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Maintaining freshness of data collection in Internet-of-Things (IoT) networks has attracted increasing attention. By taking into account age-of-information (AoI), we investigate the trajectory planning problem of an unmanned aerial vehicle…

Networking and Internet Architecture · Computer Science 2024-01-08 Botao Zhu , Ebrahim Bedeer , Ha H. Nguyen , Robert Barton , Zhen Gao

This work studies a real-time environment monitoring scenario in the industrial Internet of things, where wireless sensors proactively collect environmental data and transmit it to the controller. We adopt the notion of risk-sensitivity in…

Networking and Internet Architecture · Computer Science 2021-06-15 Yung-Lin Hsu , Chen-Feng Liu , Sumudu Samarakoon , Hung-Yu Wei , Mehdi Bennis

In an Internet-of-Things system where status data are collected from sensors and actuators for time-critical applications, the freshness of data is vital and can be quantified by the recently proposed age-of-information (AoI) metric. In…

Information Theory · Computer Science 2018-03-23 Zhiyuan Jiang , Bhaskar Krishnamachari , Sheng Zhou , Zhisheng Niu

Angle-of-arrival (AoA) estimation is a crucial function in wireless communications used for localization, beam-forming, interference management, and other applications. Deep learning (DL) solutions have been proposed for AoA to mitigate…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Elsayed Mohammed , Omar Mashaal , Alec Digby , Pasquale Leone , Lorne Swersky , Ashkan Eshaghbeigi , Hatem Abou-Zeid

The Age of Information (AoI) is a performance metric that quantifies the freshness of data in systems where timely updates are critical. Most state-of-the-art methods typically assume that packets enter the monitored system with zero age,…

Information Theory · Computer Science 2025-12-01 Fernando Miguelez , Urtzi Ayesta , Josu Doncel , Maria Dolores Ugarte

The recent development in Internet of Things necessitates caching of dynamic contents, where new versions of contents become available around-the-clock and thus timely update is required to ensure their relevance. The age of information…

Information Theory · Computer Science 2020-04-20 Manyou Ma , Vincent W. S. Wong

This paper investigates the problem of minimizing the Age of Incorrect Information (AoII) when the communication channel has a random delay. We consider a slotted-time system where a transmitter observes a dynamic source and decides when to…

Information Theory · Computer Science 2023-01-19 Yutao Chen , Anthony Ephremides

Emerging applications such as autonomous driving and industrial automation demand ultra-reliable and low-latency communication (URLLC), where maintaining fresh and timely information is critical. A key performance metric in such systems is…

Systems and Control · Electrical Eng. & Systems 2026-02-27 Maryam Ansarifard , Mohit K. Sharma , Kishor C. Joshi , George Exarchakos

In Location-Based Services (LBS), such as food delivery, a fundamental task is segmenting Areas of Interest (AOIs), aiming at partitioning the urban geographical spaces into non-overlapping regions. Traditional AOI segmentation algorithms…

Artificial Intelligence · Computer Science 2024-12-10 Youfang Lin , Jinji Fu , Haomin Wen , Jiyuan Wang , Zhenjie Wei , Yuting Qiang , Xiaowei Mao , Lixia Wu , Haoyuan Hu , Yuxuan Liang , Huaiyu Wan

In the Internet of Things (IoT) networks, caching is a promising technique to alleviate energy consumption of sensors by responding to users' data requests with the data packets cached in the edge caching node (ECN). However, without an…

Networking and Internet Architecture · Computer Science 2021-06-15 Chao Xu , Yiping Xie , Xijun Wang , Howard H. Yang , Dusit Niyato , Tony Q. S. Quek

The Age-of-Information (AoI) is a new performance metric recently proposed for measuring the freshness of information in information-update systems. In this work, we conduct a systematic and comparative study to investigate the impact of…

Information Theory · Computer Science 2020-10-07 Zhongdong Liu , Liang Huang , Bin Li , Bo Ji

This paper characterizes the structure of the Age of Information (AoI)-optimal policy in wireless powered communication systems while accounting for the time and energy costs of generating status updates at the source nodes. In particular,…

Information Theory · Computer Science 2020-06-12 Mohamed A. Abd-Elmagid , Harpreet S. Dhillon , Nikolaos Pappas

The number of connected Internet of Things (IoT) devices within cyber-physical infrastructure systems grows at an increasing rate. This poses significant device management and security challenges to current IoT networks. Among several…

Networking and Internet Architecture · Computer Science 2021-04-06 Milos Savic , Milan Lukic , Dragan Danilovic , Zarko Bodroski , Dragana Bajovic , Ivan Mezei , Dejan Vukobratovic , Srdjan Skrbic , Dusan Jakovetic

This paper considers an uplink Internet of Things system with synchronous periodic traffic, where multiple devices generate their status updates at the beginning of each global frame and attempt to send them to a common access point. To…

Information Theory · Computer Science 2023-07-07 Yuqing Zhu , Yiwen Zhu , Aoyu Gong , Yan Lin , Yijin Zhang

In Wireless Networked Control Systems (WNCSs), control and communication systems must be co-designed due to their strong interdependence. This paper presents a novel optimization theory-based safe deep reinforcement learning (DRL) framework…

Signal Processing · Electrical Eng. & Systems 2025-07-14 Berire Gunes Reyhan , Sinem Coleri

Efficient data transmission in resource-constrained Internet of Things (IoT) systems requires semantics-aware management that maximizes the delivery of timely and informative data. This paper investigates the optimization of the semantic…

Networking and Internet Architecture · Computer Science 2025-10-02 Erfan Delfani , Nikolaos Pappas

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 investigate how to deploy computational intelligence and deep learning (DL) in edge-enabled industrial IoT networks. In this system, the IoT devices can collaboratively train a shared model without compromising data…

Machine Learning · Computer Science 2021-10-29 Shunpu Tang , Lunyuan Chen , Ke HeJunjuan Xia , Lisheng Fan , Arumugam Nallanathan

The freshness of status updates is imperative in mission-critical Internet of things (IoT) applications. Recently, Age of Information (AoI) has been proposed to measure the freshness of updates at the receiver. However, AoI only…

Information Theory · Computer Science 2020-03-03 Wenrui Lin , Xijun Wang , Chao Xu , Xinghua Sun , Xiang Chen

Age of Information (AoI) is a metric and KPI that has been developed for measuring and controlling data freshness. Optimization of AoI in a real-life network requires adapting the rate and timing of transmissions to varying network…

Networking and Internet Architecture · Computer Science 2025-04-14 Sajjad Baghaee , Elif Uysal