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Related papers: Status Updating via Integrated Sensing and Communi…

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In this paper, we study age of information (AoI) optimization for status updating in an integrated sensing and communication (ISAC) system. We consider a discrete-time architecture in which a base station interacts with a physical…

Information Theory · Computer Science 2026-05-26 Marco Zanni , Mohamad Assaad , Touraj Soleymani

This paper studies strategic design in an integrated sensing and communication (ISAC) architecture for feedback control of cyber-physical systems. We focus on a setting in which the regulation of a physical process (i.e., remote source) is…

Information Theory · Computer Science 2026-02-02 Touraj Soleymani , Mohamad Assaad , John S. Baras

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…

Information Theory · Computer Science 2021-10-05 Xijun Wang , Wenrui Lin , Chao Xu , Xinghua Sun , Xiang Chen

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…

Information Theory · Computer Science 2020-03-03 Wenrui Lin , Xijun Wang , Chao Xu , Xinghua Sun , Xiang Chen

In this paper, we consider the problem of optimizing the freshness of status updates that are sent from a large number of low-power source nodes to a common access point. The source nodes utilize carrier sensing to reduce collisions and…

Information Theory · Computer Science 2019-12-17 Ahmed M. Bedewy , Yin Sun , Rahul Singh , Ness B. Shroff

Integrated sensing and communication (ISAC) is a cornerstone technology for 6G networks, offering unified support for high-rate communication and high-accuracy sensing. While existing literature extensively covers link-level designs, the…

Information Theory · Computer Science 2026-01-16 Edward Andrews , Lawrence Ong , Duy T. Ngo , Yao Liu , Min Li

Age-of-Information (AoI), or simply age, which measures the data freshness, is essential for real-time Internet-of-Things (IoT) applications. On the other hand, energy saving is urgently required by many energy-constrained IoT devices. This…

Information Theory · Computer Science 2021-08-16 Jie Gong , Jianhang Zhu , Xiang Chen , Xiao Ma

In connected vehicular networks, it is vital to have vehicular nodes that are capable of sensing about surrounding environments and exchanging messages with each other for automating and coordinating purpose. Towards this end, integrated…

Information Theory · Computer Science 2022-05-05 Yao Liu , Min Li , An Liu , Jianmin Lu , Tony Xiao Han

Integrated sensing and communication (ISAC) is a promising technique to provide sensing services in future wireless networks. Numerous existing works have adopted a monostatic radar architecture to realize ISAC, i.e., employing the same…

Information Theory · Computer Science 2023-05-17 Dongfang Xu , Chang Liu , Shenghui Song , Derrick Wing Kwan Ng

With the rapid growth of real-time Internet of Things (IoT) applications, the need for fresh information has surged. Age of Information (AoI) is a tailor-made metric to characterize the information freshness perceived by the devices. In…

Information Theory · Computer Science 2019-03-12 Jingzhou Sun , Zhiyuan Jiang , Sheng Zhou , Zhisheng Niu

Caching has been regarded as a promising technique to alleviate energy consumption of sensors in Internet of Things (IoT) networks by responding to users' requests with the data packets stored in the edge caching node (ECN). For real-time…

Information Theory · Computer Science 2020-03-03 Chao Xu , Xijun Wang , Howard H. Yang , Hongguang Sun , Tony Q. S. Quek

This paper investigates a multiuser scheduling problem within an uplink multiple-input multi-output (MIMO) status update network, consisting of a multi-antenna base station (BS) and multiple single-antenna devices. The presence of multiple…

Information Theory · Computer Science 2024-01-05 Jingwei Liu , Qian Wang , He Chen

This paper characterizes the structure of the Age of Information (AoI)-optimal policy in wireless powered communication systems while accounting for the time and energy costs of generating status updates at the source nodes. In particular,…

Information Theory · Computer Science 2020-06-12 Mohamed A. Abd-Elmagid , Harpreet S. Dhillon , Nikolaos Pappas

In Internet of Things (IoTs), the freshness of system status information is crucial for real-time monitoring and decision-making. This paper studies the transmission scheduling problem in wireless monitoring systems, where information…

Networking and Internet Architecture · Computer Science 2026-03-09 Yuchong Zhang , Yi Cao , Xianghui Cao

A sensor samples and transmits status updates to a destination through a wireless channel that wears out over time and with every use. At each time slot, the sensor can decide to sample and transmit a fresh status update, restore the…

Information Theory · Computer Science 2023-12-05 George J. Stamatakis , Osvaldo Simeone , Nikolaos Pappas

IoT devices recently are utilized to detect the state transition in the surrounding environment and then transmit the status updates to the base station for future system operations. To satisfy the stringent timeliness requirement of the…

Networking and Internet Architecture · Computer Science 2022-11-01 Yi Chen , Zheng Chang , Geyong Min , Shiwen Mao , Timo Hämäläinen

Integrated sensing and communication (ISAC) networks strive to deliver both high-precision target localization and high-throughput data services across the entire coverage area. In this work, we examine the fundamental trade-off between…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Kaitao Meng , Kawon Han , Christos Masouros , Lajos Hanzo

We consider the problem of optimizing the freshness of status updates that are sent from a large number of low-power sources to a common access point. The source nodes utilize carrier sensing to reduce collisions and adopt an asynchronized…

Information Theory · Computer Science 2021-03-02 Ahmed M. Bedewy , Yin Sun , Rahul Singh , Ness B. Shroff

In a typical Internet of Things (IoT) application where a central controller collects status updates from multiple terminals, e.g., sensors and monitors, through a wireless multiaccess uplink, an important problem is how to attain timely…

Information Theory · Computer Science 2018-01-15 Zhiyuan Jiang , Bhaskar Krishnamachari , Xi Zheng , Sheng Zhou , Zhisheng Niu

A point-to-point integrated sensing and communication (ISAC) system is considered where a transmitter conveys a message to a receiver over a discrete memoryless channel (DMC) and simultaneously estimates the state of the channel through the…

Information Theory · Computer Science 2025-01-14 Homa Nikbakht , Michèle Wigger , Shlomo Shamai , H. Vincent Poor
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