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In this paper, we study information-theoretic limits for simultaneous wireless information and power transfer (SWIPT) systems employing a practical nonlinear radio frequency (RF) energy harvesting (EH) receiver. In particular, we consider a…

Information Theory · Computer Science 2017-11-06 Rania Morsi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

In this paper, we consider a multi-hop energy harvesting (EH) communication system in a full-duplex mode, where arrival data and harvested energy curves in the source and the relays are modeled as general functions. This model includes the…

Information Theory · Computer Science 2017-01-02 Milad Rezaee , Mahtab Mirmohseni , Vaneet Aggarwal , Mohammad Reza Aref

We consider the wireless powered communications where users harvest energy from non-dedicated sources. The user follows a harvest-then-transmit protocol: in first phase of a slot time the source node harvests energy from a nearby…

Networking and Internet Architecture · Computer Science 2017-01-26 Hongxing Xia , Yongzhao Li , Hailin Zhang

This paper studies a new unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, where a UAV-mounted mobile energy transmitter (ET) is dispatched to deliver wireless energy to a set of on-ground energy receivers (ERs).…

Information Theory · Computer Science 2017-09-25 Jie Xu , Yong Zeng , Rui 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…

Information Theory · Computer Science 2017-05-19 Rania Morsi , Elena Boshkovska , Esmat Ramadan , Derrick Wing Kwan Ng , Robert Schober

Extraction of electromagnetic energy by an antenna from impinging external radiation is at the basis of wireless communications and power transfer (WPT). The maximum of transferred energy is ensured when the antenna is conjugately matched,…

Applied Physics · Physics 2018-04-11 Alex Krasnok , Denis G. Baranov , Andrey Generalov , Sergey Li , Andrea Alu

We first consider an energy harvesting channel with fading, where only the transmitter harvests energy from natural sources. We bound the optimal long term throughput by a constant for a class of energy arrival distributions. The proposed…

Information Theory · Computer Science 2015-01-28 Jainam Doshi , Rahul Vaze

Simultaneous wireless information and power transfer (SWIPT) is a promising solution for enabling long-life, and self-sustainable wireless networks. In this thesis, we propose a practical non-linear energy harvesting (EH) model and design a…

Information Theory · Computer Science 2016-02-03 Elena Boshkovska

In this paper, we consider a wireless powered multi-relay network in which a multi-antenna hybrid access point underlaying a cellular system transmits information to distant receivers. Multiple relays capable of energy harvesting are…

Information Theory · Computer Science 2018-10-23 Jing Xu , Yuze Zou , Shimin Gong , Lin Gao , Dusit Niyato , Wenqing Cheng

This paper investigates unmanned aerial vehicle (UAV)-aided wireless powered communication network (WPCN) systems where a mobile access point (AP) at the UAV serves multiple energy-constrained ground terminals (GTs). Specifically, the UAVs…

Information Theory · Computer Science 2018-01-10 Junhee Park , Hoon Lee , Subin Eom , Inkyu Lee

In this paper, we consider a wireless communication network with a full-duplex hybrid access point (HAP) and a set of wireless users with energy harvesting capabilities. The HAP implements the full-duplex through two antennas: one for…

Information Theory · Computer Science 2014-04-03 Xin Kang , Chin Keong Ho , Sumei Sun

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless powered communication network (WPCN), in which a UAV is dispatched as a mobile access point (AP) to serve a set of ground users periodically. The UAV employs the radio…

Information Theory · Computer Science 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

Lazy scheduling, i.e. setting transmit power and rate in response to data traffic as low as possible so as to satisfy delay constraints, is a known method for energy efficient transmission.This paper addresses an online lazy scheduling…

Information Theory · Computer Science 2013-12-18 Baran Tan Bacinoglu , Elif Uysal-Biyikoglu

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…

Information Theory · Computer Science 2016-11-17 Wenzhu Huang , He Chen , Yonghui Li , Branka Vucetic

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…

Information Theory · Computer Science 2014-10-10 Rania Morsi , Diomidis S. Michalopoulos , Robert Schober

In this paper, we consider delay-optimal power control for an energy harvesting wireless system with finite energy storage. The wireless system is powered solely by a renewable energy source with bursty data arrivals, and is characterized…

Information Theory · Computer Science 2015-06-22 Fan Zhang , Vincent K. N. Lau

Energy harvesting has been developed as an effective technology for communication systems in order to extend the lifetime of these systems. In this work, we consider a singleuser energy harvesting wireless communication system, in which…

Information Theory · Computer Science 2016-01-25 Milad Rezaee , Mahtab Mirmohseni , Mohammad Reza Aref

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…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Kai Li , Wei Ni , Lingjie Duan , Mehran Abolhasan , Jianwei Niu

This paper investigates the end-to-end throughput maximization problem for a two-hop multiple-relay network, with relays powered by simultaneous wireless information and power transfer (SWIPT) technique. Nonlinearity of energy harvester at…

Information Theory · Computer Science 2019-04-25 Qi Gu , Gongpu Wang , Rongfei Fan , Ning Zhang , Zhangdui Zhong

This paper studies multi-user wireless powered communication networks, where energy constrained users charge their energy storages by scavenging energy of the radio frequency signals radiated from a hybrid access point (H-AP). The energy is…

Information Theory · Computer Science 2023-12-05 Hoon Lee , Kyoung-Jae Lee , Hanjin Kim , Bruno Clerckx , Inkyu Lee