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In this paper, a real-time Internet of Things (IoT) monitoring system is considered in which the IoT devices are scheduled to sample underlying physical processes and send the status updates to a common destination. In a real-world IoT, due…

Information Theory · Computer Science 2020-01-27 Bo Zhou , Walid Saad

Beyond fifth generation wireless communication networks (B5G) are applied in many use-cases, such as industrial control systems, smart public transport, and power grids. Those applications require innovative techniques for timely…

Information Theory · Computer Science 2024-10-28 Robert-Jeron Reifert , Stefan Roth , Aydin Sezgin

In this paper, the problem of minimizing the weighted sum of age of information (AoI) and total energy consumption of Internet of Things (IoT) devices is studied. In the considered model, each IoT device monitors a physical process that…

Information Theory · Computer Science 2021-09-09 Sihua Wang , Mingzhe Chen , Zhaohui Yang , Changchuan Yin , Walid Saad , Shuguang Cui , H. Vincent Poor

The Age of Incorrect Information (AoII) is a metric that can combine the freshness of the information available to a gateway in an Internet of Things (IoT) network with the accuracy of that information. As such, minimizing the AoII can…

Information Theory · Computer Science 2023-01-27 Anupam Nayak , Anders E. Kalør , Federico Chiariotti , Petar Popovski

This work is motivated by the need of collecting fresh data from power-constrained sensors in the industrial Internet of Things (IIoT) network. A recently proposed metric, the Age of Information (AoI) is adopted to measure data freshness…

Information Theory · Computer Science 2020-03-12 Haoyue Tang , Jintao Wang , Linqi Song , Jian Song

In this article, we provide an accessible introduction to the emerging idea of Age of Information (AoI) that quantifies freshness of information and explore its possible role in the efficient design of freshness-aware Internet of Things…

Information Theory · Computer Science 2019-12-10 Mohamed A. Abd-Elmagid , Nikolaos Pappas , Harpreet S. Dhillon

This paper investigates the information freshness of Industrial Internet of Things (IIoT) systems, where each IoT device makes a partial observation of a common target and transmits the information update to a central receiver to recover…

Information Theory · Computer Science 2025-11-04 Jiaxin Liang , Tse-Tin Chan , Haoyuan Pan

In this paper, we consider the multicast transmission of a real-time Internet of Things (IoT) system, where an access point (AP) transmits time-stamped status updates to multiple IoT devices. Different from the existing studies that only…

Information Theory · Computer Science 2020-03-20 Jie Li , Yong Zhou , He Chen

Data collected and transmitted by Internet of things (IoT) devices are typically used for control and monitoring purposes; and hence, their timely delivery is of utmost importance for the underlying applications. However, IoT devices…

Information Theory · Computer Science 2020-04-24 Elvina Gindullina , Leonardo Badia , Deniz Gündüz

In this paper, a real-time Internet of Things (IoT) monitoring system is considered in which multiple IoT devices must transmit timely updates on the status information of a common underlying physical process to a common destination. In…

Information Theory · Computer Science 2020-04-15 Bo Zhou , Walid Saad

This paper considers a cooperative Internet of Things (IoT) system with a source aiming to transmit randomly generated status updates to a designated destination as timely as possible under the help of a relay. We adopt a recently proposed…

Information Theory · Computer Science 2021-01-05 Bohai Li , Qian Wang , He Chen , Yong Zhou , Yonghui Li

Age of information (AoI) is gaining attention as a valuable performance metric for many IoT systems, in which a large number of devices report time-stamped updates to a central gateway. This is the case, for instance, of remote sensing,…

Networking and Internet Architecture · Computer Science 2021-02-16 Andrea Munari

More and more emerging Internet of Things (IoT) applications involve status updates, where various IoT devices monitor certain physical processes and report their latest statuses to the relevant information fusion nodes. A new performance…

Networking and Internet Architecture · Computer Science 2020-04-01 Zixiao Han , Jiaxin Liang , Yifan Gu , He Chen

Towards realizing an intelligent networked society, enabling low-cost low-energy connectivity for things, also known as Internet of Things (IoT), is of crucial importance. While the existing wireless access networks require centralized…

Signal Processing · Electrical Eng. & Systems 2020-08-05 Amin Azari , Mahmoud Abbasi

Scheduling updates from remote sensors is a key task for the internet of things (IoT). In this context, the mathematical concept of age of information is often used to capture the freshness of received data. This is, in turn, relevant to…

Information Theory · Computer Science 2022-08-31 Andrea Munari , Leonardo Badia

Many emerging Internet of Things (IoT) applications rely on information collected by sensor nodes where the freshness of information is an important criterion. \textit{Age of Information} (AoI) is a metric that quantifies information…

The effective operation of time-critical Internet of things (IoT) applications requires real-time reporting of fresh status information of underlying physical processes. In this paper, a real-time IoT monitoring system is considered, in…

Information Theory · Computer Science 2019-07-25 Bo Zhou , Walid Saad

This paper considers an Industrial Internet of Thing (IIoT) system with a source monitoring a dynamic process with randomly generated status updates. The status updates are sent to an designated destination in a real-time manner over an…

Information Theory · Computer Science 2019-12-17 Qian Wang , He Chen , Yonghui Li , Zhibo Pang , Branka Vucetic

Effective control of time-sensitive industrial applications depends on the real-time transmission of data from underlying sensors. Quantifying the data freshness through age of information (AoI), in this paper, we jointly design sampling…

Information Theory · Computer Science 2023-12-19 Yali Cao , Yinglei Teng , Mei Song , Nan Wang

We consider the multicast transmission of a real-time Internet of Things (IoT) system, where a server transmits time-stamped status updates to multiple IoT devices. We apply a recently proposed metric, named age of information (AoI), to…

Information Theory · Computer Science 2020-02-07 Jie Li , Yong Zhou , He Chen
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