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The Age of Incorrect Information (AoII) is a recently proposed metric for real-time remote monitoring systems. In particular, AoII measures the time the information at the monitor is incorrect, weighted by the magnitude of this…

Information Theory · Computer Science 2024-12-05 Konstantinos Bountrogiannis , Anthony Ephremides , Panagiotis Tsakalides , George Tzagkarakis

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

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

We consider a cognitive radio-based Internet-of-Things (CR-IoT) network consisting of one primary IoT (PIoT) system and one secondary IoT (SIoT) system. The IoT devices of both the PIoT and the SIoT respectively monitor one physical process…

Signal Processing · Electrical Eng. & Systems 2019-08-21 Yifan Gu , He Chen , Chao Zhai , Yonghui Li , Branka Vucetic

With the rapid deployment of the Internet of Things (IoT), fifth-generation (5G) and beyond 5G networks are required to support massive access of a huge number of devices over limited radio spectrum radio. In wireless networks, different…

Signal Processing · Electrical Eng. & Systems 2020-12-18 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Chau Yuen , Ruilong Deng

In this work, we adopt the emerging technology of mobile edge computing (MEC) in the Unmanned aerial vehicles (UAVs) for communication-computing systems, to optimize the age of information (AoI) in the network. We assume that tasks are…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Marjan Tajik , Mohammadreza Maleki , Nader Mokari , Mohammad Reza Javan , Hamid Saeedi , Bile Peng , Eduard A. Jorswieck

Age-of-Information (AoI) is a recently proposed metric for quantifying the freshness of information from the UE's perspective in a communication network. Recently, Kadota et al. [1] have proposed an index-type approximately optimal…

Information Theory · Computer Science 2019-04-02 Arunabh Srivastava , Abhishek Sinha , Krishna Jagannathan

Age-of-Information (AoI) is a recently introduced metric for network operation with sensor applications which quantifies the freshness of data. In the context of networked control systems (NCSs), we compare the worth of the AoI metric with…

Information Theory · Computer Science 2019-03-14 Onur Ayan , Mikhail Vilgelm , Markus Klügel , Sandra Hirche , Wolfgang Kellerer

Cognitive radar networks (CRNs) are capable of optimizing operating parameters in order to provide actionable information to an operator or secondary system. CRNs have been proposed to answer the need for low-cost devices tracking…

Systems and Control · Electrical Eng. & Systems 2024-03-05 William W. Howard , Anthony F. Martone , R. Michael Buehrer

This paper studies information freshness in information update systems operated with TDMA and FDMA. Information freshness is characterized by a recently introduced metric, age of information (AoI), defined as the time elapsed since the…

Information Theory · Computer Science 2019-11-07 Haoyuan Pan , Soung Chang Liew

In this paper, we investigate the problem of age of information (AoI)-aware radio resource management for expected long-term performance optimization in a Manhattan grid vehicle-to-vehicle network. With the observation of global network…

Artificial Intelligence · Computer Science 2019-11-18 Xianfu Chen , Celimuge Wu , Tao Chen , Honggang Zhang , Zhi Liu , Yan Zhang , Mehdi Bennis

In this paper, we study a system in which a sensor forwards status updates to a receiver through an error-prone channel, while the receiver sends the transmission results back to the sensor via a reliable channel. Both channels are subject…

Information Theory · Computer Science 2025-02-25 Hongyi He , Haoyue Tang , Jiayu Pan , Jintao Wang , Jian Song , Leandros Tassiulas

This paper considers a cooperative Internet of Things (IoT) system with a source aiming to transmit randomly generated status updates to a designated destination as timely as possible under the help of a relay. We adopt a recently proposed…

Information Theory · Computer Science 2021-01-05 Bohai Li , Qian Wang , He Chen , Yong Zhou , Yonghui Li

In this paper, we introduce the Age of Incorrect Information (AoII) as an enabler for semantics-empowered communication, a newly advocated communication paradigm centered around data's role and its usefulness to the communication's goal.…

Information Theory · Computer Science 2022-10-12 Ali Maatouk , Mohamad Assaad , Anthony Ephremides

In Location-Based Services (LBS), such as food delivery, a fundamental task is segmenting Areas of Interest (AOIs), aiming at partitioning the urban geographical spaces into non-overlapping regions. Traditional AOI segmentation algorithms…

Artificial Intelligence · Computer Science 2024-12-10 Youfang Lin , Jinji Fu , Haomin Wen , Jiyuan Wang , Zhenjie Wei , Yuting Qiang , Xiaowei Mao , Lixia Wu , Haoyuan Hu , Yuxuan Liang , Huaiyu Wan

Age of information (AoI) is a recently proposed metric that measures the time elapsed since the generation of the last received information update. We consider the problem of AoI minimization for a network under general interference…

Networking and Internet Architecture · Computer Science 2018-05-18 Rajat Talak , Igor Kadota , Sertac Karaman , Eytan Modiano

Ultra-reliable and low-latency communications (URLLC) is expected to be supported without compromising the resource usage efficiency. In this paper, we study how to maximize energy efficiency (EE) for URLLC under the stringent quality of…

Information Theory · Computer Science 2017-08-01 Chengjian Sun , Changyang She , Chenyang Yang

This paper characterizes the fundamental trade-off between throughput and Age of Information (AoI) in wireless networks where multiple devices transmit status updates to a central base station over unreliable channels. To address the…

Systems and Control · Electrical Eng. & Systems 2025-09-09 Lin Wang , I-Hong Hou

Popular methods to quantify transmitted data quality are the Age of Information (AoI), the Query Age of Information (QAoI), and the Age of Incorrect Information (AoII). We consider these metrics in a point-to-point wireless communication…

Information Theory · Computer Science 2025-03-18 Wanja de Sombre , Andrea Ortiz , Frank Aurzada , Anja Klein

With the rapid development of intelligent vehicles and Intelligent Transport Systems (ITS), the sensors such as cameras and LiDAR installed on intelligent vehicles provides higher capacity of executing computation-intensive and…

Machine Learning · Computer Science 2024-07-03 Wenhua Wang , Qiong Wu , Pingyi Fan , Nan Cheng , Wen Chen , Jiangzhou Wang , Khaled B. Letaief