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Breakthroughs in information and power transfer for wireless networks are imperative in order to satisfy the requirement of wireless nodes for energy sustainability. To this end, significant research efforts in academia and industry have…

Information Theory · Computer Science 2020-02-19 Ha-Vu Tran , Georges Kaddoum , Chadi Abou-Rjeily

Radio waves carry both energy and information simultaneously. Nevertheless, Radio-Frequency (RF) transmission of these quantities have traditionally been treated separately. Currently, we are experiencing a paradigm shift in wireless…

Information Theory · Computer Science 2018-03-21 Bruno Clerckx , Rui Zhang , Robert Schober , Derrick Wing Kwan Ng , Dong In Kim , H. Vincent Poor

RF-based wireless power transfer networks (WPTNs) are deployed to transfer power to embedded devices over the air via RF waves. Up until now, a considerable amount of effort has been devoted by researchers to design WPTNs that maximize…

Networking and Internet Architecture · Computer Science 2016-02-12 Qingzhi Liu , Kasım Sinan Yıldırım , Przemysław Pawełczak , Martijn Warnier

Simultaneous wireless information and power transfer (SWIPT) has long been proposed as a key solution for charging and communicating with low-cost and low-power devices. However, the employment of radio frequency (RF) signals for…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Constantinos Psomas , Minglei You , Kai Liang , Gan Zheng , Ioannis Krikidis

6G networks will be required to support higher data rates, improved energy efficiency, lower latency, and more diverse users compared with 5G systems. To meet these requirements, electrically extremely large-scale antenna arrays are…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Yonina C. Eldar

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

To support the development of internet-of-things applications, an enormous population of low-power devices are expected to be incorporated in wireless networks performing sensing and communication tasks. As a key technology for improving…

Information Theory · Computer Science 2024-02-20 Xiaoyang Li , Zidong Han , Guangxu Zhu , Yuanming Shi , Jie Xu , Yi Gong , Qinyu Zhang , Kaibin Huang , Khaled B. Letaief

We present Full-body WPT, wireless power networking around the human body using a meandered textile coil. Unlike traditional inductive systems that emit strong fields into the deep tissue inside the body, the meander coil enables localized…

Human-Computer Interaction · Computer Science 2025-07-25 Ryo Takahashi , Takashi Sato , Wakako Yukita , Tomoyuki Yokota , Takao Someya , Yoshihiro Kawahara

Low-power sensors can be integrated into an aircraft for numerous use cases. Conventionally, these sensors are powered via cables, which introduces various disadvantages to the overall efficiency of the aircraft. Alternatively, batteries…

Systems and Control · Electrical Eng. & Systems 2020-08-14 Jan Tepper , Aygün Baltaci , Bernd Schleicher , Andreas Drexler , Svetoslav Duhovnikov , Mustafa Ozger , Morteza Tavana , Cicek Cavdar , Dominic Schupke

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

State of the Art Wireless Power Transfer (WPT) systems, based on conventional copper coils, are known to exhibit efficiencies well above 90% when operated in the resonantly coupled mid-range regime. Besides full system efficiency, the area-…

Applied Physics · Physics 2021-02-01 Christoph Utschick , Cem Som , Ján Šouc , Veit Große , Fedor Gömöry , Rudolf Gross

By reconfiguring the propagation environment of electromagnetic waves artificially, reconfigurable intelligent surfaces (RISs) have been regarded as a promising and revolutionary hardware technology to improve the energy and spectrum…

Signal Processing · Electrical Eng. & Systems 2020-06-03 Huiyuan Yang , Xiaojun Yuan , Jun Fang , Ying-Chang Liang

The wireless power transfer (WPT) system based on parity-time (PT) symmetry has the advantages of robustness, stability, and efficient power transmission. However, traditional PT symmetry structures have limited voltage power output and are…

Applied Physics · Physics 2026-05-06 Xiaokui Kang , Hongbin Ma , Zihui Liu , Yuanyuan Wang , Jiangtao Huangfu , Rui Xi , Ying Li

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

Wireless power transmission (WPT) is envisioned to be a promising technology for prolonging the lifetime of wireless devices in energy-constrained networks. This paper presents a general power beacon (PB) assisted multi-source transmission,…

Signal Processing · Electrical Eng. & Systems 2018-04-04 Xuanxuan Tang , Yansha Deng , Yueming Cai , Wendong Yang , Arumugam Nallanathan

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…

Networking and Internet Architecture · Computer Science 2021-09-27 Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

The topological characteristics, including invariant topological orders, band inversion, and the topological edge mode (TEM) in the photonic insulators, have been widely studied. Whether people can take advantage of intriguing topological…

Applied Physics · Physics 2021-01-11 Juan Song , Fengqing Yang , Zhiwei Guo , Xian Wu , Kejia Zhu , Jun Jiang , Yong Sun , Yunhui Li , Haitao Jiang , Hong Chen

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…

This article reviews some recent promising approaches to make mobile power closer to reality. In contrast with articles commonly published by the microwave community and the communication/signal processing community that separately…

Information Theory · Computer Science 2017-12-19 Bruno Clerckx , Alessandra Costanzo , Apostolos Georgiadis , Nuno Borges Carvalho
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