7 citations · 23 across the 19 of their papers we have counts for
26 papers
Large-Scale AI in Telecom: Charting the Roadmap for Innovation, Scalability, and Enhanced Digital Experiences
Adnan Shahid, Adrian Kliks, Ahmed Al-Tahmeesschi +132
This white paper discusses the role of large-scale AI in the telecommunications industry, with a specific focus on the potential of generative AI to revolutionize network functions…
Using Large Language Models to Understand Telecom Standards
Athanasios Karapantelakis, Mukesh Thakur, Alexandros Nikou +6
The Third Generation Partnership Project (3GPP) has successfully introduced standards for global mobility. However, the volume and complexity of these standards has increased over…
A Survey on the Integration of Generative AI for Critical Thinking in Mobile Networks
Athanasios Karapantelakis, Alexandros Nikou, Ajay Kattepur +5
In the near future, mobile networks are expected to broaden their services and coverage to accommodate a larger user base and diverse user needs. Thus, they will increasingly rely…
Multi-agent transformer-accelerated RL for satisfaction of STL specifications
Albin Larsson Forsberg, Alexandros Nikou, Aneta Vulgarakis Feljan +1
One of the main challenges in multi-agent reinforcement learning is scalability as the number of agents increases. This issue is further exacerbated if the problem considered is te…
Multi-agent Reinforcement Learning with Graph Q-Networks for Antenna Tuning
Maxime Bouton, Jaeseong Jeong, Jose Outes +2
Future generations of mobile networks are expected to contain more and more antennas with growing complexity and more parameters. Optimizing these parameters is necessary for ensur…
Safe RAN control: A Symbolic Reinforcement Learning Approach
Alexandros Nikou, Anusha Mujumdar, Vaishnavi Sundararajan +2
In this paper, we present a Symbolic Reinforcement Learning (SRL) based architecture for safety control of Radio Access Network (RAN) applications. In particular, we provide a pure…
Symbolic Reinforcement Learning for Safe RAN Control
Alexandros Nikou, Anusha Mujumdar, Marin Orlic +1
In this paper, we demonstrate a Symbolic Reinforcement Learning (SRL) architecture for safe control in Radio Access Network (RAN) applications. In our automated tool, a user can se…
Machine Reasoning Explainability
Kristijonas Cyras, Ramamurthy Badrinath, Swarup Kumar Mohalik +5
As a field of AI, Machine Reasoning (MR) uses largely symbolic means to formalize and emulate abstract reasoning. Studies in early MR have notably started inquiries into Explainabl…
Robust Trajectory Tracking Control for Underactuated Autonomous Underwater Vehicles
Shahab Heshmati-alamdari, Alexandros Nikou, Dimos V. Dimarogonas
Motion control of underwater robotic vehicles is a demanding task with great challenges imposed by external disturbances, model uncertainties and constraints of the operating works…
Design and Experimental Validation of Tube-based MPC for Timed-constrained Robot Planning
Alexandros Nikou, Shahab Heshmati-alamdari, Dimos V. Dimarogonas
This paper deals with the design and experimental validation of a state-of-the art tube-based Model Predictive Control (MPC) for achieving time-constrained tasks. Given the uncerta…
A Tube-based MPC Scheme for Interaction Control of Underwater Vehicle Manipulator Systems
Alexandros Nikou, Christos K. Verginis, Dimos V. Dimarogonas
Over the last years, the development of Autonomous Underwater Vehicles (AUV) with attached robotic manipulators, the so-called Underwater Vehicle Manipulator System (UVMS), has gai…
Robust Tube-based Model Predictive Control for Time-constrained Robot Navigation
Alexandros Nikou, Dimos V. Dimarogonas
This paper deals with the problem of time-constrained navigation of a robot modeled by uncertain nonlinear non-affine dynamics in a bounded workspace of . Initially,…
Decentralized Tube-based Model Predictive Control of Uncertain Nonlinear Multi-Agent Systems
Alexandros Nikou, Dimos V. Dimarogonas
This paper addresses the problem of decentralized tube-based nonlinear Model Predictive Control (NMPC) for a class of uncertain nonlinear continuous-time multi-agent systems with a…
Robust Decentralized Navigation of Multi-Agent Systems with Collision Avoidance and Connectivity Maintenance Using Model Predictive Controllers
Alexandros Filotheou, Alexandros Nikou, Dimos V. Dimarogonas
This paper addresses the problem of navigation control of a general class of 2nd order uncertain nonlinear multi-agent systems in a bounded workspace, which is a subset of ,…
Communication-based Decentralized Cooperative Object Transportation Using Nonlinear Model Predictive Control
Christos K. Verginis, Alexandros Nikou, Dimos V. Dimarogonas
This paper addresses the problem of cooperative transportation of an object rigidly grasped by N robotic agents. We propose a Nonlinear Model Predictive Control (NMPC) scheme that…
Robust Formation Control in SE(3) for Tree-Graph Structures with Prescribed Transient and Steady State Performance
Christos K. Verginis, Alexandros Nikou, Dimos V. Dimarogonas
This paper presents a novel control protocol for distance and orientation formation control of rigid bodies, whose sensing graph is a static and undirected tree, in the special Euc…
On the Timed Temporal Logic Planning of Coupled Multi-Agent Systems
Alexandros Nikou, Dimitris Boskos, Jana Tumova +1
This paper presents a fully automated procedure for controller synthesis for multi-agent systems under coupling constraints. Each agent is modeled with dynamics consisting of two t…
Decentralized Control of Uncertain Multi-Agent Systems with Connectivity Maintenance and Collision Avoidance
Alexandros Filotheou, Alexandros Nikou, Dimos V. Dimarogonas
This paper addresses the problem of navigation control of a general class of uncertain nonlinear multi-agent systems in a bounded workspace of with static obstacles.…
Probabilistic Plan Synthesis for Coupled Multi-Agent Systems
Alexandros Nikou, Jana Tumova, Dimos V. Dimarogonas
This paper presents a fully automated procedure for controller synthesis for multi-agent systems under the presence of uncertainties. We model the motion of each of the agents…
Decentralized Abstractions and Timed Constrained Planning of a General Class of Coupled Multi-Agent Systems
Alexandros Nikou, Shahab Heshmati-alamdari, Christos Verginis +1
This paper presents a fully automated procedure for controller synthesis for a general class of multi-agent systems under coupling constraints. Each agent is modeled with dynamics…
Control Synthesis for Multi-Agent Systems under Metric Interval Temporal Logic Specifications
Sofie Andersson, Alexandros Nikou, Dimos V. Dimarogonas
This paper presents a framework for automatic synthesis of a control sequence for multi-agent systems governed by continuous linear dynamics under timed constraints. First, the mot…
A Robust Force Control Approach for Underwater Vehicle Manipulator Systems
Shahab Heshmati-alamdari, Alexandros Nikou, Kostas J. Kyriakopoulos +1
In various interaction tasks using Underwater Vehicle Manipulator Systems (UVMSs) (e.g. sampling of the sea organisms, underwater welding), important factors such as: i) uncertaint…
Robust Distance-Based Formation Control of Multiple Rigid Bodies with Orientation Alignment
Alexandros Nikou, Christos K. Verginis, Dimos V. Dimarogonas
This paper addresses the problem of distance- and orientation-based formation control of a class of second-order nonlinear multi-agent systems in 3D space, under static and undirec…
Cooperative Planning for Coupled Multi-Agent Systems under Timed Temporal Specifications
Alexandros Nikou, Dimitris Boskos, Jana Tumova +1
This paper presents a fully automated procedure for controller synthesis for multi-agent systems under coupled constraints. Each agent has dynamics consisting of two terms: the fir…