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引用次数: 0
摘要
簇路由是无线传感器网络(WSN)中的一种重要路由方法。然而,所选簇头节点的不均匀分布和不切实际的数据传输路径会导致网络能量的不均匀消耗。为此,我们为集群无线传感器网络引入了一种新的路由策略,该策略采用了一种改进的白鲸优化算法,称为 tCBWO-DPR。在簇头的选择过程中,我们引入了一个新的激励函数,通过建立节点能量与节点位置关系之间的相关性来评估和选择更合适的候选簇头。此外,我们还对白鲸优化(BWO)算法进行了改进,加入了余弦因子和 t 分布,以增强其局部和全局搜索能力,并提高其收敛速度和收敛能力。在数据传输路径方面,我们使用 Prim 算法构建生成树,并引入 DPR 算法,根据簇头的相关距离确定簇头之间的最优路径。这有效缩短了数据传输路径,增强了网络稳定性。仿真结果表明,基于白鲸优化的改进算法能有效提高网络的生存周期,降低平均能耗。
Improved beluga whale optimization algorithm based cluster routing in wireless sensor networks.
Cluster routing is a critical routing approach in wireless sensor networks (WSNs). However, the uneven distribution of selected cluster head nodes and impractical data transmission paths can result in uneven depletion of network energy. For this purpose, we introduce a new routing strategy for clustered wireless sensor networks that utilizes an improved beluga whale optimization algorithm, called tCBWO-DPR. In the selection process of cluster heads, we introduce a new excitation function to evaluate and select more suitable candidate cluster heads by establishing the correlation between the energy of node and the positional relationship of nodes. In addition, the beluga whale optimization (BWO) algorithm has been improved by incorporating the cosine factor and t-distribution to enhance its local and global search capabilities, as well as to improve its convergence speed and ability. For the data transmission path, we use Prim's algorithm to construct a spanning tree and introduce DPR for determining the optimal route between cluster heads based on the correlation distances of cluster heads. This effectively shortens the data transmission path and enhances network stability. Simulation results show that the improved beluga whale optimization based algorithm can effectively improve the survival cycle and reduce the average energy consumption of the network.
期刊介绍:
Mathematical Biosciences and Engineering (MBE) is an interdisciplinary Open Access journal promoting cutting-edge research, technology transfer and knowledge translation about complex data and information processing.
MBE publishes Research articles (long and original research); Communications (short and novel research); Expository papers; Technology Transfer and Knowledge Translation reports (description of new technologies and products); Announcements and Industrial Progress and News (announcements and even advertisement, including major conferences).