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Energy efficiency and information freshness are key requirements for sensor nodes serving Industrial Internet of Things (IIoT) applications, where a sink node collects informative and fresh data before a deadline, e.g., to control an…

Networking and Internet Architecture · Computer Science 2025-03-17 Junya Shiraishi , Anders E. Kalør , Israel Leyva-Mayorga , Federico Chiariotti , Petar Popovski , Hiroyuki Yomo

Time-critical data aggregation in Internet of Things (IoT) networks demands efficient, collision-free scheduling to minimize latency for applications like smart cities and industrial automation. Traditional heuristic methods, with two-phase…

Networking and Internet Architecture · Computer Science 2025-11-25 Van-Vi Vo , Tien-Dung Nguyen , Duc-Tai Le , Hyunseung Choo

In this paper, we examine a multi-sensor system where each sensor monitors multiple dynamic information processes and transmits updates over a shared communication channel. These updates may include correlated information across the various…

Information Theory · Computer Science 2025-02-13 Egemen Erbayat , Ali Maatouk , Peng Zou , Suresh Subramaniam

Popular methods to quantify transmitted data quality are the Age of Information (AoI), the Query Age of Information (QAoI), and the Age of Incorrect Information (AoII). We consider these metrics in a point-to-point wireless communication…

Information Theory · Computer Science 2025-03-18 Wanja de Sombre , Andrea Ortiz , Frank Aurzada , Anja Klein

In real-time status update services for the Internet of Things (IoT), the timely dissemination of information requiring timely updates is crucial to maintaining its relevance. Failing to keep up with these updates results in outdated…

Networking and Internet Architecture · Computer Science 2024-10-03 Seifu Birhanu Tadele , Binayak Kar , Frezer Guteta Wakgra , Asif Uddin Khan

In this paper, we consider transmission scheduling in a status update system, where updates are generated periodically and transmitted over a Gilbert-Elliott fading channel. The goal is to minimize the long-run average age of information…

Information Theory · Computer Science 2021-02-02 Guidan Yao , Ahmed M. Bedewy , Ness B. Shroff

As 5G and Internet-of-Things (IoT) are deeply integrated into vertical industries such as autonomous driving and industrial robotics, timely status update is crucial for remote monitoring and control. In this regard, Age of Information…

Information Theory · Computer Science 2020-02-20 Xi Zheng , Sheng Zhou , Zhisheng Niu

We consider updating strategies for a local cache which downloads time-sensitive files from a remote server through a bandwidth-constrained link. The files are requested randomly from the cache by local users according to a popularity…

Information Theory · Computer Science 2021-01-22 Haoyue Tang , Philippe Ciblat , Jintao Wang , Michele Wigger , Roy D. Yates

In this paper, we study age of information (AoI) optimization for status updating in an integrated sensing and communication (ISAC) system. We consider a discrete-time architecture in which a base station interacts with a physical…

Information Theory · Computer Science 2026-05-26 Marco Zanni , Mohamad Assaad , Touraj Soleymani

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

The age of incorrect information (AoII) process which keeps track of the time since the source and monitor processes are in sync, has been extensively used in remote estimation problems. In this paper, we consider a push-based remote…

Information Theory · Computer Science 2025-04-15 Ismail Cosandal , Sennur Ulukus , Nail Akar

In this work, a wireless broadcast network with a base station (BS) sending random time-sensitive information updates to multiple users with interference constraints is considered. The Age of Synchronization (AoS), namely the amount of time…

Information Theory · Computer Science 2020-03-06 Haoyue Tang , Jintao Wang , Zihan Tang , Jian Song

Age of information (AoI) is a recently proposed metric for measuring information freshness. AoI measures the time that elapsed since the last received update was generated. We consider the problem of minimizing average and peak AoI in a…

Information Theory · Computer Science 2019-12-10 Rajat Talak , Sertac Karaman , Eytan Modiano

The next generation of networks must support billions of connected devices in the Internet-of-Things (IoT). To support IoT applications, sources sense and send their measurement updates over the Internet to a monitor (control station) for…

Networking and Internet Architecture · Computer Science 2019-05-07 Tanya Shreedhar , Sanjit K. Kaul , Roy D. Yates

This paper studies the problem of allocating bandwidth and computation resources to data analytics tasks in Internet of Things (IoT) networks. IoT nodes are powered by batteries, can process (some of) the data locally, and the quality grade…

Networking and Internet Architecture · Computer Science 2019-04-23 Victor Valls , George Iosifidis , Theodoros Salonidis

In this paper, we examine a status updating system where updates generated by the source are sent to the monitor through an erasure channel. We assume each update consists of $k$ symbols and the symbol erasure in each time slot follows an…

Information Theory · Computer Science 2019-05-01 Songtao Feng , Jing Yang

The age of information minimization problems has been extensively studied in Real-time monitoring applications frameworks. In this paper, we consider the problem of monitoring the states of unknown remote source that evolves according to a…

Information Theory · Computer Science 2022-10-19 Saad Kriouile , Mohamad Assaad

Industrial Internet of Things (IIoT) applications involve real-time monitoring, detection, and data analysis. This is challenged by the intermittent activity of IIoT devices (IIoTDs) and their limited battery capacity. Indeed, the former…

Systems and Control · Electrical Eng. & Systems 2024-07-08 David E. Ruíz-Guirola , Onel L. A. López , Samuel Montejo-Sánchez

We consider a transmitter-receiver pair in a slotted-time system. The transmitter observes a dynamic source and sends updates to a remote receiver through an error-free communication channel that suffers a random delay. We consider two…

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

This paper studies strategic design in an integrated sensing and communication (ISAC) architecture for status updating of remotely navigating agents. We consider an ISAC-enabled base station that can sense the state of a remote source and…

Information Theory · Computer Science 2026-02-02 Touraj Soleymani , Mohamad Assaad , John S. Baras