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Related papers: Service-Oriented AoI Modeling and Analysis for Non…

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In this paper, we propose the concept of AIO-RAN-NTN, a unified all-in-one Radio Access Network (RAN) for Non-Terrestrial Networks (NTNs), built on an open architecture that leverages open interfaces and artificial intelligence (AI)-based…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Tri Nhu Do

Massive ultra-reliable and low latency communications (mURLLC) has emerged to support wireless time/error-sensitive services, which has attracted significant research attention while imposing several unprecedented challenges not encountered…

Systems and Control · Electrical Eng. & Systems 2024-06-11 Jingqing Wang , Wenchi Cheng , H. Vincent Poor

In this paper, we consider the multicast transmission of a real-time Internet of Things (IoT) system, where an access point (AP) transmits time-stamped status updates to multiple IoT devices. Different from the existing studies that only…

Information Theory · Computer Science 2020-03-20 Jie Li , Yong Zhou , He Chen

This work is motivated by the need of collecting fresh data from power-constrained sensors in the industrial Internet of Things (IIoT) network. A recently proposed metric, the Age of Information (AoI) is adopted to measure data freshness…

Information Theory · Computer Science 2020-03-12 Haoyue Tang , Jintao Wang , Linqi Song , Jian Song

In this paper, a real-time Internet of Things (IoT) monitoring system is considered in which the IoT devices are scheduled to sample underlying physical processes and send the status updates to a common destination. In a real-world IoT, due…

Information Theory · Computer Science 2020-01-27 Bo Zhou , Walid Saad

In this paper, we investigate the age-of-information (AoI) of a power domain non-orthogonal multiple access (NOMA) network, where multiple internet-of-things (IoT) devices transmit to a common gateway in a grant-free random fashion. More…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Felippe Moraes Pereira , Jamil de Araujo Farhat , João Luiz Rebelatto , Glauber Brante , Richard Demo Souza

This paper analyzes the age of information (AoI) for a pinching antenna (PA)-assisted wireless powered communication network (WPCN) with probabilistic line-of-sight (LoS) blockage. AoI is a key metric for evaluating the freshness of status…

Information Theory · Computer Science 2025-11-11 Huimin Hu , Ruihong Jiang , Yanqing Xu , Jiarui Ma , Fang Fang

We study the age of information (AoI) in a random access network consisting of multiple source-destination pairs, where each source node is empowered by energy harvesting capability. Every source node transmits a sequence of data packets to…

Networking and Internet Architecture · Computer Science 2025-04-23 Fangming Zhao , Nikolaos Pappas , Meng Zhang , Howard H. Yang

Terrestrial networks form the fundamental infrastructure of modern communication systems, serving more than 4 billion users globally. However, terrestrial networks are facing a wide range of challenges, from coverage and reliability to…

As 5G and Internet-of-Things (IoT) are deeply integrated into vertical industries such as autonomous driving and industrial robotics, timely status update is crucial for remote monitoring and control. In this regard, Age of Information…

Information Theory · Computer Science 2020-02-20 Xi Zheng , Sheng Zhou , Zhisheng Niu

The International Mobile Telecommunications (IMT)-2030 framework recently adopted by the International Telecommunication Union Radiocommunication Sector (ITU-R) envisions 6G networks to deliver intelligent, seamless connectivity that…

Non-terrestrial network (NTN) is envisioned as a critical component of Sixth Generation (6G) networks by enabling ubiquitous services and enhancing network resilience. However, the inherent mobility and high-altitude operation of NTN pose…

Networking and Internet Architecture · Computer Science 2026-01-23 Jikang Deng , S. Fizza Hassan , Hui Zhou , Saad Al-Ahmadi , Mohamed-Slim Alouini , Daniel B. Da Costa

We focus on the Age of Information (AoI) performance in a system where each user generates packets periodically to send to a common access point (AP) for status updating. To avoid heavy overhead, we assume that channel sensing, feedback…

Information Theory · Computer Science 2024-11-15 Fang Liu , Wing Shing Wong , Yuan-Hsun Lo , Yijin Zhang , Chung Shue Chen

Age of information (AoI), a metric to analyse data freshness, is of interest for time-critical applications in upcoming wireless networks. Besides, wireless power transfer (WPT) is also essential to prolong lifetime of a wireless sensor…

Information Theory · Computer Science 2020-07-15 Yasaman Khorsandmanesh , Mohammad Javad Emadi , Ioannis Krikidis

The groundbreaking metric age of information (AoI) has been introduced to measure information freshness in communication networks. As transformational as it is, AoI metric falls short in some applications, such as remote monitoring, since…

Information Theory · Computer Science 2026-05-18 Ismail Cosandal , Sennur Ulukus

From 5G onwards, Non-Terrestrial Networks (NTNs) have emerged as a key component of future network architectures. Leveraging Low Earth Orbit (LEO) satellite constellations, NTNs are capable of building a space Internet and present a…

Networking and Internet Architecture · Computer Science 2024-12-03 Feng Wang , Shengyu Zhang , Huiting Yang , Tony Q. S. Quek

Scheduling updates from remote sensors is a key task for the internet of things (IoT). In this context, the mathematical concept of age of information is often used to capture the freshness of received data. This is, in turn, relevant to…

Information Theory · Computer Science 2022-08-31 Andrea Munari , Leonardo Badia

The 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, the problem of characterizing and controlling the AoI is…

Signal Processing · Electrical Eng. & Systems 2021-05-21 Minsu Kim , Sungho Lee , Chanwon Park , Jemin Lee , Walid Saad

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 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
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