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相关论文: Ensuring Data Freshness for Blockchain-enabled Mon…

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Age of information (AoI) is a recently proposed metric for quantifying data freshness in real-time status monitoring systems where timeliness is of importance. In this paper, we explore the data freshness in the Hyperledger Fabric…

信号处理 · 电气工程与系统科学 2020-10-29 Minsu Kim , Sungho Lee , Chanwon Park , Jemin Lee

Recent advances in blockchain have led to a significant interest in developing blockchain-based applications. While data can be retained in blockchains, the stored values can be deleted or updated. From a user viewpoint that searches for…

分布式、并行与集群计算 · 计算机科学 2021-05-05 Sungho Lee , Minsu Kim , Jemin Lee , Ruei-Hau Hsu , Tony Q. S. Quek

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

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…

信息论 · 计算机科学 2019-12-10 Rajat Talak , Sertac Karaman , Eytan Modiano

The freshness of status updates is imperative in mission-critical Internet of things (IoT) applications. Recently, Age of Information (AoI) has been proposed to measure the freshness of updates at the receiver. However, AoI only…

信息论 · 计算机科学 2020-03-03 Wenrui Lin , Xijun Wang , Chao Xu , Xinghua Sun , Xiang Chen

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

Age of Information (AoI) has gained importance as a Key Performance Indicator (KPI) for characterizing the freshness of information in information-update systems and time-critical applications. Recent theoretical research on the topic has…

网络与互联网体系结构 · 计算机科学 2019-08-29 Hasan Burhan Beytur , Sajjad Baghaee , Elif Uysal

Age of information (AoI) is a powerful metric to evaluate the freshness of information, where minimization of average statistics, such as the average AoI and average peak AoI, currently prevails in guiding freshness optimization for related…

信息论 · 计算机科学 2023-11-29 Yuquan Xiao , Qinghe Du

Age of Information (AoI) measures the freshness of data in mission critical Internet-of-Things (IoT) applications i.e., industrial internet, intelligent transportation systems etc. In this paper, a new system model is proposed to estimate…

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…

网络与互联网体系结构 · 计算机科学 2020-01-29 Yao Zhao , Bo Zhou , Walid Saad , Xiliang Luo

In this paper, we introduce a new data freshness metric, relative Age of Information (rAoI), and examine it in a single server system with various packet management schemes. The (classical) AoI metric was introduced to measure the staleness…

信息论 · 计算机科学 2019-07-02 Peng Zou , Omur Ozel , Suresh Subramaniam

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…

信号处理 · 电气工程与系统科学 2021-11-30 Bin Han , Yao Zhu , Zhiyuan Jiang , Yulin hu , Hans D. Schotten

While age of Information (AoI) has gained importance as a metric characterizing the fresh-ness of information in information-update systems and time-critical applications, most previous studies on AoI have been theoretical. In this chapter,…

网络与互联网体系结构 · 计算机科学 2021-06-07 Elif Uysal , Onur Kaya , Sajjad Baghaee , Hasan Burhan Beytur

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.…

分布式、并行与集群计算 · 计算机科学 2019-01-15 Qiaobin Kuang , Jie Gong , Xiang Chen , Xiao Ma

Timely status updating is crucial for future applications that involve remote monitoring and control, such as autonomous driving and Industrial Internet of Things (IIoT). Age of Information (AoI) has been proposed to measure the freshness…

信息论 · 计算机科学 2020-01-29 Xi Zheng , Sheng Zhou , Zhisheng Niu

In cyber-physical systems, as in 5G and beyond, multiple physical processes require timely online monitoring at a remote device. There, the received information is used to estimate current and future process values. When transmitting the…

信息论 · 计算机科学 2020-05-12 Stefan Roth , Ahmed Arafa , H. Vincent Poor , Aydin Sezgin

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

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…

信息论 · 计算机科学 2026-02-13 Shih-Kai Chou , Maice Costa , Mihael Mohorčič , Jernej Hribar

In this paper, we consider a point-to-point wireless communication system. The source monitors a physical process and generates status update packets according to a Poisson process. The packets are transmitted to the destination by using…

信号处理 · 电气工程与系统科学 2019-08-20 Rui Wang , Yifan Gu , He Chen , Yonghui Li , Branka Vucetic

In Internet of Things (IoT), the freshness of status updates is crucial for mission-critical applications. In this regard, it is suggested to quantify the freshness of updates by using Age of Information (AoI) from the receiver's…

信息论 · 计算机科学 2021-10-05 Xijun Wang , Wenrui Lin , Chao Xu , Xinghua Sun , Xiang Chen
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