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Related papers: Edge Caching with Real-Time Guarantees

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Since Age of Information (AoI) has been proposed as a metric that quantifies the freshness of information updates in a communication system, there has been a constant effort in understanding and optimizing different statistics of the AoI…

Information Theory · Computer Science 2019-05-13 Jaya Prakash Champati , Hussein Al-Zubaidy , James Gross

Timely message delivery is a key enabler for Internet of Things (IoT) and cyber-physical systems to support wide range of context-dependent applications. Conventional time-related metrics (e.g. delay and jitter) fails to characterize the…

Information Theory · Computer Science 2019-12-18 Mustafa Emara , Hesham ElSawy , Gerhard Bauch

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

Mobile edge caching can effectively reduce service delay but may introduce information staleness, calling for timely content refreshing. However, content refreshing consumes additional transmission resources and may degrade the delay…

Networking and Internet Architecture · Computer Science 2020-02-17 Shan Zhang , Liudi Wang , Hongbin Luo , Xiao Ma , Sheng Zhou

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

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

In this work, we consider the problem of jointly minimizing the average cost of sampling and transmitting status updates by users over a wireless channel subject to average Age of Information (AoI) constraints. Errors in the transmission…

Networking and Internet Architecture · Computer Science 2022-11-28 Emmanouil Fountoulakis , Marian Codreanu , Anthony Ephremides , Nikolaos Pappas

Age of Information (AoI), namely the time that has elapsed since the most recently delivered packet was generated, is receiving increasing attention with the emergence of many real-time applications that rely on the exchange of…

Information Theory · Computer Science 2024-05-08 Xinlu Dai , Cyril Leung

While the notion of age of information (AoI) has recently been proposed for analyzing ultra-reliable low-latency communications (URLLC), most of the existing works have focused on the average AoI measure. Designing a wireless network based…

Networking and Internet Architecture · Computer Science 2019-12-24 Mohamed K. Abdel-Aziz , Sumudu Samarakoon , Chen-Feng Liu , Mehdi Bennis , Walid Saad

Age-of-information (AoI) is a metric quantifying information freshness at the receiver. Since AoI combines packet generation frequency, packet loss, and delay into a single metric, it has received a lot of research attention as an interface…

Information Theory · Computer Science 2019-11-25 Onur Ayan , Mikhail Vilgelm , Wolfgang Kellerer

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

In a typical Internet of Things (IoT) application where a central controller collects status updates from multiple terminals, e.g., sensors and monitors, through a wireless multiaccess uplink, an important problem is how to attain timely…

Information Theory · Computer Science 2018-01-15 Zhiyuan Jiang , Bhaskar Krishnamachari , Xi Zheng , Sheng Zhou , Zhisheng Niu

This paper addresses the challenges of throughput optimization in wireless cache-aided cooperative networks. We propose an opportunistic cooperative probing and scheduling strategy for efficient content delivery. The strategy involves the…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Zhou Zhang , Saman Atapattu , Yizhu Wang , Marco Di Renzo

In this paper, we study the intricate realm of digital twin synchronization and deployment in multi-access edge computing (MEC) networks, with the aim of optimizing and balancing the two performance metrics Age of Information (AoI) and…

Networking and Internet Architecture · Computer Science 2024-09-19 Yongna Guo , Yaru Fu , Yan Zhang , Tony Q. S. Quek

Flanking traditional metrics such as throughput and reliability, age of information (AoI) is emerging as a fundamental tool to capture the performance of IoT systems. In this context, we focus on a setup in which a large number of nodes…

Networking and Internet Architecture · Computer Science 2020-05-19 Andrea Munari , Alexey Frolov

In this letter, we deal with the age of information (AoI) for a sensor network with wireless power transfer (WPT) capabilities. Specifically, we study a simple network topology, where a sensor node harvests energy from radio frequency…

Signal Processing · Electrical Eng. & Systems 2018-12-19 Ioannis Krikidis

Age of Information (AoI) is a key metric used for evaluating data freshness in communication networks, particularly in systems requiring real-time updates. In positioning applications, maintaining low AoI is critical for ensuring timely and…

Signal Processing · Electrical Eng. & Systems 2026-03-30 Wasif J. Hussain , Don-Roberts Emenonye , R. Michael Buehrer , Harpreet S. Dhillon

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

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

We consider a source monitoring a stochastic process with a transmitter to transmit timely information through a wireless ON/OFF channel to a destination. We assume that once the source samples the data, the sampled data has to be processed…

Information Theory · Computer Science 2023-06-27 Jayanth S , Nikolaos Pappas , Rajshekhar V Bhat
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