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We consider a source monitoring a stochastic process with a transmitter to transmit timely information through a wireless ON/OFF channel to a destination. We assume that once the source samples the data, the sampled data has to be processed…

Information Theory · Computer Science 2023-06-27 Jayanth S , Nikolaos Pappas , Rajshekhar V Bhat

6G In-Factory Subnetworks (InF-S) have recently been introduced as short-range, low-power radio cells installed in robots and production modules to support the strict requirements of modern control systems. Information freshness,…

Systems and Control · Electrical Eng. & Systems 2025-04-22 Hossam Farag , Mohamed Ragab , Gilberto Berardinelli , Cedomir Stefanovic

The increase of cyberattacks using IoT devices has exposed the vulnerabilities in the infrastructures that make up the IoT and have shown how small devices can affect networks and services functioning. This paper presents a review of the…

Cryptography and Security · Computer Science 2020-09-23 Jose de Jesus Rugeles , Edward Paul Guillen , Leonardo S Cardoso

In 5G and beyond communication systems, the notion of latency gets great momentum in wireless connectivity as a metric for serving real-time communications requirements. However, in many applications, research has pointed out that latency…

Networking and Internet Architecture · Computer Science 2023-05-16 Emmanouil Fountoulakis , Themistoklis Charalambous , Anthony Ephremides , Nikolaos Pappas

Age of Information (AoI), measures the time elapsed since the last received information packet was generated at the source. We consider the problem of AoI minimization for single-hop flows in a wireless network, under pairwise interference…

Information Theory · Computer Science 2018-03-20 Rajat Talak , Sertac Karaman , Eytan Modiano

Age of Information (AoI) has recently received much attention due to its relevance in IoT sensing and monitoring applications. In this paper, we consider the problem of minimizing the AoI in a system in which a set of sources are observed…

Information Theory · Computer Science 2022-08-19 Anders E. Kalør , Petar Popovski

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

Internet of Things (IoT) with its growing number of deployed devices and applications raises significant challenges for network maintenance procedures. In this work, we formulate a problem of autonomous maintenance in IoT networks as a…

Networking and Internet Architecture · Computer Science 2021-01-01 George Stamatakis , Nikolaos Pappas , Alexandros Fragkiadakis , Apostolos Traganitis

Low Earth Orbit (LEO) satellite constellations are bringing the Internet of Things (IoT) to the space arena, also known as non-terrestrial networks. Several IoT satellite applications for tracking ships and cargo can be seen as exemplary…

Networking and Internet Architecture · Computer Science 2020-07-13 Federico Chiariotti , Olga Vikhrova , Beatriz Soret , Petar Popovski

To achieve truly seamless global intelligent connectivity, non-terrestrial networks (NTN) mainly composed of low earth orbit (LEO) satellites and drones are recognized as important components of the future 6G network architecture.…

Social and Information Networks · Computer Science 2024-09-02 Zheng Guo , Qian Chen , Weixiao Meng

In real-time Industrial Internet of Things (IIoT), e.g., monitoring and control scenarios, the freshness of data is crucial to maintain the system functionality and stability. In this paper, we propose an AoI-Aware Deep Learning (AA-DL)…

Networking and Internet Architecture · Computer Science 2023-11-23 Hossam Farag , Mohamed Ragab , Cedomir Stefanovic

With the rapid development of Internet of Things (IoT), massive devices are deployed, which poses severe challenges on access networks due to limited communication resources. When massive users contend for access, the information freshness…

Information Theory · Computer Science 2022-07-12 Dongliang Zhang , Jie Gong , Xiang Chen

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

Timely sampling and fresh information delivery are important in 6G communications. This is achieved by encoding samples into short packets/codewords for transmission, with potential decoding errors. We consider a broadcasting base station…

Information Theory · Computer Science 2023-09-13 Sumanth S Raikar , Rajshekhar V Bhat

The Age-of-Information (AoI) is a new performance metric recently proposed for measuring the freshness of information in information-update systems. In this work, we conduct a systematic and comparative study to investigate the impact of…

Information Theory · Computer Science 2020-10-07 Zhongdong Liu , Liang Huang , Bin Li , Bo Ji

This paper investigates the problem of minimizing the Age of Incorrect Information (AoII) when the communication channel has a random delay. We consider a slotted-time system where a transmitter observes a dynamic source and decides when to…

Information Theory · Computer Science 2023-01-19 Yutao Chen , Anthony Ephremides

In this work, we consider a remote monitoring scenario in which multiple sensors share a wireless channel to deliver their status updates to a process monitor via an access point (AP). Moreover, we consider that the sensors randomly arrive…

Networking and Internet Architecture · Computer Science 2022-02-21 Yash Deshpande , Onur Ayan , Wolfgang Kellerer

In this letter, a reconfigurable intelligent surface (RIS)-assisted simultaneous wireless information and power transfer (SWIPT) network is investigated. To quantify the freshness of the data packets at the information receiver, the age of…

Signal Processing · Electrical Eng. & Systems 2022-10-05 Wanting Lyu , Yue Xiu , Jun Zhao , Zhongpei Zhang

This paper investigates an Internet of Things (IoT) system in which multiple devices are observing some object's physical parameters and then offloading their observations back to the BS in time with opportunistic channel access.…

Information Theory · Computer Science 2022-10-21 Lei Wang , Rongfei Fan

This paper considers a cooperative status update system with a source aiming to send randomly generated status updates to a designated destination as timely as possible with the help of a relay. We adopt a recently proposed concept, Age of…

Information Theory · Computer Science 2020-01-14 Bohai Li , He Chen , Yong Zhou , Yonghui Li
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