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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…

信息论 · 计算机科学 2018-03-21 Bruno Clerckx , Rui Zhang , Robert Schober , Derrick Wing Kwan Ng , Dong In Kim , H. Vincent Poor

The invariance of the Lyapunov exponent of a chaotic signal as it propagates along a wireless transmission channel provides a theoretical base for the application of chaos in wireless communication. In additive Gaussian channel, the chaotic…

信号处理 · 电气工程与系统科学 2022-04-21 Hai-Peng Ren , Wu-Yun Zheng , Celso Grebogi

Simultaneous wireless information and power transfer (SWIPT) critically depends on waveform design, which governs both reliable data delivery and efficient energy harvesting. Among waveform characteristics, the peak-to-average power ratio…

信号处理 · 电气工程与系统科学 2026-03-20 Chongda Huang , Yue Xiao , Qianzhen Zhang , Lilin Dan , Xianfu Lei , Kai-Kit Wong

We study radio-frequency (RF) wireless power transfer (WPT) using a digital radio transmitter for applications where alternative analog transmit circuits are impractical. An important paramter for assessing the viability of an RF WPT system…

信号处理 · 电气工程与系统科学 2020-12-03 Nachiket Ayir , Taneli Riihonen , Markus Allén , Marcelo Fabián Trujillo Fierro

Waveform design is a key technique to jointly exploit a beamforming gain, the channel frequency-selectivity and the rectifier nonlinearity, so as to enhance the end-to-end power transfer efficiency of Wireless Power Transfer (WPT). Those…

信息论 · 计算机科学 2017-10-30 Yang Huang , Bruno Clerckx

Simultaneous transmission of information and power over a point-to-point flat-fading complex Additive White Gaussian Noise (AWGN) channel is studied. In contrast with the literature that relies on an inaccurate linear model of the energy…

信息论 · 计算机科学 2017-06-01 Morteza Varasteh , Borzoo Rassouli , Bruno Clerckx

A systematic design of adaptive waveform for Wireless Power Transfer (WPT) has recently been proposed and shown through simulations to lead to significant performance benefits compared to traditional non-adaptive and heuristic waveforms. In…

信息论 · 计算机科学 2017-04-07 Junghoon Kim , Bruno Clerckx , Paul D. Mitcheson

This paper studies the performance of a differential chaos shift keying (DCSK)-based wireless power transfer (WPT) setup in a frequency selective scenario. Particularly, by taking into account the nonlinearities of the energy harvesting…

信号处理 · 电气工程与系统科学 2022-05-10 Priyadarshi Mukherjee , Constantinos Psomas , Ioannis Krikidis

Rapid technological advances in the domain of Wireless Power Transfer (WPT) pave the way for novel methods for power management in systems of wireless devices and recent research works have already started considering algorithmic solutions…

网络与互联网体系结构 · 计算机科学 2021-09-27 Ioannis Katsidimas , Sotiris Nikoletseas , Theofanis P. Raptis , Christoforos Raptopoulos

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,…

应用物理 · 物理学 2023-12-22 Hanwei Wang , Joshua Yu , Xiaodong Ye , Yang Zhao

This paper reviews emerging wireless information and power transfer (WIPT) technique with an emphasis on its performance enhancement employing multi-antenna techniques. Compared to traditional wireless information transmission, WIPT faces…

信息论 · 计算机科学 2016-11-17 Xiaoming Chen , Zhaoyang Zhang , Hsiao-Hwa Chen , Huazi Zhang

In this paper, we analyze the performance of a time-slotted multi-antenna wireless powered communication (WPC) system, where a wireless device first harvests radio frequency (RF) energy from a power station (PS) in the downlink to…

信息论 · 计算机科学 2017-05-19 Rania Morsi , Elena Boshkovska , Esmat Ramadan , Derrick Wing Kwan Ng , Robert Schober

In this paper, we design, prototype, and experiment a closed-loop radiative wireless power transfer (WPT) system with adaptive waveform and beamforming using limited feedback. Spatial and frequency domains are exploited by jointly utilizing…

信号处理 · 电气工程与系统科学 2021-06-08 Shanpu Shen , Junghoon Kim , Bruno Clerckx

Wireless power transfer (WPT) is a viable source of energy for wirelessly powered communication networks (WPCNs). In this paper, we first consider WPT from an energy access point (E-AP) to multiple energy receivers (E-Rs) to obtain the…

Machine-type-communications (MTC) are being crucial in the development of next generation mobile networks. Given that MTC devices are usually battery constrained, wireless power transfer (WPT) and energy harvesting (EH) have emerged as…

信号处理 · 电气工程与系统科学 2020-04-28 Sergi Liesegang , Olga Muñoz-Medina , Antonio Pascual-Iserte

As Internet of Things (IoT) devices proliferate, sustainable methods for powering them are becoming indispensable. The wireless provision of power enables battery-free operation and is crucial for complying with weight and size…

信息论 · 计算机科学 2024-06-04 Kenneth M. Mayer , Laura Cottatellucci , Robert Schober

While wired-power-transfer devices ensure robust power delivery even if the receiver position or load impedance changes, achieving the robustness of wireless power transfer (WPT) is challenging. Conventional solutions are based on…

应用物理 · 物理学 2020-01-09 Fu Liu , Bhakti Chowkwale , Prasad Jayathurathnage , Sergei Tretyakov

In this paper, the impact of imperfect beam alignment (IBA) on millimeter wave (mmWave) wireless power transfer (WPT) is investigated. We consider a mmWave WPT network, where the location of the energy transmitters follows a Poisson point…

信息论 · 计算机科学 2021-02-23 Man Wang , Chao Zhang , Xiaoming Chen , Suhua Tang

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for sustainable support of massive Internet of Things (IoT). However, RF-WPT systems are characterized by low efficiency due to channel attenuation, which can be…

信号处理 · 电气工程与系统科学 2024-05-08 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Shashi Raj Pandey , Matti Latva-aho

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,…

信息论 · 计算机科学 2018-09-11 Mehdi Salehi Heydar Abad , Ozgur Ercetin