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This letter considers a multi-pair decode-and-forward relay network where a power-splitting (PS) protocol is adopted at the energy-constrained relay to provide simultaneous wireless information and energy harvesting (EH). To achieve higher…

Signal Processing · Electrical Eng. & Systems 2020-03-20 Van-Phuc Bui , Van-Dinh Nguyen , Hieu V. Nguyen , Octavia A. Dobre , Oh-Soon Shin

Due to the fundamental tradeoffs, achieving spectrum efficiency and energy efficiency are two contending design challenges for the future wireless networks. However, applying radio-frequency (RF) energy harvesting (EH) in a cognitive radio…

Information Theory · Computer Science 2016-11-17 Valentin Rakovic , Daniel Denkovski , Zoran Hadzi-Velkov , Liljana Gavrilovska

One of the main concerns in traditional Wireless Sensor Networks (WSNs) is energy efficiency. In this work, we analyze two techniques that can extend network lifetime. The first is Ambient \emph{Energy Harvesting} (EH), i.e., the capability…

Information Theory · Computer Science 2016-01-18 Alessandro Biason , Michele Zorzi

In this work, a MIMO broadcast channel under the energy harvesting (EH) constraint and the peak power constraint is investigated. The transmitter is equipped with a hybrid energy storage system consisting of a perfect super capacitor (SC)…

Information Theory · Computer Science 2015-11-09 Zhi Chen , Pingyi Fan , Dapeng Oliver Wu , Khaled Ben Letaief

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,…

Information Theory · Computer Science 2018-09-11 Mehdi Salehi Heydar Abad , Ozgur Ercetin

This paper studies the newly emerging wireless powered communication network (WPCN) in which one hybrid access point (H-AP) with constant power supply coordinates the wireless energy/information transmissions to/from distributed users that…

Information Theory · Computer Science 2014-07-22 Hyunsgsik Ju , Rui Zhang

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…

Information Theory · Computer Science 2016-11-15 Ioannis Krikidis , Stelios Timotheou , Symeon Nikolaou , Gan Zheng , Derrick Wing Kwan Ng , Robert Schober

In this paper, short-term throughput optimal power allocation policies are derived for an energy harvesting transmitter with energy storage losses. In particular, the energy harvesting transmitter is equipped with a battery that loses a…

Information Theory · Computer Science 2015-03-20 Kaya Tutuncuoglu , Aylin Yener

In this paper, we study wireless networked control systems in which the sensing devices are powered by energy harvesting. We consider a scenario with multiple plants, where the sensors communicate their measurements to their respective…

Optimization and Control · Mathematics 2018-01-31 Miguel Calvo-Fullana , Carles Antón-Haro , Javier Matamoros , Alejandro Ribeiro

We consider the optimal packet scheduling problem in a single-user energy harvesting wireless communication system. In this system, both the data packets and the harvested energy are modeled to arrive at the source node randomly. Our goal…

Information Theory · Computer Science 2010-10-08 Jing Yang , Sennur Ulukus

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

Energy harvesting (EH) has recently emerged as a key technology for green communications as it can power wireless networks with renewable energy sources. However, directly replacing the conventional non-EH transmitters by EH nodes will be a…

Information Theory · Computer Science 2016-11-17 Yaming Luo , Jun Zhang , Khaled B. Letaief

This article summarizes recent contributions in the broad area of energy harvesting wireless communications. In particular, we provide the current state of the art for wireless networks composed of energy harvesting nodes, starting from the…

Information Theory · Computer Science 2016-11-17 Sennur Ulukus , Aylin Yener , Elza Erkip , Osvaldo Simeone , Michele Zorzi , Pulkit Grover , Kaibin Huang

We consider an energy harvesting (EH) multi-antenna relay based cooperative cognitive radio network (CCRN), and investigate its outage and throughput performance with the peak-interference type of power control for both time-switching (TS)…

Information Theory · Computer Science 2020-09-22 Komal Janghel , Shankar Prakriya

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…

Information Theory · Computer Science 2021-05-12 Nikita Shanin , Laura Cottatellucci , Robert Schober

In this paper, a two-hop communication system with energy harvesting nodes is considered. Unlike battery powered wireless nodes, both the source and the relay are able to harvest energy from environment during communication, therefore, both…

Information Theory · Computer Science 2012-03-01 Oner Orhan , Elza Erkip

Energy harvesting emerges as a potential solution for prolonging the lifetime of the energy-constrained mobile wireless devices. In this paper, we focus on Radio Frequency (RF) energy harvesting for multiuser multicarrier mobile wireless…

Networking and Internet Architecture · Computer Science 2017-07-24 Bassem Khalfi , Bechir Hamdaoui , Mahdi Ben Ghorbel , Mohsen Guizani , Xi Zhang , Nizar Zorba

A point-to-point wireless communication system in which the transmitter is equipped with an energy harvesting device and a rechargeable battery, is studied. Both the energy and the data arrivals at the transmitter are modeled as Markov…

Machine Learning · Computer Science 2013-05-31 Pol Blasco , Deniz Gündüz , Mischa Dohler

An underlay cognitive radio network with energy harvesting is considered which operates in slotted fashion. The primary user (PU) transmits with a constant power in each slot, while the secondary user (SU) either harvests energy from…

Information Theory · Computer Science 2018-05-08 Kalpant Pathak , Adrish Banerjee

As large-scale dense and often randomly deployed wireless sensor networks (WSNs) become widespread, local information exchange between co-located sets of nodes may play a significant role in handling the excessive traffic volume. Moreover,…