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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

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

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

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

We consider an IoT sensing network with multiple users, multiple energy harvesting sensors, and a wireless edge node acting as a gateway between the users and sensors. The users request for updates about the value of physical processes,…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Mohammad Hatami , Mojtaba Jahandideh , Markus Leinonen , Marian Codreanu

We study status updating under inexact knowledge about the battery levels of the energy harvesting sensors in an IoT network, where users make on-demand requests to a cache-enabled edge node to send updates about various random processes…

Systems and Control · Electrical Eng. & Systems 2023-09-21 Mohammad Hatami , Markus Leinonen , Marian Codreanu

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

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

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

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

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

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

We consider an energy harvesting source equipped with a finite battery, which needs to send timely status updates to a remote destination. The timeliness of status updates is measured by a non-decreasing penalty function of the Age of…

Information Theory · Computer Science 2019-05-23 Baran Tan Bacinoglu , Yin Sun , Elif Uysal , Volkan Mutlu

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

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

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 two-hop energy harvesting communication network is considered, in which measurement updates are transmitted by a source to a destination through an intermediate relay. Updates are to be sent in a timely fashion that minimizes the age of…

Information Theory · Computer Science 2019-06-18 Ahmed Arafa , Sennur Ulukus

We consider an energy harvesting (EH) IoT network, where users make on-demand requests to a cache-enabled edge node to send status updates about various random processes, each monitored by an EH sensor. The edge node serves users' requests…

Systems and Control · Electrical Eng. & Systems 2022-12-13 Mohammad Hatami , Markus Leinonen , Marian Codreanu

This paper analyzes the communication between two energy harvesting wireless sensor nodes. The nodes use automatic repeat request and forward error correction mechanism for the error control. The random nature of available energy and…

Information Theory · Computer Science 2017-10-26 Animesh Yadav , Mathew Goonewardena , Wessam Ajib , Octavia A. Dobre , Halima Elbiaze

The time average expected age of information (AoI) is studied for status updates sent from an energy-harvesting transmitter with a finite-capacity battery. The optimal scheduling policy is first studied under different feedback mechanisms…

Signal Processing · Electrical Eng. & Systems 2019-02-26 Elif Tuğçe Ceran , Deniz Gündüz , András György
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