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We consider an energy harvesting transmitter broadcasting data to two receivers. Energy and data arrivals are assumed to occur at arbitrary but known instants. The goal is to minimize the total transmission time of the packets arriving…

Information Theory · Computer Science 2011-11-29 Hakan Erkal , F. Mehmet Ozcelik , Elif Uysal-Biyikoglu

We propose a new energy harvesting strategy that uses a dedicated energy source (ES) to optimally replenish energy for radio frequency (RF) energy harvesting powered Internet of Things. Specifically, we develop a two-step dual tunnel energy…

Signal Processing · Electrical Eng. & Systems 2020-02-24 Yu Luo , Lina Pu , Yanxiao Zhao , Guodong Wang , Min Song

In this paper, we consider a wireless powered communication system, where an energy harvesting (EH) node harvests energy from a radio frequency (RF) signal broadcasted by an access point (AP) in the downlink (DL). The node stores the…

Information Theory · Computer Science 2017-10-12 Rania Morsi , Diomidis S. Michalopoulos , Robert Schober

The significant presence of demand charges in electric bills motivates large-load customers to utilize energy storage to reduce the peak procurement from the grid. We herein study the problem of energy storage allocation for peak…

Data Structures and Algorithms · Computer Science 2022-09-20 Yanfang Mo , Qiulin Lin , Minghua Chen , Si-Zhao Joe Qin

We consider an online version of the well-studied network utility maximization problem, where users arrive one by one and an operator makes irrevocable decisions for each user without knowing the details of future arrivals. We propose a…

Data Structures and Algorithms · Computer Science 2021-01-27 Ying Cao , Bo Sun , Danny H. K. Tsang

We study an unmanned aerial vehicle (UAV) identification network equipped with an energy harvesting (EH) technique. In the network, the UAVs harvest energy through radio frequency (RF) signals transmitted from ground control stations (GCSs)…

Information Theory · Computer Science 2021-08-24 Jae Cheol Park , Kyu-Min Kang , Junil Choi

In this paper, we design an optimal sensor collaboration strategy among neighboring nodes while tracking a time-varying parameter using wireless sensor networks in the presence of imperfect communication channels. The sensor network is…

Signal Processing · Electrical Eng. & Systems 2018-07-04 Shan Zhang , Sijia Liu , Vinod Sharma , Pramod K. Varshney

Energy harvesting (EH) nodes can play an important role in cooperative communication systems which do not have a continuous power supply. In this paper, we consider the optimization of conventional and buffer-aided link adaptive EH relaying…

Information Theory · Computer Science 2016-11-17 Imtiaz Ahmed , Aissa Ikhlef , Robert Schober , Ranjan K. Mallik

In this paper, we propose an online power allocation scheme to maximize the time averaged sum rate for multiple downlink receivers with energy harvesting transmitter. The transmitter employs non-orthogonal multiple access (NOMA) and/or…

Information Theory · Computer Science 2019-11-21 Mateen Ashraf , Zijian Wang , Luc Vandendorpe

Consider an energy harvesting sensor continuously monitors a system and sends time-stamped status update to a destination. The destination keeps track of the system status through the received updates. Under the energy causality constraint…

Networking and Internet Architecture · Computer Science 2018-03-12 Songtao Feng , Jing Yang

Energy harvesting (EH) from ambient radio-frequency (RF) electromagnetic waves is an efficient solution for fully autonomous and sustainable communication networks. Most of the related works presented in the literature are based on specific…

Information Theory · Computer Science 2016-11-18 Ioannis Krikidis

Communication nodes with the ability to harvest energy from the environment have the potential to operate beyond the timeframe limited by the finite capacity of their batteries; and accordingly, to extend the overall network lifetime.…

Information Theory · Computer Science 2011-09-27 Deniz Gunduz , Bertrand Devillers

An energy harvesting sensor that is sending status updates to a destination through an erasure channel is considered, in which transmissions are prone to being erased with some probability $q$, independently from other transmissions. The…

Information Theory · Computer Science 2018-11-13 Ahmed Arafa , Jing Yang , Sennur Ulukus , H. Vincent Poor

Energy harvesting (EH) based communication has raised great research interests due to its wide application and the feasibility of commercialization. In this paper, we consider wireless communications with EH constraints at the transmitter.…

Information Theory · Computer Science 2016-06-16 Hang Li , Chuan Huang , Fuad Alsaadi , Shuguang Cui

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

A sensor node that is sending measurement updates regarding some physical phenomenon to a destination is considered. The sensor relies on energy harvested from nature to transmit its updates, and is equipped with a finite $B$-sized battery…

Information Theory · Computer Science 2018-02-26 Ahmed Arafa , Jing Yang , Sennur Ulukus , H. Vincent Poor

RF energy harvesting can be used to power communication devices so that perpetual operation of such devices can be ensured. We consider a RF energy harvesting underlay cognitive radio system operating in slotted fashion. The primary user…

Information Theory · Computer Science 2016-05-03 Kalpant Pathak , Adrish Banerjee

We study the problem of online power control for energy harvesting communication nodes with random energy arrivals and a finite battery. We assume a block i.i.d. stochastic model for the energy arrivals, in which the energy arrivals are…

Information Theory · Computer Science 2017-06-27 Dor Shaviv , Ayfer Özgür

Energy harvesting multi-hop networks allow for perpetual operation of low cost, limited range wireless devices. Compared with their battery operated counterparts, the coupling of energy and data causality constraints with half duplex relay…

Information Theory · Computer Science 2015-07-14 Oner Orhan , Elza Erkip

The time average expected age of information (AoI) is studied for status updates sent over an error-prone channel from an energy-harvesting transmitter with a finite-capacity battery. Energy cost of sensing new status updates is taken into…

Information Theory · Computer Science 2021-07-01 Elif Tugce Ceran , Deniz Gunduz , Andras Gyorgy