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Radio frequency wireless power transfer (WPT) enables charging low-power mobile devices without relying on wired infrastructure. Current existing WPT systems are typically designed assuming far-field propagation, where the radiated energy…

信号处理 · 电气工程与系统科学 2021-10-12 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F Imani , Yonina C Eldar

In this paper, we provide an overview of the recent advances in microwave-enabled wireless energy transfer (WET) technologies and their applications in wireless communications. Specifically, we divide our discussions into three parts.…

网络与互联网体系结构 · 计算机科学 2014-07-03 Suzhi Bi , Chin Keong Ho , Rui Zhang

In this paper we consider wireless energy transfer for a point-to-point link. The energy transmitter sees a finite number of independent channel realizations, and, armed with (causal) knowledge of the channels, must decide how much energy…

信号处理 · 电气工程与系统科学 2019-02-08 Amanthi Thudugalage , Saman Atapattu , Jamie Evans

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…

系统与控制 · 电气工程与系统科学 2021-07-28 Wen Fang , Hao Deng , Qingwen Liu , Mingqing Liu , Mengyuan Xu , Liuqing Yang , Georgios B. Giannakis

One of the main concerns in traditional Wireless Sensor Networks (WSNs) is energy efficiency. In this work, we analyze two techniques that can extend network lifetime. The first is Ambient \emph{Energy Harvesting} (EH), i.e., the capability…

信息论 · 计算机科学 2016-01-18 Alessandro Biason , Michele Zorzi

A Wireless Power Transfer Network (WPTN) aims to support devices with cable-less energy on-demand. Unfortunately, wireless power transfer itself-especially through radio frequency radiation rectification-is fairly inefficient due to…

网络与互联网体系结构 · 计算机科学 2015-04-03 Qingzhi Liu , Michał Goliński , Przemysław Pawełczak , Martijn Warnier

This paper studies a wireless-energy-transfer (WET) enabled massive multiple-input-multiple-output (MIMO) system (MM) consisting of a hybrid data-and-energy access point (H-AP) and multiple single-antenna users. In the WET-MM system, the…

信息论 · 计算机科学 2016-11-18 Gang Yang , Chin Keong Ho , Rui Zhang , Yong Liang Guan

High-power and high-rate simultaneous wireless information and power transfer (SWIPT) becomes more and more important with the development of Internet of Things technologies. Optical SWIPT, also known as simultaneous light information and…

信号处理 · 电气工程与系统科学 2022-05-16 Mingliang Xiong , Qingwen Liu , Shengli Zhou

Optical wireless power transfer (OWPT) is a technology that wirelessly transmit light energy from an optical transmitter to an optical receiver, usually a solar cell. In order to achieve the highest transmission efficiency, the solar cell…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Sida Huang , Yuanting Wu , Dinh Hoa Nguyen

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…

应用物理 · 物理学 2023-02-07 N. Ha-Van , C. R. Simovski , F. S. Cuesta , P. Jayathurathnage , S. A. Tretyakov

With the development of Internet of Things (IoT), demands of power and data for IoT devices increase drastically. In order to resolve the supply-demand contradiction, simultaneous wireless information and power transfer (SWIPT) has been…

新兴技术 · 计算机科学 2024-01-05 Yunfeng Bai , Qingwen Liu , Xin Wang , Yudan Gou , Bin Zhou , Zhiyong Bu

This paper considers an orthogonal frequency division multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed that the receiver is able to harvest energy from noise,…

信息论 · 计算机科学 2016-11-18 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Recent advances on wireless energy transfer (WET) make it a promising solution for powering future Internet of Things (IoT) devices enabled by the upcoming sixth generation (6G) era. The main architectures, challenges and techniques for…

Wireless information and energy transfer (WIET) represents an emerging paradigm which employs controllable transmission of radio-frequency signals for the dual purpose of data communication and wireless charging. As such, WIET is widely…

Wireless power transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, machine-to-machine communications and radio frequency identification networks. Although there has…

信息论 · 计算机科学 2016-05-05 Yang Huang , Bruno Clerckx

Constructing first principles models is a challenging task for nonlinear and complex systems such as a wastewater treatment unit. In recent years, data-driven models are widely used to overcome the complexity. However, they often suffer…

机器学习 · 计算机科学 2024-01-23 Ece S. Koksal , Erdal Aydin

This paper studies a cognitive or secondary multi-antenna wireless power transfer (WPT) system over a multi-carrier channel, which shares the same spectrum with a primary wireless information transfer (WIT) system that employs adaptive…

信息论 · 计算机科学 2019-03-22 Tianxin Feng , Ganggang Ma , Jie Xu

Wireless energy transfer is an emerging technology that is used in networks of battery-powered devices in order to deliver energy and keep the network functional. Existing state-of-the-art studies have mainly focused on applying this…

网络与互联网体系结构 · 计算机科学 2021-09-27 Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

Mobile-edge computing (MEC) and wireless power transfer (WPT) have been recognized as promising techniques in the Internet of Things (IoT) era to provide massive low-power wireless devices with enhanced computation capability and…

信息论 · 计算机科学 2017-12-19 Feng Wang , Jie Xu , Xin Wang , Shuguang Cui

A new line of research on communications and signals design for Wireless Power Transfer (WPT) has recently emerged in the communication literature. Promising signal strategies to maximize the power transfer efficiency of WPT rely on…

信息论 · 计算机科学 2020-08-04 Junghoon Kim , Bruno Clerckx , Paul D. Mitcheson