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A Data Transmission Method Based on Fuzzy Logic for Improved Multi-hop Leach Protocol in Wireless Sensor Networks

A data transmission method, wireless sensor technology, applied in network topology, wireless communication, advanced technology, etc.

Active Publication Date: 2022-05-31
CHANGCHUN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is aimed at the end-to-end delay and hotspot problems caused by single-hop communication in the existing LEACH protocol

Method used

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  • A Data Transmission Method Based on Fuzzy Logic for Improved Multi-hop Leach Protocol in Wireless Sensor Networks
  • A Data Transmission Method Based on Fuzzy Logic for Improved Multi-hop Leach Protocol in Wireless Sensor Networks
  • A Data Transmission Method Based on Fuzzy Logic for Improved Multi-hop Leach Protocol in Wireless Sensor Networks

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] An improved multi-hop LEACH protocol for wireless sensor networks based on fuzzy logic in the present invention consists of four parts, namely system model, new threshold function clustering, fuzzy logic hop count calculation and variable round cycle multi-hop routing. The system model provides a model for protocol implementation, including network model, energy model and network layered structure. The new threshold function clustering is based on the improved threshold function of LEACH to elect the cluster head, taking into account the distance between nodes, residual energy and centrality, so that the node located in the center of the cluster and with more residual energy has a higher probability of becoming a cluster head. The fuzzy logic hop count calculation is to calculate the optimal hop count of each cluster head according to the remaining ene...

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Abstract

The present invention relates to a wireless sensor network multi-hop routing protocol, in particular to a wireless sensor network multi-hop LEACH protocol based on fuzzy logic. The technical problem to be solved is aimed at the existing hop-by-hop communication, end-to-end delay and hot spots question. Using a fuzzy logic controller, the optimal number of hops is calculated according to the remaining energy, data length and distance to the base station, which reduces network energy consumption and maximizes network life. Furthermore, a threshold function based on residual energy, node centrality, and distance to BS is proposed to select CHs so that CHs are evenly distributed. Combining the number of hops with the remaining energy and the number of members, the optimal intermediate channel is selected to forward data to the base station. Finally, its performance was evaluated through a large number of simulations, and IMF‑LEACH has greatly improved in terms of average hop count, average end-to-end delay, energy consumption ratio, and network lifetime.

Description

technical field [0001] The present invention relates to a wireless sensor network multi-hop routing protocol, in particular to a wireless sensor network multi-hop LEACH protocol based on fuzzy logic IMF-LEACH (Improved Multi-hop LEACH protocol based on Fuzzy logic controller), IMF-LEACH comprehensively considers remaining Energy, node centrality and distance factors from the base station optimize the cluster head threshold in LEACH to form a relatively stable, evenly distributed and energy-saving cluster structure. Then use the fuzzy logic controller to determine the cluster head CH (Cluster Head) hops according to the remaining energy, data length and distance to the base station, and perform data transmission based on the hops, thereby reducing the network end-to-end delay and average hops . Background technique [0002] As one of the most important and basic information collection technologies in the Internet of Things (IoT), wireless sensor networks (wireless sensor net...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W24/06H04W40/10H04W40/32H04W84/18
CPCH04W24/02H04W24/06H04W40/10H04W40/32H04W84/18Y02D30/70
Inventor 胡黄水韩优佳赵宏伟王宏志姚美琴
Owner CHANGCHUN UNIV OF TECH
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