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LEACH algorithm optimization method based on energy consumption balance

An optimization method and energy balance technology, applied in the direction of reducing energy consumption, advanced technology, network traffic/resource management, etc., can solve the problems of short network survival time and high network energy consumption, so as to prevent premature death and prolong the life cycle , the effect of balancing energy consumption

Active Publication Date: 2018-10-23
KUNMING UNIV OF SCI & TECH
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Problems solved by technology

[0003] The purpose of the present invention is to improve the deficiencies of the LEACH protocol, and provide an optimization method based on the LEACH algorithm based on energy balance, so as to solve the technical problems of high network energy consumption and short overall network survival time in the prior art

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  • LEACH algorithm optimization method based on energy consumption balance
  • LEACH algorithm optimization method based on energy consumption balance
  • LEACH algorithm optimization method based on energy consumption balance

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Embodiment 1

[0029] Embodiment 1: as Figure 1~3 As shown: this embodiment first adopts the "round" idea of ​​the LEACH algorithm. Each round is composed of the node clustering stage and the data stable transmission stage. The cluster number formula selects a reasonable number of cluster heads for network nodes; then increases the remaining energy of the node in the cluster head election formula to select the cluster head, and compares the random number of the node with the calculated cluster head threshold T(i). If the number is less than the cluster head threshold T(i), the node becomes the cluster head and broadcasts the message of becoming the cluster head, otherwise it becomes a member of the cluster, and each node chooses to join its own cluster according to the received signal strength to complete the clustering process ; In the stage of stable data transmission, the member nodes in the cluster send the collected data to the corresponding cluster head, and the cluster head fuses the...

Embodiment 2

[0055] Embodiment 2: The steps of this embodiment are the same as in Embodiment 1, the difference is that the distance d from the cluster head to the base station in the step (7) is less than the communication distance threshold d 0 , direct communication between the cluster head and the base station.

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Abstract

The invention discloses an LEACH algorithm optimization method based on energy consumption balance, belongs to the technical field of wireless sensor networks, and aims at balancing the energy consumption of sensor nodes and prolonging the life cycle of the wireless sensor network. The method aims at the defects of an LEACH protocol and makes improvements on the LEACH protocol from three aspects of clustering number, cluster head selection and data transmission. Reasonable cluster head number selection is carried out on the network nodes, so that the overall load of the network can be effectively balanced; the residual energy of the nodes is considered, so that the nodes with relatively low energy are protected. During a data transmission process of a cluster head and a base station, optimal path transmission is selected according to a tabu search algorithm, so that the energy consumption is reduced. According to the method, the life cycle of the wireless network is effectively prolonged, the energy consumption of the network is balanced, and the performance of the network is optimized.

Description

technical field [0001] The invention relates to a LEACH algorithm optimization method based on energy balance, and belongs to the technical field of wireless sensor networks. Background technique [0002] The application prospect of wireless sensor network is broad, but its development and promotion cannot get around the restriction of energy consumption. Most of the sensor nodes that make up the WSN are supplied by batteries with limited energy, and the number of nodes is large, the distribution is wide, and the environment is complex. It is extremely unrealistic to replenish energy by replacing batteries, and energy consumption directly determines the service life of the sensor network. It is an important issue in the research of wireless sensor networks to realize network load balancing, improve the utilization rate of node energy, and prolong the life cycle of the network. The clustering routing algorithm is an algorithm that optimizes the fusion of transmitted data by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W40/10H04W40/32
CPCH04W28/08H04W40/10H04W40/32Y02D30/70
Inventor 唐菁敏王瑞娟钮维一
Owner KUNMING UNIV OF SCI & TECH
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