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Related papers: On the Peak AoI of UAV-assisted IoT Networks: A St…

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With the surge in IoT devices ranging from wearables to smart homes, prompt transmission is crucial. The Age of Information (AoI) emerges as a critical metric in this context, representing the freshness of the information transmitted across…

Computers and Society · Computer Science 2025-05-06 Aymen Hamrouni , Sofie Pollin , Hazem Sallouha

In this paper we analyze the distribution of the Age of Information (AoI) of a tagged data stream sharing a processor with a set of other data streams. We do so in the highly general setting in which the interarrival times pertaining to the…

Networking and Internet Architecture · Computer Science 2025-02-20 Yoshiaki Inoue , Michel Mandjes

Low Earth Orbit (LEO) satellite constellations are bringing the Internet of Things (IoT) to the space arena, also known as non-terrestrial networks. Several IoT satellite applications for tracking ships and cargo can be seen as exemplary…

Networking and Internet Architecture · Computer Science 2020-07-13 Federico Chiariotti , Olga Vikhrova , Beatriz Soret , Petar Popovski

The notion of age-of-information (AoI) is investigated in the context of large-scale wireless networks, in which transmitters need to send a sequence of information packets, which are generated as independent Bernoulli processes, to their…

Information Theory · Computer Science 2020-12-24 Howard H. Yang , Chao Xu , Xijun Wang , Daquan Feng , Tony Q. S. Quek

In a typical Internet of Things (IoT) application where a central controller collects status updates from multiple terminals, e.g., sensors and monitors, through a wireless multiaccess uplink, an important problem is how to attain timely…

Information Theory · Computer Science 2018-01-15 Zhiyuan Jiang , Bhaskar Krishnamachari , Xi Zheng , Sheng Zhou , Zhisheng Niu

With the advancements achieved in drones' flexibility, low cost, and high efficiency, they obtain huge application opportunities in various industries, such as aerial delivery and future communication networks. However, the increasing…

Systems and Control · Electrical Eng. & Systems 2023-11-16 Yujie Qin , Mustafa A. Kishk , Mohamed-Slim Alouini

In this paper, a dense Internet of Things (IoT) monitoring system is considered in which a large number of IoT devices contend for channel access so as to transmit timely status updates to the corresponding receivers using a carrier sense…

Information Theory · Computer Science 2023-07-04 Bo Zhou , Walid Saad

Age of Information (AoI) has emerged as a key metric for assessing data freshness in IoT applications, where a large number of devices report time-stamped updates to a monitor. Such systems often rely on random access protocols based on…

Information Theory · Computer Science 2025-06-06 Andrea Munari , Cedomir Stefanovic

In this paper, a novel joint energy and age of information (AoI) optimization framework for IoT devices in a non-stationary environment is presented. In particular, IoT devices that are distributed in the real-world are required to…

Networking and Internet Architecture · Computer Science 2023-12-04 Zhenzhen Gong , Omar Hashash , Yingze Wang , Qimei Cui , Wei Ni , Walid Saad , Kei Sakaguchi

Age of information (AoI) is a performance metric that captures the freshness of status updates. While AoI has been studied thoroughly for point-to-point links, the impact of modern random-access protocols on this metric is still unclear. In…

Information Theory · Computer Science 2021-12-03 Khac-Hoang Ngo , Giuseppe Durisi , Alexandre Graell i Amat

Delay and Age-of-Information (AoI) are two crucial performance metrics for emerging time-sensitive applications in Industrial Internet of Things (IIoT). In order to achieve optimal performance, studying the inherent interplay between these…

Networking and Internet Architecture · Computer Science 2022-07-19 Hossam Farag , Cedomir Stefanovic , Mikael Gidlund

Internet of Things (IoT) has been emerging as one of the use cases permeating our daily lives in 5th Generation wireless networks, where status update packages are usually required to be timely delivered for many IoT based intelligent…

Information Theory · Computer Science 2019-01-29 Chao Xu , Howard H. Yang , Xijun Wang , Tony Q. S. Quek

In this paper, we consider the cellular Internet of unmanned aerial vehicles (UAVs), where UAVs sense data for multiple tasks and transmit the data to the base station (BS). To quantify the "freshness" of the data at the BS, we bring in the…

Signal Processing · Electrical Eng. & Systems 2020-02-06 Shuhang Zhang , Hongliang Zhang , Lingyang Song , Zhu Han , H. Vincent Poor

In this paper, we develop a hierarchical aerial computing framework composed of high altitude platform (HAP) and unmanned aerial vehicles (UAVs) to compute the fully offloaded tasks of terrestrial mobile users which are connected through an…

Networking and Internet Architecture · Computer Science 2023-05-31 Maryam Ansarifard , Nader Mokari , Mohammadreza Javan , Hamid Saeedi , Eduard A. Jorswieck

Unmanned aerial vehicle (UAV)-assisted communication is becoming a streamlined technology in providing improved coverage to the internet-of-things (IoT) based devices. Rapid deployment, portability, and flexibility are some of the…

Networking and Internet Architecture · Computer Science 2024-06-18 Muhammad Ali Jamshed , Ferheen Ayaz , Aryan Kaushik , Carlo Fischione , Masood Ur-Rehman

The Age of Information (AoI) is an end-to-end metric frequently used to understand how "fresh" the information about a remote system is. In this paper, we present an experimental study of the relationship between AoI and the energy spent by…

Networking and Internet Architecture · Computer Science 2024-05-10 Federico Cristofani , Valerio Luconi , Alessio Vecchio

The freshness of status information is of great importance for time-critical Internet of Things (IoT) applications. A metric measuring status freshness is the age-of-information (AoI), which captures the time elapsed from the status being…

Networking and Internet Architecture · Computer Science 2020-03-25 Rui Li , Qian Ma , Jie Gong , Zhi Zhou , Xu Chen

We study the average Age of Information (AoI) and peak AoI (PAoI) of a dual-queue status update system that monitors a common stochastic process. Although the double queue parallel transmission is instrumental in reducing AoI, the out of…

Information Theory · Computer Science 2022-07-05 Zhengchuan Chen , Dapeng Deng , Howard H. Yang , Nikolaos Pappas , Limei Hu , Yunjian Jia , Min Wang , Tony Q. S. Quek

Unmanned aerial vehicles (UAVs) have the potential for time-sensitive applications. Due to wireless channel variation, received data may have an expiration time, particularly in critical situations such as rescue operations, natural…

Systems and Control · Electrical Eng. & Systems 2024-11-20 Shima Salar Hosseini , Paeiz Azmi , Ali Nazari

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