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In this paper, we study multi-user multi-antenna wireless power transfer (WPT) systems, where each antenna at the energy harvesting (EH) nodes is connected to a dedicated non-linear rectifier. We propose an optimal transmit strategy which…

信息论 · 计算机科学 2021-05-12 Nikita Shanin , Laura Cottatellucci , Robert Schober

Wireless power transfer (WPT) is an emerging paradigm that will enable using wireless to its full potential in future networks, not only to convey information but also to deliver energy. Such networks will enable trillions of future…

信息论 · 计算机科学 2021-01-14 Bruno Clerckx , Kaibin Huang , Lav R. Varshney , Sennur Ulukus , Mohamed-Slim Alouini

In this paper, we study multiple-input multiple-output (MIMO) wireless power transfer (WPT) systems, where the energy harvester (EH) node is equipped with multiple nonlinear rectennas. We characterize the optimal transmit strategy by the…

信息论 · 计算机科学 2021-04-20 Nikita Shanin , Laura Cottatellucci , Robert Schober

Wireless power transfer (WPT) has garnered increasing attention due to its potential to eliminate device-side batteries. With the advent of (distributed) multiple-input multiple-output (MIMO), radio frequency (RF) WPT has become feasible…

信号处理 · 电气工程与系统科学 2024-08-21 Gilles Callebaut , Jarne Van Mulders , Bert Cox , Liesbet Van der Perre , Lieven De Strycker , François Rottenberg

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…

信息论 · 计算机科学 2015-04-14 Minghua Xia , Sonia Aïssa

Wireless power transfer (WPT) technologies hold promise for enhancing device autonomy, particularly for energy-limited IoT systems. This paper presents experimental results on coherent and non-coherent transmit diversity approaches for WPT,…

The quadratic phase Fourier transform has gained much popularity in recent years because of its applications in image and signal processing. However, the QPFT is inadequate for localizing the quadratic phase spectrum which is required in…

信号处理 · 电气工程与系统科学 2022-03-01 Mohd Younus Bhat , Aamir Hamid Dar , Didar Urynbassarova , Altyn Urynbassarova

As wireless has disrupted communications, wireless will also disrupt the delivery of energy. Future wireless networks will be equipped with (radiative) wireless power transfer (WPT) capability and exploit radio waves to carry both energy…

信息论 · 计算机科学 2022-09-09 Bruno Clerckx , Junghoon Kim , Kae Won Choi , Dong In Kim

Recent advances in non-radiative wireless power transfer (WPT) technique essentially relying on magnetic resonance and near-field coupling have successfully enabled a wide range of applications. However, WPT systems based on double…

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,…

信号处理 · 电气工程与系统科学 2018-04-04 Xuanxuan Tang , Yansha Deng , Yueming Cai , Wendong Yang , Arumugam Nallanathan

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.…

信息论 · 计算机科学 2021-01-01 Samith Abeywickrama , Rui Zhang , Chau Yuen

Wireless power transfer (WPT) technologies are becoming ubiquitous, but unlike wire technologies, they do not allow efficient energy transfer through barely transparent barriers. The proposed solutions to this issue rely on resonantly…

光学 · 物理学 2019-09-16 Alex Krasnok

In this paper, we analyze the energy coverage performance of heterogeneous millimeter wave (mmWave) wireless power transfer (WPT) networks, where macro base stations (MBSs) are distributed according to a Poisson point process (PPP), the…

信息论 · 计算机科学 2021-02-23 Fangzhou Yu , Chao Zhang

A novel pinching antenna system (PASS) enabled wireless power transfer (WPT) framework is proposed, where energy harvesting receivers (EHRs) and information decoding receivers (IDRs) coexist. By activating pinching antennas (PAs) near both…

信号处理 · 电气工程与系统科学 2025-11-17 Deqiao Gan , Xiaoxia Xu , Xiaohu Ge , Yue Liu , Yuanwei Liu

Radio frequency wireless power transfer (WPT) enables charging low-power mobile devices without relying on wired infrastructure. Current existing WPT systems are typically designed assuming far-field propagation, where the radiated energy…

信号处理 · 电气工程与系统科学 2021-10-12 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F Imani , Yonina C Eldar

In this paper, we study the average throughput performance of energy beamforming in a multi-antenna wireless-powered communication network (WPCN). The considered network consists of one hybrid access-point (AP) with multiple antennas and a…

信息论 · 计算机科学 2016-11-17 Wenzhu Huang , He Chen , Yonghui Li , Branka Vucetic

The large untapped spectrum in sub-THz allows for ultra-high throughput communication to realize many seemingly impossible applications in 6G. Phase noise (PN) is one key hardware impairment, which is accentuated as we increase the…

信号处理 · 电气工程与系统科学 2024-06-28 Dileepa Marasinghe , Le Hang Nguyen , Jafar Mohammadi , Yejian Chen , Thorsten Wild , Nandana Rajatheva

The vision of seamlessly integrating information transfer (IT) and microwave based power transfer (PT) in the same system has led to the emergence of a new research area, called wirelessly power communications (WPC). Extensive research has…

信息论 · 计算机科学 2016-11-15 Kaibin Huang , Caijun Zhong , Guangxu Zhu

Far-field Wireless Power Transfer (WPT) has attracted significant attention in the last decade. Recently, channel-adaptive waveforms have been shown to significantly increase the DC power level at the output of the rectifier. However the…

信息论 · 计算机科学 2017-10-11 Bruno Clerckx , Ekaterina Bayguzina

The efficiency of wireless information and power transfer (WIPT) systems requires an essential reevaluation and rethinking of the entire transceiver chain, which is characterized by a bottom-up multi-layer design approach. In this paper, we…

信号处理 · 电气工程与系统科学 2022-04-13 Ioannis Krikidis , Constantinos Psomas