ABSTRACT
In large-scale Wireless Sensor Networks (WSNs), the use of clustering methods can respond quickly to queries, but the energy consumption of nodes in the network is unbalanced, and collisions may occur during the aggregation process, resulting in data loss. Although the use of serial aggregation methods can effectively avoid collisions, they cannot respond quickly to queries. We propose a new energy-saving Sector clustering data aggregation method called Fan Aggregation (FA). FA is a distributed adaptive method that combines the ideas of serial aggregation and clustering. FA extends the network lifespan and reduces query response time through the optimization of clustering and routing stages. In FA, the circular network is divided into two layers. In the first layer, the network is divided into multiple sectors. Each sector's nodes elect a CH (cluster head) through a CH election algorithm and form a chain with other nodes in the sector. In the second layer, the data inside the CH node of each sector is aggregated in series. This method of serial aggregation between nodes within a cluster, serial aggregation between CH nodes, and parallel aggregation between clusters, effectively reduces the network's query response time and network collisions while ensuring network scalability. This, in turn, extends the network's lifespan. And through OMNeT++ simulation, analysis and experimental results show that for large-scale wireless sensor networks, FA is superior to existing algorithms in terms of network life and FDN (First Death Node) indicators.
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Index Terms
- A new Energy-Saving Sector Clustering Data Aggregation Method in Wireless Sensor Networks: Energy saving sector clustering data aggregation method
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