为物联网设备提供充电服务质量保证的最大化收益
Earning Maximization with Quality of Charging Service Guarantee for IoT Devices
AI总结:
本文研究了如何通过制定充电定价策略和高优先级充电调度算法,保证物联网设备的充电服务质量并最大化整体收益。
摘要:
共振束充电(RBC)是一种有前途的无线电力传输(WPT)技术,能够为物联网(IoT)设备提供远距离、高功率、移动和安全的无线电力。点对多点(PtMP)RBC系统可以同时为多个接收器充电,类似于WiFi通信。为了保证每个接收器的充电服务质量(QoCS)并最大化PtMP RBC服务的整体收益,我们制定了充电定价策略(CPS)并开发了高优先级充电(HPC)调度算法,以控制充电顺序和功率分配。每个接收器被分配一个优先级,该优先级根据其充电状态(SOC)和指定的充电功率动态更新。优先级高的接收器在每个时间槽中被安排充电。我们基于量化接收器的SOC、放电能量和各种相关参数,提出了HPC算法的伪代码。通过仿真分析,我们证明HPC算法在QoCS和收益方面优于轮询充电(RRC)调度算法。基于性能评估,我们指出改进PtMP RBC服务的方法是:1)限制接收器数量在合理范围内;2)尽可能延长充电时间。总之,HPC调度算法提供了一种实用策略,以在保证每个接收器QoCS的前提下最大化PtMP RBC服务的收益。
英文摘要:
Resonant Beam Charging (RBC) is a promising Wireless Power Transfer (WPT) technology to provide long-range, high-power, mobile and safe wireless power for the Internet of Things (IoT) devices. The Point-to-Multipoint (PtMP) RBC system can charge multiple receivers simultaneously similar to WiFi communications. To guarantee the Quality of Charging Service (QoCS) for each receiver and maximize the overall earning in the PtMP RBC service, we specify the Charging Pricing Strategy (CPS) and develop the High Priority Charge (HPC) scheduling algorithm to control the charging order and power allocation. Each receiver is assigned a priority, which is updated dynamically based on its State of Charging (SOC) and specified charging power. The receivers with high priorities are scheduled to be charged in each time slot. We present the pseudo code of the HPC algorithm based on quantifying the receiver's SOC, discharging energy and various relevant parameters. Relying on simulation analysis, we demonstrate that the HPC algorithm can achieve better QoCS and earning than the Round-Robin Charge (RRC) scheduling algorithm. Based on the performance evaluation, we illustrate that the methods to improve the PtMP RBC service are: 1) limiting the receiver number within a reasonable range and 2) prolonging the charging duration as long as possible. In summary, the HPC scheduling algorithm provides a practical strategy to maximize the earning of the PtMP RBC service with each receiver's QoCS guarantee.
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