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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 study investigates the outage performance of an under-laying wireless-powered secondary system that reuses the primary users (PU) spectrum in a multiple-input multiple-output (MIMO) cognitive radio (CR) network. Each secondary user…

Information Theory · Computer Science 2023-09-19 Iman Pazouki , Roshanak Soltani , Mohammad Lari

We consider a multi-pair amplify-and-forward relay network where the energy-constrained relays adopting time-switching protocol harvest energy from the radio frequency signals transmitted by the users for assisting user data transmission.…

Information Theory · Computer Science 2018-10-16 Kien-Giang Nguyen , Quang-Doanh Vu , Le-Nam Tran , Markku Juntti

This paper studies a system where a set of $N$ relay nodes harvest energy from the signal received from a source to later utilize it when forwarding the source's data to a destination node via distributed beamforming. To this end, we derive…

Information Theory · Computer Science 2017-03-07 Muhammad Ozair Iqbal , Ammar Mahmood , Muhammad Mahboob Ur Rahman , Qammer H. Abbasi

This paper presents two-hop relay gain-scheduling control in a Wireless Sensor Network to estimate a static target prior characterized by Gaussian probability distribution. The target is observed by a network of linear sensors, whose…

Networking and Internet Architecture · Computer Science 2016-11-17 Johann A. Bengua , Hoang D. Tuan , Ho N. Phien , Ha H. Kha

For enhancing transmission performance, privacy level and energy manipulating efficiency of wireless networks, this paper initiates a novel simultaneous wireless information and power transfer (SWIPT) full-duplex (FD) relaying protocol,…

Signal Processing · Electrical Eng. & Systems 2020-02-10 Yuanjian Li , Rui Zhao , Zhiqiao Nie , A. Hamid Aghvami

The difficulty of modeling energy consumption in communication systems leads to challenges in energy harvesting (EH) systems, in which nodes scavenge energy from their environment. An EH receiver must harvest enough energy for demodulating…

Information Theory · Computer Science 2017-04-18 Zhengwei Ni , Mehul Motani

This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Optimal relay subset selection with the objective of maximizing…

Information Theory · Computer Science 2008-05-23 Caleb K. Lo , Sriram Vishwanath , Robert W. Heath

The conventional assumption made in the design of communication systems is that the energy used to transfer information between a sender and a recipient cannot be reused for future communication tasks. A notable exception to this norm is…

Information Theory · Computer Science 2012-04-10 Petar Popovski , Osvaldo Simeone

In various wireless systems, such as sensor RFID networks and body area networks with implantable devices, the transmitted signals are simultaneously used both for information transmission and for energy transfer. In order to satisfy the…

Information Theory · Computer Science 2016-11-18 Ali Mohammad Fouladgar , Osvaldo Simeone , Elza Erkip

The 5G wireless network architecture will bring dense deployments of base stations called {\em small cells} for both outdoors and indoors traffic. The feasibility of their dense deployments depends on the existence of a high data-rate…

Information Theory · Computer Science 2015-08-04 Song-Nam Hong , Ivana Maric , Dennis Hui

Practical energy harvesting (EH) based communication systems typically use a battery to temporarily store the harvested energy prior to its use for communication. The batteries can be damaged when they are repeatedly charged (discharged)…

Information Theory · Computer Science 2018-12-19 Rajshekhar Vishweshwar Bhat , Mehul Motani , Chandra R Murthy , Rahul Vaze

This paper investigates the secure communication in a two-hop cooperative wireless network, where a buffer-aided relay is utilized to forward data from the source to destination, and a passive eavesdropper attempts to intercept data…

Information Theory · Computer Science 2018-02-20 Ji He , Jia Liu , Yulong Shen , Xiaohong Jiang

This paper investigates an indoor hybrid visible light communication (VLC) and radio frequency (RF) scenario with two-hop downlink transmission. A light emitting diode (LED) transmits both data and energy via VLC to an energy-harvesting…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

This paper considers max-min fairness for wireless energy transfer in a downlink multiuser communication system. Our resource allocation design maximizes the minimum harvested energy among multiple multiple-antenna energy harvesting…

Information Theory · Computer Science 2014-04-08 Derrick Wing Kwan Ng , Robert Schober

We consider an energy harvesting source that is collecting measurements from a physical phenomenon and sending updates to a destination within a communication session time. Updates incur transmission delays that are function of the energy…

Information Theory · Computer Science 2017-12-12 Ahmed Arafa , Sennur Ulukus

The problem of minimizing the total power consumption while satisfying different quality-of-service (QoS) requirements in a two-hop multiple-input multiple-output network with a single non-regenerative relay is considered. As shown by Y.…

Information Theory · Computer Science 2013-03-13 Luca Sanguinetti , Antonio A. D'Amico

In this letter, we consider the control of an energy self-sufficient receiver in a multi-access network with simultaneous wireless information and energy transfer. Multiple transmitters send data to a common receiver whose only source of…

Signal Processing · Electrical Eng. & Systems 2019-02-08 Yunus Sarikaya , Ozgur Ercetin

In this paper, we consider a wireless cooperative network with an energy harvesting relay which is powered by the energy harvested from ambient RF waves, such as that of a data packet. At any given time, the relay operates either in the…

Networking and Internet Architecture · Computer Science 2017-06-06 Masoumeh Moradian , Farid Ashtiani , Ying Jun Zhang

This paper studies a novel user cooperation method in a wireless powered communication network (WPCN), where a pair of closely located devices first harvest wireless energy from an energy node (EN) and then use the harvested energy to…

Networking and Internet Architecture · Computer Science 2018-07-03 Wanran Xu , Suzhi Bi , Xiaohui Lin , Juan Wang