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Air transportation is undergoing a rapid evolution globally with the introduction of Advanced Air Mobility (AAM) and with it comes novel challenges and opportunities for transforming aviation. As AAM operations introduce increasing…

人工智能 · 计算机科学 2024-07-02 Luis E. Alvarez , Marc W. Brittain , Steven D. Young

In this paper, we address the channel access problem in a dynamic wireless environment via meta-reinforcement learning. Spectrum is a scarce resource in wireless communications, especially with the dramatic increase in the number of devices…

网络与互联网体系结构 · 计算机科学 2022-01-25 Ziyang Lu , M. Cenk Gursoy

Mobile users are prone to experience beam failure due to beam drifting in millimeter wave (mmWave) communications. Sensing can help alleviate beam drifting with timely beam changes and low overhead since it does not need user feedback. This…

信号处理 · 电气工程与系统科学 2025-05-12 Xiyu Wang , Gilberto Berardinelli , Hei Victor Cheng , Petar Popovski , Ramoni Adeogun

Multi-robot navigation is a challenging task in which multiple robots must be coordinated simultaneously within dynamic environments. We apply deep reinforcement learning (DRL) to learn a decentralized end-to-end policy which maps raw…

机器人学 · 计算机科学 2022-09-08 Christian Jestel , Hartmut Surmann , Jonas Stenzel , Oliver Urbann , Marius Brehler

This research proposes a new integrated framework for identifying safe landing locations and planning in-flight divert maneuvers. The state-of-the-art algorithms for landing zone selection utilize local terrain features such as slopes and…

机器人学 · 计算机科学 2021-02-25 Keidai Iiyama , Kento Tomita , Bhavi A. Jagatia , Tatsuwaki Nakagawa , Koki Ho

Unmanned aerial vehicles (UAVs) can enhance the performance of cellular networks, due to their high mobility and efficient deployment. In this paper, we present a first study on how the user mobility affects the UAVs' trajectories of a…

信息论 · 计算机科学 2020-01-01 Yao Tang , Man Hon Cheung , Tat-Ming Lok

This report investigates the application of deep reinforcement learning (DRL) algorithms for dynamic resource allocation in wireless communication systems. An environment that includes a base station, multiple antennas, and user equipment…

分布式、并行与集群计算 · 计算机科学 2025-03-14 Shubham Malhotra , Fnu Yashu , Muhammad Saqib , Dipkumar Mehta , Jagdish Jangid , Sachin Dixit

Intelligent reflecting surface (IRS) is a promising technology to assist downlink information transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we minimize the AP's transmit power by a joint optimization of…

信号处理 · 电气工程与系统科学 2020-05-26 Jiaye Lin , Yuze Zou , Xiaoru Dong , Shimin Gong , Dinh Thai Hoang , Dusit Niyato

As an alternative solution for quick disaster recovery of backhaul/fronthaul links, in this paper, a dynamic unmanned aerial vehicles (UAV)-assisted heterogeneous (HetNet) network equipped with directional terahertz (THz) antennas is…

信号处理 · 电气工程与系统科学 2023-08-16 Mohammad Taghi Dabiri , Mazen Hasna

Collision-free motion is essential for mobile robots. Most approaches to collision-free and efficient navigation with wheeled robots require parameter tuning by experts to obtain good navigation behavior. This study investigates the…

机器人学 · 计算机科学 2024-08-08 Hamid Taheri , Seyed Rasoul Hosseini , Mohammad Ali Nekoui

Recently, the reconfigurable intelligent surface (RIS), benefited from the breakthrough on the fabrication of programmable meta-material, has been speculated as one of the key enabling technologies for the future six generation (6G)…

信息论 · 计算机科学 2022-06-23 Chongwen Huang , Ronghong Mo , Chau Yuen

Collision avoidance is a crucial task in vision-guided autonomous navigation. Solutions based on deep reinforcement learning (DRL) has become increasingly popular. In this work, we proposed several novel agent state and reward function…

机器人学 · 计算机科学 2022-10-13 Sirui Song , Kirk Saunders , Ye Yue , Jundong Liu

This work developed a meta-learning approach that adapts the control policy on the fly to different changing conditions for robust locomotion. The proposed method constantly updates the interaction model, samples feasible sequences of…

机器人学 · 计算机科学 2021-01-20 Timothée Anne , Jack Wilkinson , Zhibin Li

In this paper, we present our proposed approach for active tracking to increase the autonomy of Unmanned Aerial Vehicles (UAVs) using event cameras, low-energy imaging sensors that offer significant advantages in speed and dynamic range.…

机器人学 · 计算机科学 2024-10-22 Ala Souissi , Hajer Fradi , Panagiotis Papadakis

Autonomous navigation is an essential capability of smart mobility for mobile robots. Traditional methods must have the environment map to plan a collision-free path in workspace. Deep reinforcement learning (DRL) is a promising technique…

机器人学 · 计算机科学 2019-04-23 Liulong Ma , Yanjie Liu , Jiao Chen , Dong Jin

Reconfigurable intelligent surface (RIS)-assisted aerial non-terrestrial networks (NTNs) offer a promising paradigm for enhancing wireless communications in the era of 6G and beyond. By integrating RIS with aerial platforms such as unmanned…

信号处理 · 电气工程与系统科学 2024-12-30 Muhammad Umer , Muhammad Ahmed Mohsin , Aryan Kaushik , Qurrat-ul-Ain Nadeem , Ali Arshad Nasir , Syed Ali Hassan

Objective: This paper describes the development of hybrid artificial intelligence strategies for drone navigation. Methods: The navigation module combines a deep learning model with a rule-based engine depending on the agent state. The deep…

人工智能 · 计算机科学 2025-01-09 Rubén San-Segundo , Lucía Angulo , Manuel Gil-Martín , David Carramiñana , Ana M. Bernardos

This paper addresses the problem of autonomous task allocation by a swarm of autonomous, interactive drones in large-scale, dynamic spatio-temporal environments. When each drone independently determines navigation, sensing, and recharging…

机器人学 · 计算机科学 2025-11-13 Chuhao Qin , Evangelos Pournaras

In this paper, we investigate an unmanned aerial vehicle (UAV)-assisted Internet-of-Things (IoT) system in a sophisticated three-dimensional (3D) environment, where the UAV's trajectory is optimized to efficiently collect data from multiple…

信息论 · 计算机科学 2022-01-20 Yang Wang , Zhen Gao , Jun Zhang , Xianbin Cao , Dezhi Zheng , Yue Gao , Derrick Wing Kwan Ng , Marco Di Renzo

In this paper, we study a joint detection, mapping and navigation problem for a single unmanned aerial vehicle (UAV) equipped with a low complexity radar and flying in an unknown environment. The goal is to optimize its trajectory with the…

机器人学 · 计算机科学 2020-07-23 Anna Guerra , Francesco Guidi , Davide Dardari , Petar M. Djuric