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Related papers: Age of Information in Practice

200 papers

Age of Information (AoI), defined as the time elapsed since the generation of the latest received update, is a promising performance metric to measure data freshness for real-time status monitoring. In many applications, status information…

Information Theory · Computer Science 2020-02-25 Jie Gong , Qiaobin Kuang , Xiang Chen

Age of information (AoI) and reliability are two critical metrics to support real-time applications in Industrial Internet of Things (IIoT). These metrics reflect different concepts of timely delivery of sensor information. Monitoring…

Networking and Internet Architecture · Computer Science 2023-11-23 Hossam Farag , Syed Muhammad Ali , Cedomir Stefanovic

We consider the scenario where a sender periodically sends a batch of data to a receiver over a multi-hop network, possibly using multiple paths. Our objective is to minimize peak/average Age-of-Information (AoI) subject to throughput…

Networking and Internet Architecture · Computer Science 2019-05-20 Qingyu Liu , Haibo Zeng , Minghua Chen

Age of information (AoI) is one of the key performance metrics for Internet of things (IoT) systems. Timely status updates are essential for many IoT applications; however, they are subject to strict constraints related on the available…

Information Theory · Computer Science 2021-08-05 Elvina Gindullina , Leonardo Badia , Deniz Gündüz

Generative Artificial Intelligence (GenAI) is playing an increasingly important role in enriching and facilitating human life by generating various useful information, of which real-time GenAI is a significant part and has great potential…

Systems and Control · Electrical Eng. & Systems 2025-04-08 Yuquan Xiao , Qinghe Du , Wenchi Cheng , George K. Karagiannidis , Arumugam Nallanathan , Mohsen Guizani

The age of information (AoI) performance analysis is essential for evaluating the information freshness in the large-scale mobile edge computing (MEC) networks. This work proposes the earliest analysis of the mean AoI (MAoI) performance of…

Systems and Control · Electrical Eng. & Systems 2024-09-25 Ying Dong , Hang Xiao , Haonan Hu , Jiliang Zhang , Qianbin Chen , Jie Zhang

Timely information updates are critical to time-sensitive applications in networked monitoring and control systems. In this paper, the problem of real-time status update is considered for a cognitive radio network (CRN), in which the…

Networking and Internet Architecture · Computer Science 2020-01-29 Yao Zhao , Bo Zhou , Walid Saad , Xiliang Luo

This paper studies the age of information (AoI) on an information updating system such that multiple sources share one server to process packets of updated information. In such systems, packets from different sources compete for the server,…

Performance · Computer Science 2020-09-24 Yukang Jiang , Kiichi Tokuyama , Yuichiro Wada , Moeko Yajima

This paper estimates the freshness of the information in a wireless relay communication system that employs simultaneous wireless information and power transfer (SWIPT) operating under ultra-reliable low-latency communication (URLLC)…

We study the age of information (AoI) in a random access network consisting of multiple source-destination pairs, where each source node is empowered by energy harvesting capability. Every source node transmits a sequence of data packets to…

Networking and Internet Architecture · Computer Science 2025-04-23 Fangming Zhao , Nikolaos Pappas , Meng Zhang , Howard H. Yang

We consider a system consisting of $N$ source nodes communicating with a common receiver. Each source node has a buffer of infinite capacity to store incoming bursty traffic in the form of status updates transmitted in packets, which should…

Networking and Internet Architecture · Computer Science 2019-07-02 Antzela Kosta , Nikolaos Pappas , Anthony Ephremides , Vangelis Angelakis

Age of information (AoI) measures information freshness at the receiver. AoI may provide insights into quality of service in communication systems. For this reason, it has been used as a cross-layer metric for wireless communication…

Systems and Control · Electrical Eng. & Systems 2020-05-06 Onur Ayan , H. Murat Gürsu , Sandra Hirche , Wolfgang Kellerer

Age of Information (AoI), which measures the time elapsed since the generation of the last received packet at the destination, is a new metric for real-time status update tracking applications. In this paper, we consider a status-update…

Information Theory · Computer Science 2022-02-15 Jianhang Zhu , Jie Gong

Age-of-Information (AoI) is a performance metric for scheduling systems that measures the freshness of the data available at the intended destination. AoI is formally defined as the time elapsed since the destination received the recent…

Systems and Control · Electrical Eng. & Systems 2021-01-20 Archiki Prasad , Vishal Jain , Sharayu Moharir

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

The age of information (AoI) has been extensively studied in recent years. However, few works have focused on the analysis of AoI in large wireless networks. In this work, we analyze this metric to characterize timeliness in a Poisson…

Information Theory · Computer Science 2018-09-11 Yuming Hu , Yi Zhong , Wenyi Zhang

Information freshness and low latency communication is important to many emerging applications. While Age of Information (AoI) serves as a metric of information freshness, packet delay is a traditional metric of communication latency. We…

Information Theory · Computer Science 2019-01-15 Rajat Talak , Eytan Modiano

Status update systems consist of sensors that take measurements of a physical parameter and transmit them to a remote receiver. Age of Information (AoI) has been studied extensively as a metric for the freshness of information in such…

Information Theory · Computer Science 2021-10-12 Peng Zou , Jin Zhang , Xianglin Wei , Suresh Subramaniam

Age of Incorrect Information (AoII) is a newly introduced performance metric that considers communication goals. Therefore, comparing with traditional performance metrics and the recently introduced metric - Age of Information (AoI), AoII…

Information Theory · Computer Science 2025-12-19 Yutao Chen , Anthony Ephremides

The age of information (AoI) has been studied actively in recent years as a performance measure for systems that require real-time performance, such as remote monitoring systems via communication networks. The theoretical analysis of the…

Performance · Computer Science 2025-05-20 Atsushi Inoie , Yoshiaki Inoue