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Related papers: Safety-Aware AoI Scheduling for LEO Satellite-Assi…

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Capturing disused satellites in orbit and their controlled reentry is the aim of the DEOS space mission. Satellites that ran out of fuel or got damaged pose a threat to working projects in orbit. Additionally, the reentry of such objects…

Optimization and Control · Mathematics 2012-04-02 Johannes Michael , Kurt Chudej , Jürgen Pannek

In an Internet-of-Things system where status data are collected from sensors and actuators for time-critical applications, the freshness of data is vital and can be quantified by the recently proposed age-of-information (AoI) metric. In…

Information Theory · Computer Science 2018-03-23 Zhiyuan Jiang , Bhaskar Krishnamachari , Sheng Zhou , Zhisheng Niu

A status updating system is considered in which multiple data sources generate packets to be delivered to a destination through a shared energy harvesting sensor. Only one source's data, when available, can be transmitted by the sensor at a…

Information Theory · Computer Science 2021-09-16 Christopher Daniel , Ahmed Arafa

AI safety has emerged as a critical priority as these systems are increasingly deployed in real-world applications. We propose the first domain-agnostic AI safety ensuring framework that achieves strong safety guarantees while preserving…

Artificial Intelligence · Computer Science 2025-10-07 Beomjun Kim , Kangyeon Kim , Sunwoo Kim , Yeonsang Shin , Heejin Ahn

The increasing number of Anthropogenic Space Objects (ASOs) in Low Earth Orbit (LEO) poses a threat to the safety and sustainability of the space environment. Multiple companies are planning to launch large constellations of hundreds or…

Space Physics · Physics 2022-06-14 Andrea D'Ambrosio , Miles Lifson , Richard Linares

This paper investigates the tradeoff between the average age of information (AoI) and the transmission cost for networks with stochastic packet arrival and random erasure channel. Specifically, we model the resource-constrained AoI…

Information Theory · Computer Science 2022-06-28 Yonghao Ji , Xiaoli Xu

We consider a slotted-time system with a transmitter-receiver pair. In the system, a transmitter observes a dynamic source and sends updates to a remote receiver through a communication channel. We assume that the channel is error-free but…

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

In safety-critical scenarios, the protection level of the autonomous navigation system is crucial for enabling mobile robots to perform safe tasks. However, existing studies on probabilistic navigation systems for robots usually perform…

Robotics · Computer Science 2026-05-12 Yueqi Zhu , Yan Pan , Chufan Rui , Jiasheng Luo , Shihua Li , Bo Zhou

Connected vehicular network is one of the key enablers for next generation cloud/fog-supported autonomous driving vehicles. Most connected vehicular applications require frequent status updates and Age of Information (AoI) is a more…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-10 Maohong Chen , Yong Xiao , Qiang Li , Kwang-cheng Chen

AI systems in high-consequence domains such as defense, intelligence, and disaster response must detect rare, high-impact events while operating under tight resource constraints. Traditional annotation strategies that prioritize label…

Machine Learning · Computer Science 2025-05-22 Dave Cook , Tim Klawa

The next generation of satellite constellations is designed to better address the future needs of our connected society: highly-variable data demand, mobile connectivity, and reaching more under-served regions. Artificial Intelligence (AI)…

Artificial Intelligence · Computer Science 2021-12-14 Juan Jose Garau-Luis , Skylar Eiskowitz , Nils Pachler , Edward Crawley , Bruce Cameron

We consider a scenario that utilizes road side units (RSUs) as distributed caches in connected vehicular networks. The goal of the use of caches in our scenario is for rapidly providing contents to connected vehicles under various traffic…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-02 Soohyun Park , Soyi Jung , Minseok Choi , Joongheon Kim

New technologies for sensing and communication act as enablers for cooperative driving applications. Sensors are able to detect objects in the surrounding environment and information such as their current location is exchanged among…

Multiagent Systems · Computer Science 2023-10-12 Julian Heinovski , Jorge Torres Gómez , Falko Dressler

Preceding vehicles typically dominate the movement of following vehicles in traffic systems, thereby significantly influencing the efficacy of eco-driving control that concentrates on vehicle speed optimization. To potentially mitigate the…

Systems and Control · Electrical Eng. & Systems 2023-06-19 Haoxuan Dong , Weichao Zhuang , Guoyuan Wu , Zhaojian Li , Guodong Yin , Ziyou Song

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

With the growing density of wireless networks and demand for multi-hop transmissions, precise delay Quality of Service (QoS) analysis has become a critical challenge. This paper introduces a multi-hop delay QoS analysis framework based on…

Information Theory · Computer Science 2025-04-17 Yuchao Dang , Xuefen Chi

The proliferation of cloud-native architectures, characterized by microservices and dynamic orchestration, has rendered modern IT infrastructures exceedingly complex and volatile. This complexity generates overwhelming volumes of…

Multiagent Systems · Computer Science 2026-04-29 Zishan Bai , Hanxuan Chen , Jing Luo , Ziyi Ni , Enze Ge , Jiacheng Shi , Yichao Zhang , Jiayi Gu , Zhimo Han , Riyang Bao , Junfeng Hao

This paper investigates joint device identification, channel estimation, and signal detection for LEO satellite-enabled grant-free random access, where a multiple-input multipleoutput (MIMO) system with orthogonal time-frequency space…

Information Theory · Computer Science 2023-08-08 Boxiao Shen , Yongpeng Wu , Wenjun Zhang , Symeon Chatzinotas , Björn Ottersten

Orographic soaring can significantly extend the endurance of micro aerial vehicles (MAVs), but circling behavior, arising from control conflicts between the longitudinal and vertical axes, increases energy consumption and the risk of…

Robotics · Computer Science 2025-12-11 Sunyou Hwang , Christophe De Wagter , Bart Remes , Guido de Croon

In the Internet of Vehicles (IoV), Age of Information (AoI) has become a vital performance metric for evaluating the freshness of information in communication systems. Although many studies aim to minimize the average AoI of the system…

Information Theory · Computer Science 2025-06-23 Cui Zhang , Maoxin Ji , Qiong Wu , Pingyi Fan , Qiang Fan