Wireless Power Transfer Modelling Methods and Related Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: closed (15 February 2024) | Viewed by 977

Special Issue Editors

School of Microelectronics Science and Technology, Sun Yat-Sen University, Zhuhai 519082, China
Interests: wireless charging; indoor localization; IoT; cloud computing

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Guest Editor
College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518061, China
Interests: IoT; wireless power harvesting; structural health monitoring of transportation infrastructure; smart sensors

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Guest Editor
School of Intelligent System Science and Engineering, Jinan University, Zhuhai 519070, China
Interests: wireless power transfer; simultaneously wireless information and power transfer; smart spectrum sensing; channel modelling

Special Issue Information

Dear Colleagues,

With the prevalence of electronic devices in daily life, the limitations of wired energy transmission have become increasingly apparent. Wireless power transfer (WPT) techniques have gained widespread popularity as they reduce reliance on wired connections. Many mobile devices, e.g., sensors and medical devices, can be equipped with WPT module to extend their lifetimes. WPT technology can be divided into three main categories: magnetic induction, coupled magnetic resonance and microwave radiation. Related potential applications are emerging accordingly, e.g., electrical vehicles, unmanned aerial vehicles, passive sensor networks, and underwater devices. In order to implement the WPT on the practical devices and effectively improve the power transfer efficiency, various Modelling methods have been investigated in the recent years. These modelling methods can describe the electromagnetic field distributions of near field WPT, the equivalent circuit model of a typical WPT system, and the channel propagation of the RF-based remote WPT etc.

This Special Issue aims to present and disseminate the most recent advances related to the Modelling theories, methods and platforms of WPT systems.

Topics of interest for publication include, but are not limited to:

  • Equivalent circuit models of WPT;
  • Electromagnetic field Modelling and simulations for inductive or magnetic resonance systems;
  • Coil design and optimization models;
  • Channel Modelling for microwave propagation of remote WPT systems;
  • mmWave, Terahertz and reconfigurable intelligent surface (RIS) propagation Modelling for WPT;
  • Optimization methods based on the WPT models;
  • AI-based Modelling and related control methods;
  • Communication Models of simultaneously wireless information and power transfer systems;
  • Theoretical models of wireless powered localization network;
  • New models for WPT IC design;
  • Simulation software for WPT systems.

Dr. Yubin Zhao
Dr. Yangping Zhao
Dr. Xiaofan Li
Guest Editors

Manuscript Submission Information

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Keywords

  • magnetic resonance
  • wireless power transfer
  • optimization
  • simultaneously wireless information and power transfer
  • AI
  • channel modelling

Published Papers (1 paper)

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Research

25 pages, 864 KiB  
Article
Cooperative Resource Allocation for Hybrid NOMA-OMA-Based Wireless Powered MC-IoT Systems with Hybrid Relays
by Xu Chen, Ding Xu and Hongbo Zhu
Electronics 2024, 13(1), 99; https://doi.org/10.3390/electronics13010099 - 25 Dec 2023
Cited by 1 | Viewed by 728
Abstract
This paper considers an uplink wireless powered multichannel internet of things (MC-IoT) system with multiple hybrid relays, each serves a group of wireless-powered IoTDs. For coordinating radio frequency wireless power transfer (RF-WPT) and wireless information transfer (WIT), two cooperative protocols integrating non-orthogonal multiple [...] Read more.
This paper considers an uplink wireless powered multichannel internet of things (MC-IoT) system with multiple hybrid relays, each serves a group of wireless-powered IoTDs. For coordinating radio frequency wireless power transfer (RF-WPT) and wireless information transfer (WIT), two cooperative protocols integrating non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA), namely hybrid NOMA-frequency division multiple access (FDMA) and hybrid NOMA-time division multiple access (TDMA), is proposed. For both protocols, we investigate cooperative resource allocation problems and aim to maximize the sum data delivered by all the IoTDs, subject to the peak transmit power constraint and the total consumable energy constraint of the hybrid relays. The problem with the hybrid NOMA-FDMA is first decomposed into two subproblems, one for time and power allocation of each hybrid relay and its associated IoTDs, and the other one for channel allocation among them. After some properties of the optimal solution are discovered and a series of transformations is performed, the former subproblem is solved by the bisection search and the Lagrange duality method, and the latter subproblem is solved by the Kuhn–Munkres algorithm. The problem with the hybrid NOMA-TDMA is first convexified by proper variable transformations and then solved by the Lagrange duality method. We provide extensive simulations to demonstrate the superiority of the proposed schemes. It is shown that various system parameters play key roles in the performance comparison of the two schemes. Full article
(This article belongs to the Special Issue Wireless Power Transfer Modelling Methods and Related Applications)
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