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Related papers: Wireless Power Transfer Analysis using Ansys

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This paper studies a novel user cooperation method in a wireless powered communication network (WPCN), where a pair of closely located devices first harvest wireless energy from an energy node (EN) and then use the harvested energy to…

Networking and Internet Architecture · Computer Science 2018-07-03 Wanran Xu , Suzhi Bi , Xiaohui Lin , Juan Wang

Wireless power transfer using inductive coupling is commonly used for medical implantable devices. The design of the secondary coil on the implantable device is important as it will affect the power transfer efficiency, the size of the…

Signal Processing · Electrical Eng. & Systems 2021-02-03 Yuan Yao , Wing-Hung Ki , Chi-Ying Tsui

Wireless networks are a common place nowadays and almost all of the modern devices support wireless communication in some form. These networks differ from more traditional computing systems due to the ad-hoc and spontaneous nature of…

Networking and Internet Architecture · Computer Science 2010-07-15 Yasir Arfat Malkani , Lachhman Das Dhomeja

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 2020-12-08 Huiyuan Yang , Xiaojun Yuan , Jun Fang , Ying-Chang Liang

This paper develops a novel power harvesting system to harvest ambient RF energy to power a wireless sensor. Harvesting ambient RF energy is a very difficult task as the power levels are extremely weak. Simulation results show zero…

Systems and Control · Computer Science 2017-08-17 Paul Ryuji Chuen-Ying Huang , Sing Kiong Nguang , Ashton Partridge

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

Parallel wireless digital communication with ultralow power consumption is critical for emerging edge technologies such as 5G and Internet of Things. However, the physical separation between digital computing units and analogue transmission…

In the past few years, lossy compression has been widely applied in the field of wireless sensor networks (WSN), where energy efficiency is a crucial concern due to the constrained nature of the transmission devices. Often, the common…

Networking and Internet Architecture · Computer Science 2012-06-12 Davide Zordan , Borja Martinez , Ignasi Vilajosana , Michele Rossi

This work derives exact expressions for the voltage and current induced into a two conductors non isolated transmission lines by an incident plane wave. The methodology is to use the transmission line radiating properties to derive…

Classical Physics · Physics 2019-10-01 Reuven Ianconescu , Vladimir Vulfin

Despite significant advancements in wireless smart implants over the last two decades, current implantable devices still operate passively and require additional electronic modules for wireless transmission of the stored biological data. To…

In this paper, a highly-efficient single-switch-regulated resonant wireless power receiver with hybrid modulation is proposed. To achieve both high efficiency and good output voltage regulation, phase shift and pulse width hybrid modulation…

Systems and Control · Electrical Eng. & Systems 2021-01-06 Kerui Li , Albert Ting Leung Lee , Siew-Chong Tan , Ron Shu Yuen Hui

Compared to the existing lower frequency wireless power transfer, millimeter wave (mmWave) power transfer takes advantage of the high-dimensional multi-antenna and narrow beam transmission. In this paper we introduce wireless power transfer…

Information Theory · Computer Science 2015-12-21 Lifeng Wang , Maged Elkashlan , Robert W. Heath, , Marco Di Renzo , Kai-Kit Wong

This paper considers wireless uplink information and downlink power transfer in cell-free massive multiple-input multiple-output systems. The single-antenna user equipments (UEs) utilize the energy harvested in the downlink to transmit…

Information Theory · Computer Science 2020-11-13 Özlem Tuğfe Demir , Emil Björnson

A decade ago, non-radiative wireless power transmission re-emerged as a promising alternative to deliver electrical power to devices where a physical wiring proved to be unfeasible. However, existing approaches are neither scalable nor…

This paper empirically validates battery-less sensor activation via wireless energy transmission to release sensors from wires and batteries. To seamlessly extend the coverage and activate sensor nodes distributed in any indoor environment,…

Networking and Internet Architecture · Computer Science 2016-01-06 Daiki Maehara , Gia Khanh Tran , Kei Sakaguchi , Kiyomichi Araki

This paper presents an analytical design of an ultrasonic power transfer system based on piezoelectric micro-machined ultrasonic transducer (PMUT) for fully wireless brain implants in mice. The key steps like the material selection of each…

Medical Physics · Physics 2021-01-13 Fernanda Narvaez , Seyedsina Hosseini , Hooman Farkhani , Farshad Moradi

In this paper, we introduce a mathematical approach for system-level analysis and optimization of densely deployed multiple-antenna cellular networks, where low-energy devices are capable of decoding information data and harvesting power…

Information Theory · Computer Science 2016-08-30 Lam Thanh Tu , Marco Di Renzo , Justin P. Coon

In this paper, we study how to determine concurrent transmissions and the transmission power level of each link to maximize spectrum efficiency and minimize energy consumption in a wireless ad hoc network. The optimal joint transmission…

Networking and Internet Architecture · Computer Science 2017-06-20 Kamal Rahimi Malekshan , Weihua Zhuang

Magnetic resonant coupling (MRC) is a practically appealing method for realizing the near-field wireless power transfer (WPT). The MRC-WPT system with a single pair of transmitter and receiver has been extensively studied in the literature,…

Systems and Control · Computer Science 2015-02-10 Mohammad R. Vedady Moghadam , Rui Zhang

The programmable metasurface is regarded as one of the most promising transformative technologies for next-generation wireless system applications. Due to the lack of effective perception ability of the external electromagnetic environment,…

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