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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

Devices can now be powered wirelessly by Access Points (APs). However, an AP cannot transmit frequently to charge devices as it may starve other nearby APs operating on the same channel. Consequently, there is a need to schedule the…

Networking and Internet Architecture · Computer Science 2017-09-05 Kwan-Wu Chin

In this paper, we consider an information update system where wireless sensor sends timely updates to the destination over a random blocking terahertz channel with the supply of harvested energy and reliable energy backup. The paper aims to…

Information Theory · Computer Science 2021-10-19 Lixin Wang , Fuzhou Peng , Xiang Chen , Shidong Zhou

In this paper, we consider an information update system where a wireless sensor sends timely updates to the destination over an erasure channel with the supply of harvested energy and reliable backup energy. The metric Age of…

Information Theory · Computer Science 2022-07-27 Lixin Wang , Fuzhou Peng , Xiang Chen , Shidong Zhou

As energy harvesting communication systems emerge, there is a need for transmission schemes that dynamically adapt to the energy harvesting process. In this paper, after exhibiting a finite-horizon online throughput-maximizing scheduling…

Information Theory · Computer Science 2013-05-21 Baran Tan Bacinoglu , Elif Uysal-Biyikoglu

We study the real-time remote tracking of a two-state Markov process by an energy harvesting source. The source decides whether to transmit over an unreliable channel based on the state. We formulate this scenario as a Markov decision…

Information Theory · Computer Science 2024-10-16 Mehrdad Salimnejad , Anthony Ephremides , Marios Kountouris , Nikolaos Pappas

In this study, we investigate the optimal transmission policies within an energy harvesting status update system, where the demand for status updates depends on the state of the source. The system monitors a two-state Markovian source that…

Information Theory · Computer Science 2024-05-07 Erfan Delfani , George J. Stamatakis , Nikolaos Pappas

In this paper, we propose a novel censoring policy for energy-efficient transmissions in energy-harvesting sensors. The problem is formulated as an infinite-horizon Markov Decision Process (MDP). The objective to be optimized is the…

Systems and Control · Electrical Eng. & Systems 2025-02-04 Jesus Fernandez-Bes , Jesus Cid-Sueiro , Antonio G. Marques

In this work, we derive optimal transmission policies in an energy harvesting status update system. The system monitors a stochastic process which can be either in a normal or in an alarm state of operation. We capture the freshness of…

Information Theory · Computer Science 2019-07-10 George Stamatakis , Nikolaos Pappas , Apostolos Traganitis

Herein, minimization of time-averaged age-of-information (AoI) in an energy harvesting (EH) source setting is considered. The EH source opportunistically samples one or multiple processes over discrete time instants and sends the status…

Systems and Control · Electrical Eng. & Systems 2024-06-04 Akanksha Jaiswal , Arpan Chattopadhyay , Amokh Varma

We consider an energy harvesting information update system where a sensor is allowed to choose a transmission mode for each transmission, where each mode consists of a transmission power-error pair. We also incorporate the battery…

Information Theory · Computer Science 2019-12-13 Caglar Tunc , Shivendra Panwar

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

We consider status updating under inexact knowledge of the battery level of an energy harvesting (EH) sensor that sends status updates about a random process to users via a cache-enabled edge node. More precisely, the control decisions are…

Systems and Control · Electrical Eng. & Systems 2022-04-13 Mohammad Hatami , Markus Leinonen , Marian Codreanu

We consider the power allocation of the physical layer and the buffer delay of the upper application layer in energy harvesting green networks. The total power required for reliable transmission includes the transmission power and the…

Information Theory · Computer Science 2013-12-02 Tian Zhang , Wei Chen , Zhu Han , Zhigang Cao

We consider online scheduling policies for single-user energy harvesting communication systems, where the goal is to characterize online policies that maximize the long term average utility, for some general concave and monotonically…

Information Theory · Computer Science 2017-06-02 Ahmed Arafa , Abdulrahman Baknina , Sennur Ulukus

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

A real-time status updating system is considered, in which an energy harvesting sensor is acquiring measurements regarding some physical phenomenon and sending them to a destination through an erasure channel. The setting is online, in…

Information Theory · Computer Science 2019-05-01 Ahmed Arafa , Jing Yang , Sennur Ulukus , H. Vincent Poor

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

We consider an energy harvesting sensor that is sending measurement updates regarding some physical phenomenon to a destination. The sensor relies on energy harvested from nature to measure and send its updates, and is equipped with a…

Information Theory · Computer Science 2018-02-06 Ahmed Arafa , Jing Yang , Sennur Ulukus

For Industrial Wireless Sensor Networks, it is essential to reliably sense and deliver the environmental data on time to avoid system malfunction. While energy harvesting is a promising technique to extend the lifetime of sensor nodes, it…

Networking and Internet Architecture · Computer Science 2016-05-12 Lei Lei , Yiru Kuang , Xuemin , Shen , Kan Yang , Jian Qiao , Zhangdui Zhong
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