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To achieve efficient long-range wireless power transfer (WPT), large antenna systems are necessary spanning lengths of tens to thousands of meters in one dimension. This creates an array in the order of at least hundreds of thousands to…

Systems and Control · Electrical Eng. & Systems 2025-08-21 Charleston Dale M. Ambatali , Shinichi Nakasuka

The wireless power transfer efficiency to implanted bioelectronic devices is constrained by several frequency-dependent physical mechanisms. Recent works have developed several mathematical formulations to understand these mechanisms and…

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

One of the key challenges of the Internet of Things (IoT) is to sustainably power the large number of IoT devices in real-time. In this paper, we consider a wireless power transfer (WPT) scenario between an energy transmitter (ET) capable…

Information Theory · Computer Science 2020-02-17 Sahar Idrees , Xiangyun Zhou , Salman Durrani , Dusit Niyato

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…

Information Theory · Computer Science 2017-12-19 Feng Wang , Jie Xu , Xin Wang , Shuguang Cui

Dynamical models of wireless power transfer (WPT) systems are of primary importance for the dynamical behavior studies and controller design. However, the existing dynamical models usually suffer from high orders and complicated forms due…

Signal Processing · Electrical Eng. & Systems 2019-03-25 Hongchang Li , Jingyang Fang , Yi Tang

Wireless power transfer (WPT) is a promising new solution to provide convenient and perpetual energy supplies to wireless networks. In practice, WPT is implementable by various technologies such as inductive coupling, magnetic resonate…

Information Theory · Computer Science 2013-02-18 Rui Zhang , Chin Keong Ho

This article proposes a novel system concept named universal wireless power transfer, in which power can be wirelessly transferred between different entities (e.g. vehicles, robots, homes, grid facilities, consumer electronic devices, etc.)…

Systems and Control · Electrical Eng. & Systems 2021-08-06 Dinh Hoa Nguyen , Andrew Chapman

This letter proposes a new concept of integrated sensing and wireless power transfer (ISWPT), where radar sensing and wireless power transfer functions are integrated into one hardware platform. ISWPT provides several benefits from the…

Signal Processing · Electrical Eng. & Systems 2022-10-31 Qianyu Yang , Haiyang Zhang , Baoyun Wang

The vision of seamlessly integrating information transfer (IT) and microwave based power transfer (PT) in the same system has led to the emergence of a new research area, called wirelessly power communications (WPC). Extensive research has…

Information Theory · Computer Science 2016-11-15 Kaibin Huang , Caijun Zhong , Guangxu Zhu

The advancements in microwave power transfer (MPT) over past decades have enabled wireless power transfer over long distances. The latest breakthroughs in wireless communication, namely massive MIMO, small cells and millimeter-wave…

Information Theory · Computer Science 2014-11-27 Kaibin Huang , Xiangyun Zhou

The efficiency of wireless information and power transfer (WIPT) systems requires an essential reevaluation and rethinking of the entire transceiver chain, which is characterized by a bottom-up multi-layer design approach. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2022-04-13 Ioannis Krikidis , Constantinos Psomas

Wireless power transfer (WPT) is a promising technology that provides the network a way to replenish the batteries of the remote devices by utilizing RF transmissions. We study a class of harvest-first-transmit-later type of WPT policy,…

Information Theory · Computer Science 2018-09-11 Mehdi Salehi Heydar Abad , Ozgur Ercetin

In a rechargeable wireless sensor network, the data packets are generated by sensor nodes at a specific data rate, and transmitted to a base station. Moreover, the base station transfers power to the nodes by using Wireless Power Transfer…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Kai Li , Wei Ni , Lingjie Duan , Mehran Abolhasan , Jianwei Niu

A software-defined 2-bit Programmable Transmit Metamaterial (PTM) array surface with beam steering capabilities is proposed for indoor dynamic Wireless Power Transfer (DWPT) applications. The novel metamaterial unit cell structure is…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Eistiak Ahamed , Rasool Keshavarz , Daniel Franklin , Negin Shariati

Inductive wireless power transfer (WPT) systems can be effectively described as non-Hermitian systems using the coupled-mode theory. In these systems, parity-time (PT) symmetric states facilitate efficient power transfer. Traditionally,…

Applied Physics · Physics 2023-12-22 Hanwei Wang , Joshua Yu , Xiaodong Ye , Yang Zhao

Wearable, implantable, and ingestible antennas are continuously evolving in biomedical applications, as they are crucial components in devices used for monitoring and controlling physiological parameters. This work presents an…

Systems and Control · Electrical Eng. & Systems 2024-11-20 Maria Koutsoupidou , Dimitrios C. Tzarouchis , Dionysios Rompolas , Ioannis Sotiriou , George Palikaras , Panagiotis Kosmas

This letter studies a multi-antenna wireless powered communication (WPC) system with co-channel energy and information transfer, where a wireless device (WD), powered up by wireless energy transfer (WET) from an energy transmitter (ET),…

Information Theory · Computer Science 2015-10-23 Yueling Che , Jie Xu , Lingjie Duan , Rui Zhang

The performance of wireless communication is fundamentally constrained by the limited battery life of wireless devices, whose operations are frequently disrupted due to the need of manual battery replacement/recharging. The recent advance…

Networking and Internet Architecture · Computer Science 2016-11-17 Suzhi Bi , Chin Keong Ho , Rui Zhang

In this study, an equivalent circuit model is presented to emulate the behavior of a metamaterial-based wireless power transfer system. For this purpose, the electromagnetic field simulation of the proposed system is conducted in ANSYS high…