balance the cluster head node The energy consumption pressure of the cluster head node is reduced; in the data transmission stage, the relay nodes that meet the conditions are comprehensively selected by constructing the path weight factor, and the optimal transmission path is constructed.

[0043] The specific steps are:

[0044] Step1: Calculate the round energy consumption and remaining energy of nodes, the distance between nodes, and the distance between nodes and base stations to construct distance control factors and round energy consumption factors.

[0045] Step2: Judge the cluster head selection according to the cluster head evaluation ...

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Abstract

The invention relates to a wireless sensor network LEACH optimization algorithm, and belongs to the technical field of real-time embedding. The method comprises the following steps: firstly, adding a distance control factor and a round energy consumption factor to judge whether a node can become a cluster head; secondly, a clustering evaluation function being set to judge whether a cluster group where the cluster head is located can be clustered or not, and meanwhile an auxiliary cluster head being set to balance the energy consumption pressure of cluster head data forwarding; and finally, adding a weight factor in a data transmission process to comprehensively select a relay node and adopting a multi-hop mode to complete information interaction. Compared with an LEACH algorithm and an LEACH-C algorithm, the algorithm provided by the invention has the advantage that the effects of balancing network energy consumption and prolonging life duration are obviously improved.

Description

technical field [0001] The invention relates to a wireless sensor network LEACH optimization algorithm, which belongs to the field of real-time embedded technology. Background technique [0002] The wireless sensor network is a network system in which multiple sensor nodes are scattered irregularly in a certain space, and then realize the interactive function of information. Data forwarding is realized between nodes under certain conditions, and finally the data is transmitted to the base station to complete the communication work of the entire network. In the communication process of each sensor node, the issue of node energy consumption is particularly important. Since most of the environments that need to be sensed are relatively harsh, and the sensors are provided by tiny batteries embedded in them, once the battery energy is exhausted, the nodes will fail. It is very difficult to precisely locate and replace new sensor nodes. Therefore, it is necessary to adopt an en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/10H04W40/20H04W40/32H04W4/38
CPCH04W40/10H04W40/20H04W40/32H04W4/38
Inventor 张晶胡栗
Owner KUNMING UNIV OF SCI & TECH
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