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This paper considers utilizing the knowledge of age gains to reduce the network average age of information (AoI) in random access with event-driven periodic updating for the first time. Built on the form of slotted ALOHA, we require each…

Information Theory · Computer Science 2024-07-01 Yuqing Zhu , Yiwen Zhu , Aoyu Gong , Yan Lin , Yuan-Hsuan Lo , Yijin Zhang

A new timeliness metric, called Age-of-Information (AoI), has recently attracted a lot of research interests for real-time applications with information updates. It has been extensively studied for various queueing models based on the…

Information Theory · Computer Science 2023-02-17 Zhongdong Liu , Yu Sang , Bin Li , Bo Ji

To promote viral marketing, major social platforms (e.g., Facebook Marketplace and Pinduoduo) repeatedly select and invite different users (as seeds) in online social networks to share fresh information about a product or service with their…

Social and Information Networks · Computer Science 2024-11-15 Songhua Li , Lingjie Duan

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

Unmanned aerial vehicles (UAVs) are a highly promising technology with diverse applications in wireless networks. One of their primary uses is the collection of time-sensitive data from Internet of Things (IoT) devices. In UAV-assisted…

Optimization and Control · Mathematics 2023-12-27 Mouhamed Naby Ndiaye , El Houcine Bergou , Hajar El Hammouti

Time series forecasting has been a widely explored task of great importance in many applications. However, it is common that real-world time series data are recorded in a short time period, which results in a big gap between the deep model…

Machine Learning · Computer Science 2023-01-10 Yan Li , Xinjiang Lu , Yaqing Wang , Dejing Dou

Diffusion tensor imaging (DTI) holds significant importance in clinical diagnosis and neuroscience research. However, conventional model-based fitting methods often suffer from sensitivity to noise, leading to decreased accuracy in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Jialong Li , Zhicheng Zhang , Yunwei Chen , Qiqi Lu , Ye Wu , Xiaoming Liu , QianJin Feng , Yanqiu Feng , Xinyuan Zhang

In this paper, we aim to establish the connection between Age of Information (AoI) in network theory, information uncertainty in information theory, and detection delay in time series analysis. We consider a dynamic system whose state…

Information Theory · Computer Science 2020-02-19 Songtao Feng , Jing Yang

Optimal resource allocation in wireless systems still stands as a rather challenging task due to the inherent statistical characteristics of channel fading. On the one hand, minimax/outage-optimal policies are often overconservative and…

Signal Processing · Electrical Eng. & Systems 2024-01-31 Gokberk Yaylali , Dionysios S. Kalogerias

We develop a simple model for the timely monitoring of correlated sources over a wireless network. Using this model, we study how to optimize weighted-sum average Age of Information (AoI) in the presence of correlation. First, we discuss…

Networking and Internet Architecture · Computer Science 2022-08-04 Vishrant Tripathi , Eytan Modiano

In this paper, we propose two new performance metrics, coined the Version Innovation Age (VIA) and the Age of Incorrect Version (AoIV) for real-time monitoring of a two-state Markov process over an unreliable channel. We analyze their…

Information Theory · Computer Science 2024-02-01 Mehrdad Salimnejad , Marios Kountouris , Anthony Ephremides , Nikolaos Pappas

We consider a wireless sensor network in which all the nodes wish to spread their updates over the network using CSMA/CA protocol. We investigate the age of information of the spreading process from a transmitter perspective, which is…

Information Theory · Computer Science 2019-04-09 Mei Wang , Yunquan Dong

This paper investigates the problem of age of information (AoI) aware radio resource management for a platooning system. Multiple autonomous platoons exploit the cellular wireless vehicle-to-everything (C-V2X) communication technology to…

Signal Processing · Electrical Eng. & Systems 2021-05-11 Mohammad Parvini , Mohammad Reza Javan , Nader Mokari , Bijan Abbasi , Eduard A. Jorswieck

Multi-step stock price prediction over a long-term horizon is crucial for forecasting its volatility, allowing financial institutions to price and hedge derivatives, and banks to quantify the risk in their trading books. Additionally, most…

Statistical Finance · Quantitative Finance 2023-10-31 Kelvin J. L. Koa , Yunshan Ma , Ritchie Ng , Tat-Seng Chua

Beyond fifth generation wireless communication networks (B5G) are applied in many use-cases, such as industrial control systems, smart public transport, and power grids. Those applications require innovative techniques for timely…

Information Theory · Computer Science 2024-10-28 Robert-Jeron Reifert , Stefan Roth , Aydin Sezgin

Diffusion models have emerged as powerful generative tools across various domains, yet tailoring pre-trained models to exhibit specific desirable properties remains challenging. While reinforcement learning (RL) offers a promising…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Fengyuan Dai , Zifeng Zhuang , Yufei Huang , Siteng Huang , Bangyan Liao , Donglin Wang , Fajie Yuan

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

This paper investigates the problem of minimizing the age-of-information (AoI) and transmit power consumption in a vehicular network, where a roadside unit (RSU) provides timely updates about a set of physical processes to vehicles. Each…

Networking and Internet Architecture · Computer Science 2022-09-28 Ahmed Al-Habob , Hina Tabassum , Omer Waqar

In this work, we consider a status update system with a sensor and a receiver. The status update information is sampled by the sensor and then forwarded to the receiver through a channel with non-stationary delay distribution. The data…

Networking and Internet Architecture · Computer Science 2023-11-01 Jinheng Zhang , Haoyue Tang , Jintao Wang , Sastry Kompella , Leandros Tassiulas

Consider a network where a wireless base station (BS) connects multiple source-destination pairs. Packets from each source are generated according to a renewal process and are enqueued in a single-packet queue that stores only the freshest…

Networking and Internet Architecture · Computer Science 2025-01-14 Zhuoyi Zhao , Igor Kadota