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Vehicle-to-Vehicle (V2V) communication networks enable safety applications via periodic broadcast of Basic Safety Messages (BSMs) or \textit{safety beacons}. Beacons include time-critical information such as sender vehicle's location, speed…

网络与互联网体系结构 · 计算机科学 2020-05-28 Biplav Choudhury , Vijay K Shah , Avik Dayal , Jeffrey H. Reed

Age of information (AoI) is an effective measure to quantify the information freshness in wireless status update systems. It has been further validated that the peak AoI has the potential to capture the core characteristics of the aging…

系统与控制 · 电气工程与系统科学 2024-06-05 Yuquan Xiao , Qinghe Du , George K. Karagiannidis

New technologies for sensing and communication act as enablers for cooperative driving applications. Sensors are able to detect objects in the surrounding environment and information such as their current location is exchanged among…

多智能体系统 · 计算机科学 2023-10-12 Julian Heinovski , Jorge Torres Gómez , Falko Dressler

In this paper, we consider the fair access problem and the Age of Information (AoI) under 5G New Radio (NR) Vehicle-to-Infrastructure (V2I) Mode 2 in vehicular networks. Specifically, vehicles follow Mode 2 to communicate with Roadside…

网络与互联网体系结构 · 计算机科学 2025-07-25 Xiao Xu , Qiong Wu , Pingyi Fan , Kezhi Wang , Nan Cheng , Wen Chen , Khaled B. Letaief

As development Internet-of-Vehicles (IoV) technology and demand for Intelligent Transportation Systems (ITS) increase, there is a growing need for real-time data and communication by vehicle users. Traditional request-based methods face…

网络与互联网体系结构 · 计算机科学 2024-08-02 Zheng Zhang , Qiong Wu , Pingyi Fan , Ke Xiong

Connected and autonomous vehicles (CAVs) rely heavily upon time-sensitive information update services to ensure the safety of people and assets, and satisfactory entertainment applications. Therefore, the freshness of information is a…

系统与控制 · 电气工程与系统科学 2024-03-15 Anik Mallik , Dawei Chen , Kyungtae Han , Jiang Xie , Zhu Han

Information freshness is a status update timeliness indicator of utmost importance to several real-time applications, such as connected and autonomous driving. The Ageof- Information (AoI) metric is widely considered as useful to quantify…

信息论 · 计算机科学 2020-03-06 Mustafa Emara , Miltiades C. Filippou , Dario Sabella

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…

信息论 · 计算机科学 2025-03-18 Wanja de Sombre , Andrea Ortiz , Frank Aurzada , Anja Klein

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…

分布式、并行与集群计算 · 计算机科学 2022-10-05 Soohyun Park , Chanyoung Park , Soyi Jung , Minseok Choi , Joongheon Kim

The emergence of new intelligent applications has fostered the development of a task-oriented communication paradigm, where a comprehensive, universal, and practical metric is crucial for unleashing the potential of this paradigm. To this…

信息论 · 计算机科学 2025-08-21 Shuying Gan , Xijun Wang , Chao Xu , Xiang Chen

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…

网络与互联网体系结构 · 计算机科学 2019-12-24 Mohamed K. Abdel-Aziz , Sumudu Samarakoon , Chen-Feng Liu , Mehdi Bennis , Walid Saad

We analyze Age of Information (AoI) in wireless networks where nodes use a spatially adaptive random access scheme to send status updates to a central base station. We show that the set of achievable AoI in this setting is convex, and…

网络与互联网体系结构 · 计算机科学 2023-01-06 Nicholas Jones , Eytan Modiano

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…

信息论 · 计算机科学 2024-01-03 Jie Cao , Xu Zhu , Sumei Sun , Ernest Kurniawan , Amnart Boonkajay

While the notion of age of information (AoI) has recently emerged as an important concept for analyzing ultra-reliable low-latency communications (URLLC), the majority of the existing works have focused on the average AoI measure. However,…

网络与互联网体系结构 · 计算机科学 2019-11-28 Mohamed K. Abdel-Aziz , Chen-Feng Liu , Sumudu Samarakoon , Mehdi Bennis , Walid Saad

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…

信息论 · 计算机科学 2024-05-08 Xinlu Dai , Cyril Leung

Timely and informative data dissemination in communication networks is essential for enhancing system performance and energy efficiency, as it reduces the transmission of outdated or redundant data. Timeliness metrics, such as Age of…

网络与互联网体系结构 · 计算机科学 2026-01-09 Erfan Delfani , Nikolaos Pappas

The Age of Information (AoI) is a performance metric that quantifies the freshness of data in systems where timely updates are critical. Most state-of-the-art methods typically assume that packets enter the monitored system with zero age,…

信息论 · 计算机科学 2025-12-01 Fernando Miguelez , Urtzi Ayesta , Josu Doncel , Maria Dolores Ugarte

We study a goal-oriented communication system in which a source monitors an environment that evolves as a discrete-time, two-state Markov chain. At each time slot, a controller decides whether to sample the environment and if so whether to…

信息论 · 计算机科学 2025-08-12 Rishabh S. Pomaje , Jayanth S. , Rajshekhar V. Bhat , Nikolaos Pappas

In the Internet of Vehicles (IoV), Age of Information (AoI) has become a vital performance metric for evaluating the freshness of information in communication systems. Although many studies aim to minimize the average AoI of the system…

信息论 · 计算机科学 2025-06-23 Cui Zhang , Maoxin Ji , Qiong Wu , Pingyi Fan , Qiang Fan

To address the high mobility impacts and the ultra-reliable and low-latency communication (URLLC) requirements in autonomous driving scenarios, rate-splitting multiple access (RSMA) combined with short-packet communication (SPC) emerges as…

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