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Intelligent reflecting surface (IRS) can be densely deployed in complex environments to create cascaded line-of-sight (LoS) links between base stations (BSs) and users, which significantly enhance the signal coverage. In this paper, we…

信息论 · 计算机科学 2023-07-18 Weidong Mei , Zhi Chen , Rui Zhang

Simultaneous wireless information and power transfer (SWIPT) provides a promising solution for enabling perpetual wireless networks. As energy efficiency (EE) is an im- portant evaluation of system performance, this thesis studies…

信息论 · 计算机科学 2015-04-10 Shiyang Leng

Simultaneous wireless information and power transfer (SWIPT) has been proposed to offer communication services and transfer power to the energy harvesting receiver (EHR) concurrently. However, existing works mainly focused on static EHRs,…

信号处理 · 电气工程与系统科学 2024-10-31 Yiming Xu , Dongfang Xu , Shenghui Song

In a multi-user multi-antenna Simultaneous Wireless Information and Power Transfer (SWIPT) network, the transmitter sends information to the Information Receivers (IRs) and energy to Energy Receivers (ERs) concurrently. A conventional…

信息论 · 计算机科学 2019-07-04 Yijie Mao , Bruno Clerckx , Victor O. K. Li

This article reviews some recent promising approaches to make mobile power closer to reality. In contrast with articles commonly published by the microwave community and the communication/signal processing community that separately…

信息论 · 计算机科学 2017-12-19 Bruno Clerckx , Alessandra Costanzo , Apostolos Georgiadis , Nuno Borges Carvalho

This paper is focused on the cross-layer design problem of joint multiuser detection and power control for energy-efficiency optimization in a wireless data network through a game-theoretic approach. Building on work of Meshkati, et al.,…

信息论 · 计算机科学 2015-03-13 Stefano Buzzi , Valeria Massaro , H. Vincent Poor

Energy harvesting for wireless communication networks is a new paradigm that allows terminals to recharge their batteries from external energy sources in the surrounding environment. A promising energy harvesting technology is wireless…

In a rechargeable wireless sensor network, the data packets are generated by sensor nodes at a specific data rate, and transmitted to a base station. Moreover, the base station transfers power to the nodes by using Wireless Power Transfer…

信号处理 · 电气工程与系统科学 2017-11-15 Kai Li , Wei Ni , Lingjie Duan , Mehran Abolhasan , Jianwei Niu

Low-power sensors can be integrated into an aircraft for numerous use cases. Conventionally, these sensors are powered via cables, which introduces various disadvantages to the overall efficiency of the aircraft. Alternatively, batteries…

We consider a point-to-point multiple-input-single-output (MISO) system where a receiver harvests energy from a wireless power transmitter to power itself for various applications. The transmitter performs energy beamforming by using an…

信息论 · 计算机科学 2016-11-17 Gang Yang , Chin Keong Ho , Yong Liang Guan

The performance of wireless communication is fundamentally constrained by the limited battery life of wireless devices, whose operations are frequently disrupted due to the need of manual battery replacement/recharging. The recent advance…

网络与互联网体系结构 · 计算机科学 2016-11-17 Suzhi Bi , Chin Keong Ho , Rui Zhang

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

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…

系统与控制 · 电气工程与系统科学 2025-08-21 Charleston Dale M. Ambatali , Shinichi Nakasuka

Wireless sensing and wireless energy are enablers to pave the way for smart transportation and a greener future. In this paper, an intelligent reflecting surface (IRS) assisted integrated sensing and wireless power transfer (ISWPT) system…

信号处理 · 电气工程与系统科学 2023-12-04 Zheng Li , Zhengyu Zhu , Zheng Chu , Yingying Guan , De Mi , Fan Liu , Lie-Liang Yang

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

Resonant Beam Charging (RBC) is the Wireless Power Transfer (WPT) technology, which can provide high-power, long-distance, mobile, and safe wireless charging for Internet of Things (IoT) devices. Supporting multiple IoT devices charging…

系统与控制 · 计算机科学 2018-09-26 Wen Fang , Qingqing Zhang , Qingwen Liu , Jun Wu , Pengfei Xia

Integrating the wireless power transfer (WPT) technology into the wireless communication system has been important for operational cost saving and power-hungry problem solving of electronic devices. In this paper, we propose a resonant beam…

系统与控制 · 电气工程与系统科学 2021-07-28 Wen Fang , Hao Deng , Qingwen Liu , Mingqing Liu , Mengyuan Xu , Liuqing Yang , Georgios B. Giannakis

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…

信号处理 · 电气工程与系统科学 2020-06-03 Huiyuan Yang , Xiaojun Yuan , Jun Fang , Ying-Chang Liang

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…

信号处理 · 电气工程与系统科学 2021-08-18 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F. Imani , Yonina C. Eldar

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