English
Related papers

Related papers: Mean Age of Information in Partial Offloading Mobi…

200 papers

We derive a closed-form approximation of the stationary distribution of the Age of Information (AoI) of the semi-persistent scheduling (SPS) protocol which is a core part of NR-V2X, an important standard for vehicular communications. While…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Maria Bezmenov , Matthias Frey , Zoran Utkovski , Slawomir Stanczak

The freshness or timeliness of data at server is a significant key performance indicator of sensor networks, especially in tolerance critical applications such as factory automation. As an effective and intuitive measurement to data…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Bin Han , Yao Zhu , Zhiyuan Jiang , Yulin hu , Hans D. Schotten

Age of Information (AoI) has been recognized as an important metric to measure the freshness of information. Central to this consensus is that minimizing AoI can enhance the freshness of information, thereby facilitating the accuracy of…

Information Theory · Computer Science 2024-08-09 Aimin Li , Shaohua Wu , Gary C. F. Lee , Xiaomeng Cheng , Sumei Sun

In the realm of emerging real-time networked applications such as cyber-physical systems (CPS), the Age of Information (AoI) has emerged as a pivotal metric for evaluating timeliness. To meet the high computational demands, such as those in…

Machine Learning · Computer Science 2026-01-05 Lyudong Jin , Ming Tang , Jiayu Pan , Meng Zhang , Hao Wang

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

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, such as delay, fails to characterize the timeliness…

Information Theory · Computer Science 2020-01-31 Mustafa Emara , Hesham ElSawy , Gerhard Bauch

We consider a real-time monitoring system where a source node (with energy limitations) aims to keep the information status at a destination node as fresh as possible by scheduling status update transmissions over a set of channels. The…

Networking and Internet Architecture · Computer Science 2025-09-24 Mohamed A. Abd-Elmagid , Ming Shi , Eylem Ekici , Ness B. Shroff

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

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

In wireless industrial networks, the information of time-sensitive control systems needs to be transmitted in an ultra-reliable and low-latency manner. This letter studies the resource allocation problem in finite blocklength transmission,…

Networking and Internet Architecture · Computer Science 2020-05-15 Chen-Feng Liu , Mehdi Bennis

We consider a cognitive radio-based Internet-of-Things (CR-IoT) network consisting of one primary IoT (PIoT) system and one secondary IoT (SIoT) system. The IoT devices of both the PIoT and the SIoT respectively monitor one physical process…

Signal Processing · Electrical Eng. & Systems 2019-08-21 Yifan Gu , He Chen , Chao Zhai , Yonghui Li , Branka Vucetic

With the rapid development of intelligent vehicles and Intelligent Transport Systems (ITS), the sensors such as cameras and LiDAR installed on intelligent vehicles provides higher capacity of executing computation-intensive and…

Machine Learning · Computer Science 2024-07-03 Wenhua Wang , Qiong Wu , Pingyi Fan , Nan Cheng , Wen Chen , Jiangzhou Wang , Khaled B. Letaief

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

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

The Age-of-Information is an important metric for investigating the timeliness performance in information-update systems. In this paper, we study the AoI minimization problem under a new Pull model with replication schemes, where a user…

Networking and Internet Architecture · Computer Science 2022-05-30 Fengjiao Li , Yu Sang , Zhongdong Liu , Bin Li , Huasen Wu , Bo Ji

Advancements in smart vehicle design have enabled the creation of Internet of Vehicle (IoV) technologies that can utilize the information provided by various sensors and wireless communication to perform complex functionality. Many of these…

Networking and Internet Architecture · Computer Science 2022-04-22 Afonso Fontes , Igor de L. Ribeiro , Khan Muhammad , Amir H. Gandomi , Gregory Gay , Victor Hugo C. de Albuquerque

We consider a discrete-time multi-channel network where the destination collects time-sensitive packets from multiple sources with sided channel information. The popular metric, Age of Information (AoI), is applied to measure the data…

Information Theory · Computer Science 2022-12-15 Yuchao Chen , Jintao Wang , Xiaoqing Wang , Jian Song

In this paper, we study the timeliness of actions in communication systems where actuation is constrained by control permissions or energy availability. Building on the Age of Actuation (AoA) metric, which quantifies the timeliness of…

Information Theory · Computer Science 2026-03-26 Ali Nikkhah , Anthony Ephremides , Nikolaos Pappas

Age of Information (AoI) and Peak AoI (PAoI) and their analytical models have recently drawn substantial amount of attention in information theory and wireless communications disciplines, in the context of qualitative assessment of…

Performance · Computer Science 2023-10-05 Ozancan Dogan , Nail Akar

Age of Information (AoI) has been proposed to quantify the freshness of information for emerging real-time applications such as remote monitoring and control in wireless networked control systems (WNCSs). Minimization of the average AoI and…

Information Theory · Computer Science 2024-01-03 Jie Cao , Xu Zhu , Sumei Sun , Ernest Kurniawan , Amnart Boonkajay

In this paper, we consider a single-source multi-server generate-at-will discrete-time non-preemptive status update system where update packets are transmitted using {\em only one} of the available servers, according to a server selection…

Information Theory · Computer Science 2025-12-23 Nail Akar , Ismail Cosandal , Sennur Ulukus