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Dynamic Deployment and Task Scheduling of Hybrid Access Points (HAPs) for Wireless Powered Communication Networks (WPCNs)
Lina Yuan, Huajun Chen, Yongping Zhou and Jing Gong

With the rapid development of Wireless Powered Communication Networks (WPCNs), the Hybrid Access Point (HAP), as an important auxiliary means of the network, plays a significant role in improving network performance through its dynamic deployment and task scheduling strategies. This paper aims to study the dynamic deployment and task scheduling of HAPs for WPCNs, in order to achieve the efficient use of network resources and optimization of service quality. Firstly, this paper analyzes the basic architecture of WPCNs and the role of HAPs within them, discussing the importance and challenges of HAP dynamic deployment. Secondly, a dynamic deployment strategy for HAPs based on network performance indicators is proposed, which considers factors such as network coverage, user distribution, energy consumption, and service quality, determining the optimal position and height of HAPs through optimization algorithms. Following that, the paper studies the task scheduling problem of HAPs, designing a priority-based scheduling algorithm that dynamically adjusts the task execution order based on the urgency, importance, and network status of tasks. In addition, a simulation model is constructed in this paper, and the effectiveness of the proposed strategies is verified through simulation experiments. The experimental results show that compared with existing methods, the HAP dynamic deployment strategy proposed in this paper can significantly improve network coverage and user satisfaction, while the task scheduling algorithm can reduce task execution delay and enhance the overall throughput of the network. Finally, the research findings are summarized, and future research directions are prospected. Future research can further explore strategies for multi-HAP collaborative work and how to combine artificial intelligence technology to achieve more intelligent HAP deployment and task scheduling.

Keywords: WPCN, HAP, dynamic deployment, task scheduling, network performance optimization