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A status updating system is considered in which multiple data sources generate packets to be delivered to a destination through a shared energy harvesting sensor. Only one source's data, when available, can be transmitted by the sensor at a…

Information Theory · Computer Science 2021-09-16 Christopher Daniel , Ahmed Arafa

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

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

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

This paper considers a multi-source real-time updating system in which an energy harvesting (EH)-powered transmitter node has multiple sources generating status updates about several physical processes. The status updates are then sent to a…

Information Theory · Computer Science 2022-01-28 Mohamed A. Abd-Elmagid , Harpreet S. Dhillon

In this paper, we consider a scenario where an energy harvesting sensor continuously monitors a system and sends time-stamped status updates to a destination. The destination keeps track of the system status through the received updates. We…

Information Theory · Computer Science 2018-06-07 Xianwen Wu , Jing Yang , Jingxian Wu

Consider an energy harvesting (EH) sensor that continuously monitors a system and sends time-stamped status update to a destination. The sensor harvests energy from nature and uses it to power its updating operations. The destination keeps…

Information Theory · Computer Science 2019-05-14 Songtao Feng , Jing Yang

An energy-harvesting sensor node that is sending status updates to a destination is considered. The sensor is equipped with a battery of finite size to save its incoming energy, and consumes one unit of energy per status update…

Information Theory · Computer Science 2019-05-10 Ahmed Arafa , Jing Yang , Sennur Ulukus , H. Vincent Poor

We consider a novel intermittent status updating model where an energy harvesting node with an intermittent energy source performs status updating to a receiver through non-preemptive sensing and transmission operations. Each operation…

Information Theory · Computer Science 2020-02-24 Omur Ozel

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

A status updating system is considered in which a source updates a destination over an erasure channel. The utility of the updates is measured through a function of their age-of-information (AoI), which assesses their freshness. Correlated…

Information Theory · Computer Science 2023-02-24 Ahmed Arafa , Karim Banawan

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

We consider a status updating system where having timely knowledge about the information source at the destination (monitor) is of utmost importance. By utilizing the age of information (AoI) metric, the freshness of status update over an…

Information Theory · Computer Science 2019-11-15 Alireza Javani , Marwen Zorgui , Zhiying Wang

Age of Information is a measure of the freshness of status updates in monitoring applications and update-based systems. We study a real-time remote sensing scenario with a sensor which is restricted by time-varying energy constraints and…

Information Theory · Computer Science 2017-02-07 Baran Tan Bacinoglu , Elif Uysal-Biyikoglu

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

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

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

Information freshness is crucial for time-critical IoT applications, e.g., monitoring and control systems. We consider an IoT status update system with multiple users, multiple energy harvesting sensors, and a wireless edge node. The users…

Signal Processing · Electrical Eng. & Systems 2022-02-01 Mohammad Hatami , Markus Leinonen , Marian Codreanu

In status update systems, multiple features carried by the status updating process require pursuit of objectives beyond timeliness measured by the age of information of updates. We consider such a problem where the transmitter sends status…

Information Theory · Computer Science 2022-02-24 Omur Ozel , Aylin Yener , Sennur Ulukus

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
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