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Far-field wireless power transfer (WPT) is a promising technique to resolve the painstaking power-charging problem inherent in various wireless terminals. This paper investigates the power transfer efficiency of the WPT segment in future…

Information Theory · Computer Science 2015-04-14 Minghua Xia , Sonia Aïssa

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…

Information Theory · Computer Science 2020-08-04 Junghoon Kim , Bruno Clerckx , Paul D. Mitcheson

We propose WirelessJEPA, a novel wireless foundation model (WFM) that uses the Joint Embedding Predictive Architecture (JEPA). WirelessJEPA learns general-purpose representations directly from real-world multi-antenna IQ data by predicting…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Viet Chu , Omar Mashaal , Hatem Abou-Zeid

We propose a novel paradigm for spectrum sensing in cognitive radio networks that provides diversity and capacity benefits using a single antenna at the Secondary User (SU) receiver. The proposed scheme is based on a reconfigurable antenna:…

Networking and Internet Architecture · Computer Science 2014-03-05 Ahmed M. Alaa , Mahmoud H. Ismail , Hazim Tawfik

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for charging the Internet of Things. Practical RF-WPT systems usually require energy beamforming (EB), which can compensate for the severe propagation loss by…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Amirhossein Azarbahram , Onel L. A. Lopez , Richard D. Souza , Rui Zhang , Matti Latva-Aho

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…

Information Theory · Computer Science 2019-03-22 Tianxin Feng , Ganggang Ma , Jie Xu

A promising direction towards reducing the levelized cost of energy for wave energy converter (WEC) farms is to improve their performance. WEC design studies generally focus on a single design domain (e.g., geometry, control, or layout) to…

Systems and Control · Electrical Eng. & Systems 2024-05-27 Saeed Azad , Suraj Khanal , Daniel R. Herber , Gaofeng Jia

About 26% of total U.S. energy consumption is used in the transportation sector. Conventional vehicles use fuels such as gasoline, emit harmful gases, and have adverse effects on the environment. Electric vehicles (EVs) provide an…

Systems and Control · Electrical Eng. & Systems 2021-07-27 Afshin Ghassemi , Laura Soares , Hao Wang , Zhimin Xi

Wireless powered communication network (WPCN) is a novel networking paradigm that uses radio frequency (RF) wireless energy transfer (WET) technology to power the information transmissions of wireless devices (WDs). When energy and…

Networking and Internet Architecture · Computer Science 2017-03-20 Suzhi Bi , Ying Jun , Zhang , Rui Zhang

The increasing availability of sensor data at machine tools makes automatic chatter detection algorithms a trending topic in metal cutting. Two prominent and advanced methods for feature extraction via signal decomposition are Wavelet…

Signal Processing · Electrical Eng. & Systems 2020-01-22 Melih C. Yesilli , Firas A. Khasawneh , Andreas Otto

In computational physics and mathematical physics, modal analysis method has been one of important study topics. The central purposes of this Post-Doctoral Concluding Report are (1) to reveal the core position of energy viewpoint in the…

Classical Physics · Physics 2021-08-11 Ren-Zun Lian

This paper proposes a novel channel estimation method and a cluster-based opportunistic scheduling policy, for a wireless energy transfer (WET) system consisting of multiple low-complex energy receivers (ERs) with limited processing…

Information Theory · Computer Science 2018-03-21 Samith Abeywickrama , Tharaka Samarasinghe , Chau Yuen , Rui Zhang

We investigate the possibility of directing optical emissions using a Yagi-Uda antenna composed of a finite linear array of nanoparticles. The relevant parameters characterizing the plasma resonances of the nanoparticles are identified and…

Mesoscale and Nanoscale Physics · Physics 2007-07-09 Holger F. Hofmann , Terukazu Kosako , Yutaka Kadoya

The extremely low efficiency is regarded as the bottleneck of Wireless Power Transfer (WPT) technology. To tackle this problem, either enlarging the transfer power or changing the infrastructure of WPT system could be an intuitively…

Information Theory · Computer Science 2017-03-08 Chao Zhang , Guanghe Zhao

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

Wireless energy harvesting constitutes an effective way to prolong the lifetime of wireless networks. In this paper, an opportunistic decode-and-forward cooperative communication system is investigated, where the energy-constrained relays…

Information Theory · Computer Science 2018-01-23 Yanju Gu

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

Graphene is enabling a plethora of applications in a wide range of fields due to its unique electrical, mechanical, and optical properties. In the realm of wireless communications, graphene shows great promise for the implementation of…

The design of Wireless Information and Power Transfer (WIPT) has so far relied on an oversimplified and inaccurate linear model of the energy harvester. In this paper, we depart from this linear model and design WIPT considering the…

Information Theory · Computer Science 2017-09-22 Bruno Clerckx

We introduce an equivariant version of the weak expectation property (WEP) at the level of operator modules over completely contractive Banach algebras $A$. We prove a number of general results---for example, a characterization of the…

Operator Algebras · Mathematics 2020-09-15 Alex Bearden , Jason Crann