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We consider data transmission with an energy harvesting transmitter which has a hybrid energy storage unit composed of a perfectly efficient super-capacitor (SC) and an inefficient battery. The SC has finite space for energy storage while…

Information Theory · Computer Science 2013-05-24 Omur Ozel , Khurram Shahzad , Sennur Ulukus

In this paper we initiate the study of minimizing power consumption in the broadcast scheduling model. In this setting there is a wireless transmitter. Over time requests arrive at the transmitter for pages of information. Multiple requests…

Data Structures and Algorithms · Computer Science 2010-07-23 Benjamin Moseley

Energy harvesting (EH) has been developed to extend the lifetimes of energy-limited communication systems. In this letter, we consider a single-user EH communication system, in which both of the arrival data and the harvested energy curves…

Information Theory · Computer Science 2017-01-20 Milad Rezaee , Mahtab Mirmohseni , Mohammad Reza Aref

We study remote estimation in a wireless sensor network. Instead of using a conventional battery-powered sensor, a sensor equipped with an energy harvester which can obtain energy from the external environment is utilized. We formulate this…

Optimization and Control · Mathematics 2014-02-25 Yuzhe Li , Daniel E. Quevedo , Vincent Lau , Subhrakanti Dey , Ling Shi

In this paper, we consider a scenario where one energy harvesting and one battery operated sensor cooperatively transmit a common message to a distant base station. The goal is to find the jointly optimal transmission (power allocation)…

Information Theory · Computer Science 2012-11-14 Lazar Berbakov , Carles Antón-Haro , Javier Matamoros

The rapid growth of the so-called Internet of Things is expected to significantly expand and support the deployment of resource-limited devices. Therefore, intelligent scheduling protocols and technologies such as wireless power transfer,…

Information Theory · Computer Science 2021-05-06 Maria Dimitropoulou , Constantinos Psomas , Ioannis Krikidis

It has been shown that using appropriate channel coding schemes in wireless environments, transmission energy can be significantly reduced by controlling the packet transmission rate. This paper seeks optimal solutions for downlink…

Optimization and Control · Mathematics 2016-11-17 Lei Miao , Jianfeng Mao , Christos G. Cassandras

This paper develops a novel approach to obtaining energy-efficient transmission schedules for delay-limited bursty data arrivals under non-ideal circuit power consumption. Assuming a-prior knowledge of packet arrivals, deadlines and channel…

Information Theory · Computer Science 2015-03-27 Zheng Nan , Tianyi Chen , Xin Wang , Wei Ni

In this letter, a novel wireless powered protocol is proposed to maximize the system throughput of an energy harvesting (EH) based cognitive radio network, while satisfying a minimum primary user rate requirement. For EH, we exploit both…

Information Theory · Computer Science 2020-02-07 Anirudh Agarwal , Deepak Mishra

In this paper, we consider a full duplex wireless powered communication network where multiple users with radio frequency energy harvesting capability communicate to an energy broadcasting hybrid access point. We investigate the minimum…

Systems and Control · Electrical Eng. & Systems 2020-02-11 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

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 show how to achieve close-to-optimal utility performance in energy harvesting networks with only finite capacity energy storage devices. In these networks, nodes are capable of harvesting energy from the environment. The…

Optimization and Control · Mathematics 2010-12-10 Longbo Huang , Michael J. Neely

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

We consider power allocation for an access-controlled transmitter with energy harvesting capability based on causal observations of the channel fading state. We assume that the system operates in a time-slotted fashion and the channel gain…

Information Theory · Computer Science 2017-08-04 Zhe Wang , Vaneet Aggarwal , Xiaodong Wang

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

One of the main issues in the design of sensor networks is energy efficient communication of time-critical data. Energy wastage can be caused by failed packet transmission attempts at each node due to channel dynamics and interference.…

Networking and Internet Architecture · Computer Science 2011-05-24 Rahul Srivastava , Can Emre Koksal

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

This paper studies the problem of scheduling in single-hop wireless networks with real-time traffic, where every packet arrival has an associated deadline and a minimum fraction of packets must be transmitted before the end of the deadline.…

Networking and Internet Architecture · Computer Science 2010-07-12 Juan Jose Jaramillo , R. Srikant , Lei Ying

Radio frequency (RF) energy harvesting is key in attaining perpetual lifetime for time-critical wireless powered communication networks due to full control on energy transfer, far field region, small and low-cost circuitry. In this paper,…

Signal Processing · Electrical Eng. & Systems 2020-06-23 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

In this paper, we investigate resource allocation strategies for a point-to-point wireless communications system with hybrid energy sources consisting of an energy harvester and a conventional energy source. In particular, as an incentive…

Information Theory · Computer Science 2014-04-07 Xin Kang , Yeow-Khiang Chia , Chin Keong Ho , Sumei Sun