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We present a controller and transmission policy design procedure for nonlinear wireless networked control systems. Our objective is to ensure the stability of the closed-loop system, in a stochastic sense, together with given control…

Systems and Control · Electrical Eng. & Systems 2022-07-06 Vineeth S. Varma , Romain Postoyan , Daniel E. Quevedo , Irinel-Constantin Morarescu

Wirelessly powered communications will entail short packets due to naturally small payloads, low-latency requirements and/or insufficient energy resources to support longer transmissions. In this paper, a wirelessly powered communication…

Information Theory · Computer Science 2016-11-03 Talha Ahmed Khan , Robert W. Heath , Petar Popovski

In this work, dynamic load modulation of high power amplifiers using a varactor-based tunable matching network is presented. The feasibility of dynamic tuning and efficiency enhancement of this technique is demonstrated using a modular…

Other Computer Science · Computer Science 2012-10-25 Ali Soltani Tehrani , Hossein Mashad Nemati , Haiying Cao , Thomas Eriksson , Christian Fager

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for future wireless systems. However, the low power transfer efficiency (PTE) is a critical challenge for practical implementations. One of the main inefficiency…

Signal Processing · Electrical Eng. & Systems 2024-11-21 Amirhossein Azarbahram , Onel L. A. López , Matti Latva-Aho

Radiating wireless power transfer (WPT) brings forth the possibility to cost-efficiently charge wireless devices without requiring a wiring infrastructure. As such, it is expected to play a key role in the deployment of limited-battery…

Signal Processing · Electrical Eng. & Systems 2021-08-18 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F. Imani , Yonina C. Eldar

Distribution power systems (DPSs) are mostly unbalanced, and their loads may have notable static voltage characteristics (ZIP loads). Hence, despite abundant papers on linear single-phase power flow models, it is still necessary to study…

Systems and Control · Electrical Eng. & Systems 2021-03-19 Yitong Liu , Zhengshuo Li , Yu Zhou

Wireless-powered communications will entail short packets due to naturally small payloads, low latency requirements and/or insufficient energy resources to support longer transmissions. In this paper, a wireless-powered communication system…

Information Theory · Computer Science 2016-09-19 Talha Ahmed Khan , Robert W. Heath , Petar Popovski

Dynamic simulation plays a crucial role in power system transient stability analysis, but traditional numerical integration-based methods are time-consuming due to the small time step sizes. Other semi-analytical solution methods, such as…

Systems and Control · Electrical Eng. & Systems 2025-03-14 Kaiyang Huang , Yang Liu , Kai Sun , Feng Qiu

In this paper, we study the optimal waveform design for wireless power transfer (WPT) from a multi-antenna energy transmitter (ET) to multiple single-antenna energy receivers (ERs) simultaneously in multi-path frequency-selective channels.…

Information Theory · Computer Science 2021-01-01 Samith Abeywickrama , Rui Zhang , Chau Yuen

The explosion of the number of low-power devices in the next decades calls for a re-thinking of wireless network design, namely, unifying wireless transmission of information and power so as to make the best use of the RF spectrum,…

Information Theory · Computer Science 2019-09-17 Morteza Varasteh , Jakob Hoydis , Bruno Clerckx

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

Magnetic resonant coupling (MRC) is an efficient method for realizing the near-field wireless power transfer (WPT). Although the MRC enabled WPT (MRC-WPT) with a single pair of transmitter and receiver has been thoroughly studied in the…

Systems and Control · Computer Science 2016-03-11 Mohammad R. Vedady Moghadam , Rui Zhang

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

Dynamical phase transitions (DPTs) characterize critical changes in system behavior occurring at finite times, providing a lens to study nonequilibrium phenomena beyond conventional equilibrium physics. While extensively studied in quantum…

Physics and Society · Physics 2024-12-10 Jiazhen Liu , Nathaniel M. Aden , Debasish Sarker , Chaoming Song

Several design parameters in collective robotic systems have been investigated and developed in order to explore the cooperation among the autonomous robotic individuals in a variety of robotic swarms in the presence of different internal…

Systems and Control · Computer Science 2012-12-14 Humza Qadir Raja , Oliver Scholz

The paper presents accurate and simple dynamic model of a supercapacitor bank system for power system dynamics studies. The proposed model is derived from a detailed RC circuit representation. Furthermore, a complete control system of the…

Systems and Control · Electrical Eng. & Systems 2021-02-23 Matej Krpan , Igor Kuzle , Ana Radovanović , Jovica V. Milanović

We study a type of port-Hamiltonian system, in which the controller or disturbance is not applied to the flow variables, but to the systems power, a scenario that appears in many practical applications. A suitable framework is provided to…

Systems and Control · Computer Science 2018-02-08 Pooya Monshizadeh , Juan E. Machado , Romeo Ortega , Arjan van der Schaft

Simultaneous wireless information and power transfer (SWIPT) has emerged as a viable technique to energize and connect low-power autonomous devices and enable future Internet of Things (IoT). A major challenge of SWIPT is the energy…

Information Theory · Computer Science 2021-04-20 Junghoon Kim , Bruno Clerckx

The PT-symmetric waveguides have been frequently discussed in the photonics community due to their extraordinary properties. Especially, the study of power transmission is significant for switching applications. The aim of this study is to…

Optics · Physics 2025-02-11 Chengnian Huang , Zhihao Lan , Menglin L. N. Chen , Wei E. I. Sha

Wireless energy transfer (WET) is a green enabler of low-power Internet of Things (IoT). Therein, traditional optimization schemes relying on full channel state information (CSI) are often too costly to implement due to excessive energy…

Information Theory · Computer Science 2020-08-31 Onel L. A. López , Francisco A. Monteiro , Hirley Alves , Rui Zhang , Matti Latva-aho