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Near-field magnetic resonance wireless power transfer (WPT) technology has garnered significant attention due to its broad application prospects in medical implants, electric vehicles, and robotics. Addressing the challenges faced by…

Applied Physics · Physics 2025-05-13 Likai Wang , Yuqian Wang , Shengyu Hu , Yunhui Li , Hong Chen , Ce Wang , Zhiwei Guo

Wireless power transmission (WPT) is a critical technology that provides a secure alternative mechanism for wireless power and communication with implantable medical devices. WPT approaches for implantable medical devices have been utilized…

Signal Processing · Electrical Eng. & Systems 2020-03-04 Mohammad Haerinia

Wireless power transfer (WPT) technologies are becoming ubiquitous, but unlike wire technologies, they do not allow efficient energy transfer through barely transparent barriers. The proposed solutions to this issue rely on resonantly…

Optics · Physics 2019-09-16 Alex Krasnok

Wireless power transfer (WPT) is a promising technology for powering up distributed devices in machine type networks. Over the last decade magnetic resonant coupling (MRC) received significant interest from the research community, since it…

Signal Processing · Electrical Eng. & Systems 2021-12-07 Eleni Demarchou , Constantinos Psomas , Ioannis Krikidis

In this paper, we propose a novel energy-efficient data collection and wireless power transfer (WPT) framework for internet of things (IoT) applications, via a multiple-input multiple-output (MIMO) full-duplex (FD) unmanned aerial vehicle…

Signal Processing · Electrical Eng. & Systems 2018-11-27 Jiancao Hou , Zhaohui Yang , Mohammad Shikh-Bahaei

This paper examines a fluid antenna (FA)-assisted simultaneous wireless information and power transfer (SWIPT) system. Unlike traditional SWIPT systems with fixed-position antennas (FPAs), our FA-assisted system enables dynamic…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Liaoshi Zhou , Junteng Yao , Tuo Wu , Ming Jin , Chau Yuen , Fumiyuki Adachi

Current trends in communication system design precipitate a change in the operating regime from the traditional far-field to the radiating near-field (Fresnel) region. We investigate the optimal transmit antenna placement for a…

Information Theory · Computer Science 2023-11-06 Kenneth MacSporran Mayer , Laura Cottatellucci , Robert Schober

A near-field simultaneous wireless information and power transfer (SWIPT) network is investigated, where the hybrid beamforming architecture is employed at the base station (BS) for information transmission while charging energy harvesting…

Information Theory · Computer Science 2023-05-09 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Xidong Mu , Jian Chen

Integrating the wireless power transfer (WPT) technology into the wireless communication system has been important for operational cost saving and power-hungry problem solving of electronic devices. In this paper, we propose a resonant beam…

Systems and Control · Electrical Eng. & Systems 2021-07-28 Wen Fang , Hao Deng , Qingwen Liu , Mingqing Liu , Mengyuan Xu , Liuqing Yang , Georgios B. Giannakis

A novel pinching antenna system (PASS) enabled wireless power transfer (WPT) framework is proposed, where energy harvesting receivers (EHRs) and information decoding receivers (IDRs) coexist. By activating pinching antennas (PAs) near both…

Signal Processing · Electrical Eng. & Systems 2025-11-17 Deqiao Gan , Xiaoxia Xu , Xiaohu Ge , Yue Liu , Yuanwei Liu

In this paper, we present techniques and examples to reduce power consumption and increase energy efficiency of autonomous Wireless Sensor Nodes (WSNs) for the Internet of Things. We focus on the RF Energy Harvester (RFEH), the data…

Emerging Technologies · Computer Science 2018-02-09 G. C. Martins , A. Urso , A. Mansano , Y. Liu , W. A. Serdijn

Wireless transfer of power via high frequency microwave radiation using a miniature split ring resonator rectenna is reported. RF power is converted into DC power by integrating a rectification circuit with the split ring resonator. The…

The retrodirective antenna array is considered as a mechanism to enable target tracking of a power receiver for long range wireless power transfer (WPT) due to its simplicity in implementation using only analog circuits. By installing the…

Systems and Control · Electrical Eng. & Systems 2024-10-31 Charleston Dale M. Ambatali , Shinichi Nakasuka , Bo Yang , Naoki Shinohara

This paper studies a new concept so-called green cell-less radio frequency (RF) wireless power transfer (WPT) networks. We consider a scenario in which multiple indoor access points (APs) equipped with outdoor energy harvesters are…

Networking and Internet Architecture · Computer Science 2018-01-22 Ha-Vu Tran , Georges Kaddoum

In conventional inductive wireless power devices, the energy is transferred via only reactive near fields, which is equivalent to non-radiative F\"orster energy transfer in optics. Radiation from transmitting and receiving coils is usually…

Applied Physics · Physics 2023-02-07 N. Ha-Van , C. R. Simovski , F. S. Cuesta , P. Jayathurathnage , S. A. Tretyakov

The advance in RF energy transfer and harvesting technique over the past decade has enabled wireless energy replenishment for electronic devices, which is deemed as a promising alternative to address the energy bottleneck of conventional…

Information Theory · Computer Science 2015-01-06 Xiao Lu , Ian Flint , Dusit Niyato , Nicolas Privault , Ping Wang

This letter studies a radio-frequency (RF) multi-user wireless power transfer (WPT) system, where an energy transmitter (ET) with a large number of antennas delivers energy wirelessly to multiple distributed energy receivers (ERs). We…

Information Theory · Computer Science 2017-06-26 Seunghyun Lee , Yong Zeng , Rui Zhang

Reliable energy supply remains a crucial challenge in the Internet of Things (IoT). Although relying on batteries is cost-effective for a few devices, it is neither a scalable nor a sustainable charging solution as the network grows…

Networking and Internet Architecture · Computer Science 2023-11-10 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves , Matti Latva-aho

Topological wireless power transfer (WPT) technologies have attracted considerable interest due to their high transmission efficiency and robustness in coupled array configurations. However, conventional periodic and quasi-periodic…

Applied Physics · Physics 2025-05-13 Luyao Wan , Han Zhang , Yunhui Li , Yaping Yang , Hong Chen , Zhiwei Guo

This paper theoretically and experimentally investigates frequency-tuned and impedance-tuned wireless non-radiative power transfer (WNPT) systems. Closed-form expressions for the efficiencies of both systems, as a function of frequency and…

Other Computer Science · Computer Science 2015-01-23 Jason D. Heebl , Erin M. Thomas , Robert P. Penno , Anthony Grbic