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This paper studies efficient data management and timely information dissemination for real-time monitoring of an $N$-state Markov process, enabling accurate state estimation and reliable actuation decisions. First, we analyze the Age of…

Information Theory · Computer Science 2026-04-02 Mehrdad Salimnejad , Anthony Ephremides , Marios Kountouris , Nikolaos Pappas

Markov decision processes (MDPs) are standard models for probabilistic systems with non-deterministic behaviours. Mean payoff (or long-run average reward) provides a mathematically elegant formalism to express performance related…

Performance · Computer Science 2017-09-08 Jan Křetínský , Tobias Meggendorfer

In real-time Industrial Internet of Things (IIoT), e.g., monitoring and control scenarios, the freshness of data is crucial to maintain the system functionality and stability. In this paper, we propose an AoI-Aware Deep Learning (AA-DL)…

Networking and Internet Architecture · Computer Science 2023-11-23 Hossam Farag , Mohamed Ragab , Cedomir Stefanovic

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

We study a class of sequential decision-making problems with augmented predictions, potentially provided by a machine learning algorithm. In this setting, the decision-maker receives prediction intervals for unknown parameters that become…

Machine Learning · Computer Science 2025-05-05 Xin Chen , Yuze Chen , Yuan Zhou

This paper proposes a formal approach to online learning and planning for agents operating in a priori unknown, time-varying environments. The proposed method computes the maximally likely model of the environment, given the observations…

Machine Learning · Computer Science 2021-02-09 Melkior Ornik , Ufuk Topcu

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

We summarize recent contributions in the broad area of age of information (AoI). In particular, we describe the current state of the art in the design and optimization of low-latency cyberphysical systems and applications in which sources…

Information Theory · Computer Science 2020-07-20 Roy D. Yates , Yin Sun , D. Richard Brown , Sanjit K. Kaul , Eytan Modiano , Sennur Ulukus

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

In recent years, unmanned aerial vehicles (UAVs) have found numerous sensing applications, which are expected to add billions of dollars to the world economy in the next decade. To further improve the Quality-of-Service (QoS) in such…

Systems and Control · Electrical Eng. & Systems 2020-03-13 Fanyi Wu , Hongliang Zhang , Jianjun Wu , Lingyang Song , Zhu Han , H. Vincent Poor

Consider a scenario where a source continuously monitors an object and sends time-stamped status updates to a destination through a rate-limited link. In order to measure the "freshness" of the status information available at the…

Information Theory · Computer Science 2018-07-03 Boyu Wang , Songtao Feng , Jing Yang

To support rapid and accurate autonomous driving services, road environment information, which is difficult to obtain through vehicle sensors themselves, is collected and utilized through communication with surrounding infrastructure in…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-05 Soohyun Park , Chanyoung Park , Soyi Jung , Minseok Choi , Joongheon Kim

We develop a Markov decision process (MDP) framework to autonomously make guidance decisions for satellite collision avoidance maneuver (CAM) and a reinforcement learning policy gradient (RL-PG) algorithm to enable direct optimization of…

Machine Learning · Computer Science 2025-12-12 Francesca Ferrara , Lander W. Schillinger Arana , Florian Dörfler , Sarah H. Q. Li

Using a novel toy nautical navigation environment, we show that dynamic programming can be used when only incomplete information about a partially observed Markov decision process (POMDP) is known. By incorporating uncertainty into our…

Optimization and Control · Mathematics 2022-07-20 Chris Beeler , Xinkai Li , Colin Bellinger , Mark Crowley , Maia Fraser , Isaac Tamblyn

Age of Information (AoI) has emerged as an important quality-of-service measure for applications that prioritize delivery of the freshest information, e.g., virtual or augmented reality over mobile devices and wireless sensor networks used…

Performance · Computer Science 2021-10-19 George Kesidis , Takis Konstantopoulos , Michael A. Zazanis

The Age of Information (AoI) has recently gained recognition as a critical quality-of-service (QoS) metric for quantifying the freshness of status updates, playing a crucial role in supporting massive ultra-reliable and low-latency…

Systems and Control · Electrical Eng. & Systems 2024-10-17 Jingqing Wang , Wenchi Cheng , Wei Zhang

We study a real-time tracking problem in an energy harvesting status update system with a Markov source and an imperfect channel, considering both sampling and transmission costs. The problem primary challenge stems from the…

Signal Processing · Electrical Eng. & Systems 2023-11-14 Abolfazl Zakeri , Mohammad Moltafet , Marian Codreanu

The emergence of intelligent applications has fostered the development of a task-oriented communication paradigm, where a comprehensive, universal, and practical metric is crucial for unleashing the potential of this paradigm. To this end,…

Networking and Internet Architecture · Computer Science 2024-11-04 Shuying Gan , Xijun Wang , Chao Xu , Xiang Chen

The age of Incorrect Information (AoII) has been introduced recently to address the shortcomings of the standard Age of information metric (AoI) in real-time monitoring applications. In this paper, we consider the problem of monitoring the…

Information Theory · Computer Science 2021-02-08 Saad Kriouile , Mohamad Assaad

Attention control is a key cognitive ability for humans to select information relevant to the current task. This paper develops a computational model of attention and an algorithm for attention-based probabilistic planning in Markov…

Robotics · Computer Science 2020-12-02 Haoxiang Ma , Jie Fu