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Related papers: Energy and Age-Aware MAC for Low-Power Massive IoT

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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…

Information Theory · Computer Science 2024-01-03 Jie Cao , Xu Zhu , Sumei Sun , Ernest Kurniawan , Amnart Boonkajay

Effective control of time-sensitive industrial applications depends on the real-time transmission of data from underlying sensors. Quantifying the data freshness through age of information (AoI), in this paper, we jointly design sampling…

Information Theory · Computer Science 2023-12-19 Yali Cao , Yinglei Teng , Mei Song , Nan Wang

We investigate the age of information (AoI) in a scenario where energy-harvesting devices send status updates to a gateway following the slotted ALOHA protocol and receive no feedback. We let the devices adjust the transmission…

Information Theory · Computer Science 2025-03-03 Khac-Hoang Ngo , Giuseppe Durisi , Andrea Munari , Francisco Lázaro , Alexandre Graell i Amat

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

We summarize recent contributions in the broad area of age of information (AoI). In particular, we describe the current state of the art in the design and optimization of low-latency cyberphysical systems and applications in which sources…

Information Theory · Computer Science 2020-07-20 Roy D. Yates , Yin Sun , D. Richard Brown , Sanjit K. Kaul , Eytan Modiano , Sennur Ulukus

The Age of Incorrect Information (AoII) is a metric that can combine the freshness of the information available to a gateway in an Internet of Things (IoT) network with the accuracy of that information. As such, minimizing the AoII can…

Information Theory · Computer Science 2023-01-27 Anupam Nayak , Anders E. Kalør , Federico Chiariotti , Petar Popovski

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

Providing timely and informative data in integrated terrestrial and non-terrestrial networks is critical as data volume grows while the resources available on devices remain limited. To address this, we adopt a semantics-aware approach to…

Networking and Internet Architecture · Computer Science 2025-05-08 Erfan Delfani , Nikolaos Pappas

In this paper, a real-time Internet of Things (IoT) monitoring system is considered in which multiple IoT devices must transmit timely updates on the status information of a common underlying physical process to a common destination. In…

Information Theory · Computer Science 2020-04-15 Bo Zhou , Walid Saad

The widespread adoption of age of information (AoI) as a meaningful and analytically tractable information freshness metric has led to a wide body of work on the timing performance of Internet of things (IoT) systems. However, the spatial…

Information Theory · Computer Science 2025-06-06 Andrea Munari , Federico Chiariotti , Leonardo Badia , Petar Popovski

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

We consider a system consisting of $N$ source nodes communicating with a common receiver. Each source node has a buffer of infinite capacity to store incoming bursty traffic in the form of status updates transmitted in packets, which should…

Networking and Internet Architecture · Computer Science 2019-07-02 Antzela Kosta , Nikolaos Pappas , Anthony Ephremides , Vangelis Angelakis

In this paper, we examine a multi-sensor system where each sensor may monitor more than one time-varying information process and send status updates to a remote monitor over a common channel. We consider that each sensor's status update may…

Information Theory · Computer Science 2024-08-21 Egemen Erbayat , Ali Maatouk , Peng Zou , Suresh Subramaniam

An energy-harvesting sensor node that is sending status updates to a destination is considered. The sensor is equipped with a battery of finite size to save its incoming energy, and consumes one unit of energy per status update…

Information Theory · Computer Science 2019-05-10 Ahmed Arafa , Jing Yang , Sennur Ulukus , H. Vincent Poor

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

This study investigates a cognitive shared access network with energy harvesting capabilities operating under Age of Information (AoI) constraints for the primary user. Secondary transmitters are spatially distributed according to a…

Networking and Internet Architecture · Computer Science 2025-10-14 Georgios Smpokos , Dionysis Xenakis , Marios Kountouris , Nikolaos Pappas

In this paper, we consider an information update system where a wireless sensor sends timely updates to the destination over an erasure channel with the supply of harvested energy and reliable backup energy. The metric Age of…

Information Theory · Computer Science 2022-07-27 Lixin Wang , Fuzhou Peng , Xiang Chen , Shidong Zhou

More and more emerging Internet of Things (IoT) applications involve status updates, where various IoT devices monitor certain physical processes and report their latest statuses to the relevant information fusion nodes. A new performance…

Networking and Internet Architecture · Computer Science 2020-04-01 Zixiao Han , Jiaxin Liang , Yifan Gu , He Chen

This paper investigates information freshness of multichannel access in information update systems. Age of information (AoI) is a fundamentally important metric to characterize information freshness, defined as the time elapsed since the…

Networking and Internet Architecture · Computer Science 2021-06-02 Jiaxin Liang , Haoyuan Pan , Soung Chang Liew

This work studies a real-time environment monitoring scenario in the industrial Internet of things, where wireless sensors proactively collect environmental data and transmit it to the controller. We adopt the notion of risk-sensitivity in…

Networking and Internet Architecture · Computer Science 2021-06-15 Yung-Lin Hsu , Chen-Feng Liu , Sumudu Samarakoon , Hung-Yu Wei , Mehdi Bennis