A clustering routing method for wireless sensor networks based on fuzzy control

Abstract

The invention discloses a wireless sensor network clustering routing method based on fuzzy control. The fuzzy control is used for carrying out experiential, intuitive, simple and intelligent control on cluster head selection, cluster routing selection, inter-cluster routing selection and cluster head data fusion. The fuzzy control is introduced in the clustering routing method disclosed by the invention to ensure that cluster heads can be uniformly distributed, thus the cluster heads are avoided being distributed in the same region. In addition, a distributed asynchronous cluster head selection is used in the invention, the cluster heads are replaced externally transparently, data transmission of the whole network is not interrupted due to reconfiguration of a cluster, data downlink transmission and frequent cluster head replacement are avoided; and an inter-cluster multi-hop cluster is optimized and reconfigured based on a static cluster head tag table, low energy consumption and high efficiency performance of routing are ensured, and network self-organizing ability is increased.

Description

Technical field [0001] The invention relates to a wireless sensor network routing method, which mainly adopts a fuzzy control method to solve the problem of efficient information transmission, and belongs to the application field of distributed computing, instant communication, and fuzzy control cross-technology. Background technique [0002] Wireless sensor networks generally use data-centric, cluster-based, geographic information-based or QOS-based routing protocols. Data-centric routing protocols focus on data integration. This type of routing protocol must be improved to meet the demand in situations with high real-time requirements, such as battlefield intelligence investigation. Based on the cluster routing protocol, the wireless sensor nodes are divided into multiple clusters according to specific rules, which consumes a lot of time and energy for dynamic network topology organization. Based on the geographic information routing protocol to dynamically obtain the geograp...

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Problems solved by technology

However, such protocols cannot guarantee that the selected cluster head nodes can spread throughout the entire network, and cluster head nodes may even be concentrated in a certain area; commonly used clustering routing protocols have randomness in the selection of cluster heads, and it is difficult to avoid low-level cluster head nodes. The node with the remaining energy acts as the cluster head; the cluster head dynamically selected by this type of protocol communicates with the sink node in a single-hop manner, and the farther the cluster head is from the sink node, the more energy it consumes

[0004] From the perspective of engineering applications, these characteristics of existing cluster routing protocols are often difficult to achieve energy balance in wireless sensor networks during operation, which is not conducive to maximizing network life.

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