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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…

Radio-frequency energy harvesting constitutes an effective way to prolong the lifetime of wireless networks, wean communication devices off the battery and power line, benefit the energy saving and lower the carbon footprint of wireless…

信息论 · 计算机科学 2018-02-13 Yanju Gu , Sonia Aïssa

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

We consider wireless-powered amplify-and-forward and decode-and-forward relaying in cooperative communications, where an energy constrained relay node first harvests energy through the received radio-frequency signal from the source and…

信息论 · 计算机科学 2016-11-18 Ali Arshad Nasir , Xiangyun Zhou , Salman Durrani , Rodney A. Kennedy

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

In this work, we study a multi-user wireless powered communication network (WPCN), where a multi-antenna base station (BS) sends an energy signal to multiple single-antenna users equipped with non-linear energy harvesting (EH) circuits. The…

信息论 · 计算机科学 2022-08-19 Nikita Shanin , Amelie Hagelauer , Laura Cottatellucci , Robert Schober

This paper investigates an orthogonal frequency division multiplexing (OFDM)-based wireless powered communication system, where one user harvests energy from an energy access point (EAP) to power its information transmission to a data…

信息论 · 计算机科学 2016-11-17 Xun Zhou , Chin Keong Ho , Rui Zhang

Ambient RF (Radio Frequency) energy harvesting technique has recently been proposed as a potential solution to provide proactive energy replenishment for wireless devices. This paper aims to analyze the performance of a battery-free…

网络与互联网体系结构 · 计算机科学 2016-11-17 Ian Flint , Xiao Lu , Nicolas Privault , Dusit Niyato , Ping Wang

In this paper, we consider an energy harvesting (EH) node which harvests energy from a radio frequency (RF) signal broadcasted by an access point (AP) in the downlink (DL). The node stores the harvested energy in an energy buffer and uses…

信息论 · 计算机科学 2014-12-04 Rania Morsi , Diomidis S. Michalopoulos , Robert Schober

Power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) is considered in a multi-user multiple-input-single-output broadcast scenario. Specifically, we focus on jointly configuring the transmit beamforming…

信号处理 · 电气工程与系统科学 2022-10-25 Dileep Kumar , Onel L. Alcaraz López , Satya Krishna Joshi , Antti Tölli

Energy harvesting is a promising solution to prolong the operation of energy-constrained wireless networks. In particular, scavenging energy from ambient radio signals, namely wireless energy harvesting (WEH), has recently drawn significant…

信息论 · 计算机科学 2012-11-01 Liang Liu , Rui Zhang , Kee-Chaing Chua

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

An emerging solution for prolonging the lifetime of energy constrained relay nodes in wireless networks is to avail the ambient radio-frequency (RF) signal and to simultaneously harvest energy and process information. In this paper, an…

信息论 · 计算机科学 2016-11-17 A. A. Nasir , X. Zhou , S. Durrani , R. A. Kennedy

This paper studies a novel user cooperation method in a wireless powered cooperative communication network (WPCN) in which a pair of distributed terminal users first harvest wireless energy broadcasted by one energy node (EN) and then use…

信息论 · 计算机科学 2016-10-31 Mingquan Zhong , Suzhi Bi , Xiaohui Lin

In this paper, a wireless powered communication network (WPCN) consisting of a hybrid access point (H-AP) and multiple user equipment (UEs), all of which operate in full-duplex (FD), is described. We first propose a transceiver structure…

信息论 · 计算机科学 2017-06-28 Hyungsik Ju , Yuro Lee , Tae-Joong Kim

This paper advocates the use of the distributed compressed sensing (DCS) paradigm to deploy energy harvesting (EH) Internet of Thing (IoT) devices for energy self-sustainability. We consider networks with signal/energy models that capture…

信息论 · 计算机科学 2021-01-28 Wei Chen , Nikos Deligiannis , Yiannis Andreopoulos , Ian J. Wassell

In this paper, we consider an energy harvesting (EH) node which harvests energy from a radio frequency (RF) signal broadcasted by an access point (AP) in the downlink (DL). The node stores the harvested energy in an energy buffer and uses…

信息论 · 计算机科学 2014-10-10 Rania Morsi , Diomidis S. Michalopoulos , Robert Schober

This paper considers an intelligent reflecting surface(IRS)-aided wireless powered communication network (WPCN), where devices first harvest energy from a power station (PS) in the downlink (DL) and then transmit information using…

信息论 · 计算机科学 2021-09-03 Piao Zeng , Qingqing Wu , Deli Qiao

In energy harvesting communication systems, an exogenous recharge process supplies energy for the data transmission and arriving energy can be buffered in a battery before consumption. Transmission is interrupted if there is not sufficient…

信息论 · 计算机科学 2016-11-17 Omur Ozel , Sennur Ulukus

Low harvested energy poses a significant challenge to sustaining continuous communication in energy harvesting (EH)-powered wireless sensor networks. This is mainly due to intermittent and limited power availability from radio frequency…

信息论 · 计算机科学 2025-01-14 Ngoc M. Ngo , Trung T. Nguyen , Phuc H. Nguyen , Van-Dinh Nguyen