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Cooperative pathfinding is a problem of finding a set of non-conflicting trajectories for a number of mobile agents. Its applications include planning for teams of mobile robots, such as autonomous aircrafts, cars, or underwater vehicles.…

Robotics · Computer Science 2013-02-13 Michal Čáp , Peter Novák , Jiří Vokřínek , Michal Pěchouček

Autonomous exploration of unknown environments using a team of mobile robots demands distributed perception and planning strategies to enable efficient and scalable performance. Ideally, each robot should update its map and plan its motion…

Robotics · Computer Science 2024-05-07 Arash Asgharivaskasi , Fritz Girke , Nikolay Atanasov

Millimeter Wave Radar is being adopted as a viable alternative to lidar and radar in adverse visually degraded conditions, such as the presence of fog and dust. However, this sensor modality suffers from severe sparsity and noise under…

Robotics · Computer Science 2023-10-23 Ajay Narasimha Mopidevi , Kyle Harlow , Christoffer Heckman

Millimeter-wave (mmWave) MIMO with large antenna array has attracted considerable interests from academic and industry communities, as it can provide larger bandwidth and higher spectrum efficiency. However, with hundreds of antennas, the…

Information Theory · Computer Science 2024-10-30 Xinyu Gao , Linglong Dai , Akbar M. Sayeed

Multirobot systems for covering environments are increasingly used in applications like cleaning, industrial inspection, patrolling, and precision agriculture. The problem of covering a given environment using multiple robots can be…

Multiagent Systems · Computer Science 2020-01-10 Mirko Salaris , Alessandro Riva , Francesco Amigoni

Radio maps find numerous applications in wireless communications and mobile robotics tasks, including resource allocation, interference coordination, and mission planning. Although numerous techniques have been proposed to construct radio…

Signal Processing · Electrical Eng. & Systems 2022-01-14 Raju Shrestha , Daniel Romero , Sundeep Prabhakar Chepuri

Unmanned Aerial Vehicles (UAVs) have been extensively utilized to provide wireless connectivity in rural and under-developed areas, enhance network capacity and provide support for peaks or unexpected surges in user demand, mainly due to…

Networking and Internet Architecture · Computer Science 2020-10-01 Anousheh Gholami , Nariman Torkzaban , John S. Baras , Chrysa Papagianni

Future vehicular communication networks call for new solutions to support their capacity demands, by leveraging the potential of the millimeter-wave (mm-wave) spectrum. Mobility, in particular, poses severe challenges in their design, and…

Information Theory · Computer Science 2018-04-27 Maria Scalabrin , Nicolò Michelusi , Michele Rossi

In this paper, we consider the channel estimation problem in Millimeter wave (mmWave) wireless systems with large antenna arrays. By exploiting the inherent sparse nature of the mmWave channel, we develop a novel rate-adaptive channel…

Information Theory · Computer Science 2016-09-12 Matthew Kokshoorn , He Chen , Yonghui Li , Branka Vucetic

Multi-Robot Path Planning (MRPP) on graphs, equivalently known as Multi-Agent Path Finding (MAPF), is a well-established NP-hard problem with critically important applications. As serial computation in (near)-optimally solving MRPP…

Robotics · Computer Science 2024-03-19 Teng Guo , Jingjin Yu

Millimeter Waves (mmWave) systems have the potential of enabling multi-gigabit-per-second communications in future Intelligent Transportation Systems (ITSs). Unfortunately, because of the increased vehicular mobility, they require frequent…

Networking and Internet Architecture · Computer Science 2022-09-05 Ioannis Mavromatis , Andrea Tassi , Robert J. Piechocki , Andrew Nix

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

Information Theory · Computer Science 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

Communication and video capture from unmanned aerial vehicles (UAVs) offer significant potential for assisting first responders in remote public safety settings. In such uses, millimeter wave (mmWave) wireless links can provide high…

Signal Processing · Electrical Eng. & Systems 2020-05-15 William Xia , Michele Polese , Marco Mezzavilla , Giuseppe Loianno , Sundeep Rangan , Michele Zorzi

Communication systems at millimeter-wave (mmW) and sub-terahertz frequencies are of increasing interest for future high-data rate networks. One critical challenge faced by phased array systems at these high frequencies is the efficiency of…

Signal Processing · Electrical Eng. & Systems 2022-02-18 Benjamin W. Domae , Ruifu Li , Danijela Cabric

Stringent line-of-sight demands necessitated by the fast attenuating nature of millimeter waves (mmWaves) through obstacles pose one of the central problems of next generation wireless networks. These mmWave links are easily disrupted due…

Networking and Internet Architecture · Computer Science 2023-07-13 Rathindra Nath Dutta , Subhojit Sarkar , Sasthi C. Ghosh

The ability to traverse an unknown environment is crucial for autonomous robot operations. However, due to the limited sensing capabilities and system constraints, approaching this problem with a single robot agent can be slow, costly, and…

Robotics · Computer Science 2024-06-13 Friedrich M. Rockenbauer , Jaeyoung Lim , Marcus G. Müller , Roland Siegwart , Lukas Schmid

Multi-Agent Motion Planning (MAMP) is a problem that seeks collision-free dynamically-feasible trajectories for multiple moving agents in a known environment while minimizing their travel time. MAMP is closely related to the well-studied…

Robotics · Computer Science 2024-03-12 Jingtian Yan , Jiaoyang Li

Multi-agent pathfinding (MAPF) is the problem of finding a set of conflict-free paths for a set of agents. Typically, the agents' moves are limited to a pre-defined graph of possible locations and allowed transitions between them, e.g. a…

Artificial Intelligence · Computer Science 2024-09-02 Konstantin Yakovlev , Anton Andreychuk , Roni Stern

We address the challenge of multi-robot autonomous hazard mapping in high-risk, failure-prone, communication-denied environments such as post-disaster zones, underground mines, caves, and planetary surfaces. In these missions, robots must…

Robotics · Computer Science 2025-08-07 Alkesh K. Srivastava , Aamodh Suresh , Carlos Nieto-Granda

Small scale fading makes the wireless channel gain vary significantly over small distances and in the context of classical communication systems it can be detrimental to performance. But in the context of mobile robot (MR) wireless…

Robotics · Computer Science 2018-05-22 Daniel Bonilla Licea , Des McLernon , Mounir Ghogho , Edmond Nurellari , Syed Ali Raza Zaidiz