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Age of Information (AoI) has proven to be a useful metric in networked systems where timely information updates are of importance. In the literature, minimizing "average age" has received considerable attention. However, various…

Information Theory · Computer Science 2020-10-06 Jaya Prakash Champati , Hussein Al-Zubaidy , James Gross

In recent years, the number of satellites in orbit has increased rapidly, with megaconstellations like Starlink providing near-global, delay-sensitive communication services. However, not all satellite communication use cases have stringent…

Networking and Internet Architecture · Computer Science 2026-03-10 Ethan Fettes , Pablo G. Madoery , Halim Yanikomeroglu , Gunes Karabulut Kurt , Abhishek Naik , Stéphane Martel

Dense indoor WLANs increasingly rely on multiple access points (APs) operating over partially overlapping spectrum to support latency-sensitive applications. In such deployments, simultaneous transmissions across APs create co-channel and…

Networking and Internet Architecture · Computer Science 2026-04-28 Ananth Ram Rajagopalan , Jiahui Ni , Vishrant Tripathi

As autonomous AI agents are increasingly deployed in high-stakes environments, ensuring their safety and alignment with human values is becoming a practical deployment concern. Current benchmarks for AI agents primarily evaluate refusal of…

Artificial Intelligence · Computer Science 2026-05-12 Miles Q. Li , Benjamin C. M. Fung , Martin Weiss , Pulei Xiong , Khalil Al-Hussaeni , Claude Fachkha

Autonomous vehicles (AVs) are envisioned to revolutionize our life by providing safe, relaxing, and convenient ground transportation. The computing systems in such vehicles are required to interpret various sensor data and generate…

Robotics · Computer Science 2023-05-15 Haolan Liu , Zixuan Wang , Jishen Zhao

Mobile Edge Computing (MEC) leverages computational heterogeneity between mobile devices and edge nodes to enable real-time applications requiring high information freshness. The Age-of-Information (AoI) metric serves as a crucial evaluator…

Systems and Control · Electrical Eng. & Systems 2025-08-29 Ning Yang , Yibo Liu , Shuo Chen , Meng Zhang , Haijun Zhang

The presented study elaborates a multi-server priority queueing model considering the pre-emptive repeat policy and phase-type distribution (PH) for retrial process. The incoming heterogeneous calls are categorized as handoff calls and new…

Optimization and Control · Mathematics 2021-08-03 Raina Raj , Vidyottama Jain

Ocean exploration places high demands on autonomous underwater vehicles, especially when there's observation delay. We propose age of information optimized Markov decision process (AoI-MDP) to enhance underwater tasks by modeling…

Systems and Control · Electrical Eng. & Systems 2026-05-19 Yimian Ding , Jingzehua Xu , Yiyuan Yang , Guanwen Xie , Xinqi Wang , Shuai Zhang

As connected and autonomous vehicles become more widespread, platooning has emerged as a key strategy to improve road capacity, reduce fuel consumption, and enhance traffic flow. However, the benefits of platoons strongly depend on their…

Systems and Control · Electrical Eng. & Systems 2025-10-20 Oumaima Barhoumi , Ghazal Farhani , Taufiq Rahman , Mohamed H. Zaki , Sofiène Tahar

With the rapid development of sixth-generation (6G) communication technology, global communication networks are moving towards the goal of comprehensive and seamless coverage. In particular, low earth orbit (LEO) satellites have become a…

Signal Processing · Electrical Eng. & Systems 2024-11-08 Wenjun Lan , Kongyang Chen , Jiannong Cao , Yikai Li , Ning Li , Qi Chen , Yuvraj Sahni

We consider a single-hop wireless network with sources transmitting time-sensitive information to the destination over multiple unreliable channels. Packets from each source are generated according to a stochastic process with known…

Systems and Control · Electrical Eng. & Systems 2020-12-23 Eray Unsal Atay , Igor Kadota , Eytan Modiano

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

In this work, we study age-optimal scheduling with stability constraints in a multiple access channel with two heterogeneous source nodes transmitting to a common destination. The first node is connected to a power grid and it has randomly…

Information Theory · Computer Science 2021-02-26 Zheng Chen , Nikolaos Pappas , Emil Björnson , Erik G. Larsson

Autoscaling is a critical mechanism in cloud computing, enabling the autonomous adjustment of computing resources in response to dynamic workloads. This is particularly valuable for co-located, long-running applications with diverse…

Optimization and Control · Mathematics 2025-02-06 Ding Zou , Wei Lu , Zhibo Zhu , Xingyu Lu , Jun Zhou , Xiaojin Wang , Kangyu Liu , Haiqing Wang , Kefan Wang , Renen Sun

We consider a node-monitor pair, where updates are generated stochastically (according to a known distribution) at the node that it wishes to send to the monitor. The node is assumed to incur a fixed cost for each transmission, and the…

Information Theory · Computer Science 2021-04-23 Kumar Saurav , Rahul Vaze

This paper investigates the problem of minimizing the age-of-information (AoI) and transmit power consumption in a vehicular network, where a roadside unit (RSU) provides timely updates about a set of physical processes to vehicles. Each…

Networking and Internet Architecture · Computer Science 2022-09-28 Ahmed Al-Habob , Hina Tabassum , Omer Waqar

We propose and evaluate age of information (AoI)-aware multiple access mechanisms for the Internet of Things (IoT) in multi-relay two-hop networks. The network considered comprises end devices (EDs) communicating with a set of relays in…

Signal Processing · Electrical Eng. & Systems 2025-03-21 Gabriel Martins de Jesus , Felippe Moraes Pereira , João Luiz Rebelatto , Richard Demo Souza , Onel Alcaraz López

The 6TiSCH protocol stack plays a vital role in enabling reliable and energy-efficient communications for the Industrial Internet of Things (IIoT). However, it faces challenges, including prolonged network formation, inefficient parent…

Networking and Internet Architecture · Computer Science 2025-04-11 Ahlam Hannachi , Wael Jaafar , Salim Bitam , Nabil Ouazene

The emergence of autonomous, high-velocity Agentic AI systems is creating an internal assurance scalability crisis. Point-in-time, document-based audits cannot keep pace with non deterministic behaviour and distributed deployments of agents…

Computers and Society · Computer Science 2026-03-05 Guy Lupo , Bao Quoc Vo , Natania Locke

We study cyclic scheduling for generate-at-will (GAW) multi-source status update systems with heterogeneous service times and packet drop probabilities, with the aim of minimizing the weighted sum age of information (AoI), called system…

Information Theory · Computer Science 2024-01-11 Nail Akar , Sahan Liyanaarachchi , Sennur Ulukus