English
Related papers

Related papers: AoI-Aware Resource Allocation for Smart Multi-QoS …

200 papers

Scheduling the transmission of time-sensitive data to multiple users over error-prone communication channels is studied with the goal of minimizing the long-term average age of information (AoI) at the users under a constraint on the…

Machine Learning · Computer Science 2018-06-04 Elif Tuğçe Ceran , Deniz Gündüz , András György

Lots of real-time applications over Internet of things (IoT)-based status update systems have imperative demands on information freshness, which is usually evaluated by age of information (AoI). Compared to the average AoI and peak AoI…

Performance · Computer Science 2022-10-31 Tianci Zhang , Shutong Chen , Zhengchuan Chen , Zhong Tian , Yunjian Jia , Min Wang , Dapeng Oliver Wu

Device-to-device (D2D) links scheduling for avoiding excessive interference is critical to the success of wireless D2D communications. Most of the traditional scheduling schemes only consider the maximum throughput or fairness of the system…

Information Theory · Computer Science 2022-02-08 Ling Luo , Zhenyu Liu , Zhiyong Chen , Min Hua , Wenqing Li , Bin Xia

Age-of-information (AoI) is a novel metric that measures the freshness of information in status update scenarios. It is essential for real-time applications to transmit status update packets to the destination node as timely as possible.…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-15 Qiaobin Kuang , Jie Gong , Xiang Chen , Xiao Ma

Age of Information (AoI) is a crucial metric for quantifying information freshness in real-time systems where the sampling rate of data packets is time-varying. Evaluating AoI under such conditions is challenging, as system states become…

Information Theory · Computer Science 2025-07-08 Jin Xu , Weiqi Wang , Natarajan Gautam

Ocean exploration utilizing autonomous underwater vehicles (AUVs) via reinforcement learning (RL) has emerged as a significant research focus. However, underwater tasks have mostly failed due to the observation delay caused by information…

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

The joint design of control and communication scheduling in a Networked Control System (NCS) is known to be a hard problem. Several research works have successfully designed optimal sampling and/or control strategies under simplified…

Systems and Control · Electrical Eng. & Systems 2024-12-20 Jaya Prakash Champati , Mohammad H. Mamduhi , Karl H. Johansson , James Gross

The notion of age-of-information (AoI) is investigated in the context of large-scale wireless networks, in which transmitters need to send a sequence of information packets, which are generated as independent Bernoulli processes, to their…

Information Theory · Computer Science 2020-12-24 Howard H. Yang , Chao Xu , Xijun Wang , Daquan Feng , Tony Q. S. Quek

Age of information (AoI) is a performance metric that captures the freshness of status updates. While AoI has been studied thoroughly for point-to-point links, the impact of modern random-access protocols on this metric is still unclear. In…

Information Theory · Computer Science 2021-12-03 Khac-Hoang Ngo , Giuseppe Durisi , Alexandre Graell i Amat

The timeliness of collected information is essential for monitoring and control in data-driven intelligent infrastructures. It is typically quantified using the Age of Information (AoI) metric, which has been widely adopted to capture the…

Information Theory · Computer Science 2026-02-13 Shih-Kai Chou , Maice Costa , Mihael Mohorčič , Jernej Hribar

Resource management in Internet of Things (IoT) systems is a major challenge due to the massive scale and heterogeneity of the IoT system. For instance, most IoT applications require timely delivery of collected information, which is a key…

Information Theory · Computer Science 2021-01-05 Taehyeun Park , Walid Saad , Bo Zhou

Timely information updates are critical to time-sensitive applications in networked monitoring and control systems. In this paper, the problem of real-time status update is considered for a cognitive radio network (CRN), in which the…

Networking and Internet Architecture · Computer Science 2020-01-29 Yao Zhao , Bo Zhou , Walid Saad , Xiliang Luo

A key metric to express the timeliness of status updates in latency-sensitive networked systems is the age of information (AoI), i.e., the time elapsed since the generation of the last received informative status message. This metric allows…

Performance · Computer Science 2022-04-12 Amr Rizk , Jean-Yves Le Boudec

The age of information (AoI) performance analysis is essential for evaluating the information freshness in the large-scale mobile edge computing (MEC) networks. This work proposes the earliest analysis of the mean AoI (MAoI) performance of…

Systems and Control · Electrical Eng. & Systems 2024-09-25 Ying Dong , Hang Xiao , Haonan Hu , Jiliang Zhang , Qianbin Chen , Jie Zhang

Unmanned aerial vehicles (UAVs) equipped with integrated sensing and communication (ISAC) capabilities are envisioned to play a pivotal role in future wireless networks due to their enhanced flexibility and efficiency. However, jointly…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Yu Bai , Yifan Zhang , Boxuan Xie , Zheng Chang , Yanru Zhang , Riku Jantti , Zhu Han

This paper considers an Industrial Internet of Thing (IIoT) system with a source monitoring a dynamic process with randomly generated status updates. The status updates are sent to an designated destination in a real-time manner over an…

Information Theory · Computer Science 2019-12-17 Qian Wang , He Chen , Yonghui Li , Zhibo Pang , Branka Vucetic

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

Age of Information (AoI) is a critical metric for several Internet of Things (IoT) applications, where sensors keep track of the environment by sending updates that need to be as fresh as possible. The development of edge computing…

Networking and Internet Architecture · Computer Science 2021-01-20 Federico Chiariotti , Olga Vikhrova , Beatriz Soret , Petar Popovski

Age of information (AoI) and reliability are two critical metrics to support real-time applications in Industrial Internet of Things (IIoT). These metrics reflect different concepts of timely delivery of sensor information. Monitoring…

Networking and Internet Architecture · Computer Science 2023-11-23 Hossam Farag , Syed Muhammad Ali , Cedomir Stefanovic

Connected vehicular network is one of the key enablers for next generation cloud/fog-supported autonomous driving vehicles. Most connected vehicular applications require frequent status updates and Age of Information (AoI) is a more…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-10 Maohong Chen , Yong Xiao , Qiang Li , Kwang-cheng Chen