126 citations · 381 across the 39 of their papers we have counts for
32 papers · 1 filter
A Unified E2E Energy Efficiency Testing Framework for Open RAN
Marcin Hoffmann, Marcin Dryjański, Adrian Kliks +4
Energy efficiency (EE) is one of the key challenges for contemporary and future mobile networks, including within the Open Radio Access Network (O-RAN) architecture. However, there…
RIS-Aided Mobile Network Design
Adam Samorzewski, Adrian Kliks
In this paper, we examine the distribution of radio signal propagation within the city of Poznan (Poland) to determine optimal locations for deploying Reconfigurable Intelligent Su…
Predicting Conflict Impact on Performance in O-RAN
Pietro Brach del Prever, Niloofar Mohamadi, Salvatore D'Oro +7
The O-RAN Alliance promotes the integration of intelligent autonomous agents to control the Radio Access Network (RAN). This improves flexibility, performance, and observability in…
Communication Technologies for Intelligent Transportation Systems: From Railways to UAVs and Beyond
Shrief Rizkalla, Adrian Kliks, Nila Bagheri +25
This white paper aims to comprehensively analyze and consolidate the state of the art in communication technologies supporting modern and future Information and Communication Techn…
RIS-Measurements for Codebook Design
Paweł Hatka, Marcel Garczyk, Paweł Płaczkiewicz +3
Reconfigurable Intelligent Surfaces (RIS) have gained significant attention for some time. Thanks to the possibility of individual steering of each reflecting element of the boards…
Enhancing V2X Communications with UAV-mounted Reconfigurable Intelligent Surfaces
Salim Janji, Paweł Sroka, Adrian Kliks
This paper addresses the crucial need for reliable wireless communication in vehicular networks, particularly vital for the safety and efficacy of (semi-)autonomous driving amid in…
Indoor Localization Based on MSC Map
Łukasz Kułacz, Adrian Kliks, Julius Ruseckas +1
In this short paper, we propose a technique for AI-based identification of modulation and coding schemes (MCS) in surrounding cellular signals. Based on the created MCS map, we eva…
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…
Experimental evaluation of xApp Conflict Mitigation Framework in O-RAN: Insights from Testbed deployment in OTIC
Abida Sultana, Cezary Adamczyk, Mayukh Roy Chowdhury +2
Conflict Mitigation (CM) in Open Radio Access Network (O-RAN) is a topic that is gaining importance as commercial O-RAN deployments become more complex. Although research on CM is…
V2V Path Loss Modeling at 26 GHz Based on Real-Traffic Measurements
Pawel Kryszkiewicz, Adrian Kliks, Pawel Sroka +1
In this letter, we investigate single-slope path loss models complemented with shadowing effects in the context of vehicular communications. We present several models obtained base…
Integrating UAV-Enabled Base Stations in 3D Networks: QoS-Aware Joint Fronthaul and Backhaul Design
Salim Janji, Piotr Wawrzyniak, Piotr Formanowicz +1
The emerging concept of 3D networks, integrating terrestrial, aerial, and space layers, introduces a novel and complex structure characterized by stations relaying backhaul loads t…
5G Networks Supported by UAVs, RESs, and RISs
Adam Samorzewski, Adrian Kliks
This paper presents the examination of the 5G cellular network aware of Renewable Energy Sources (RESs) and supported by Reconfigurable Intelligent Surfaces (RISs) and Unmanned Aer…
Energy Consumption in RES-Aware 5G Networks
Adam Samorzewski, Margot Deruyck, Adrian Kliks
In this work, the impact of using Renewable Energy Source (RES) generators in next-generation (5G) cellular systems on total power consumption (PC) has been investigated. The paper…
Open RAN xApps Design and Evaluation: Lessons Learnt and Identified Challenges
Marcin Hoffmann, Salim Janji, Adam Samorzewski +6
Open Radio Access Networks (RAN) offer diverse economic opportunities. A transition to a flexible, modular approach within the disaggregated RAN framework is crucial, involving car…
Detection and mitigation of indirect conflicts between xApps in Open Radio Access Networks
Cezary Adamczyk, Adrian Kliks
In Open Radio Access Networks, the Conflict Mitigation component, which is part of the Near-RT RIC, aims to detect and resolve any conflicts between xApp decisions. In this paper,…
Conflict Mitigation Framework and Conflict Detection in O-RAN Near-RT RIC
Cezary Adamczyk, Adrian Kliks
The steady evolution of the Open RAN concept sheds light on xApps and their potential use cases in O-RANcompliant deployments. There are several areas where xApps can be used that…
Memory Enabled Bumblebee-based Dynamic Spectrum Access for Platooning Environments
Kuldeep S. Gill, Pawel Kryszkiewicz, Pawel Sroka +2
In this paper, we propose a novel memory-enabled non-uniform sampling-based bumblebee foraging algorithm (MEB) designed for optimal channel selection in a distributed Vehicular Dyn…
Path Loss and Shadowing Modeling for Vehicle-to-Vehicle Communications in Terrestrial TV Band
Pawel Kryszkiewicz, Pawel Sroka, Michal Sybis +1
Vehicle platooning is considered as one of the key use cases for vehicle-to-vehicle (V2V) communications. However, its benefits can be realized only with highly reliable wireless t…
Federated Learning-Based Interference Modeling for Vehicular Dynamic Spectrum Access
Marcin Hoffmann, Pawel Kryszkiewicz, Adrian Kliks
A platoon-based driving is a technology allowing vehicles to follow each other at close distances to, e.g., save fuel. However, it requires reliable wireless communications to adju…
Energy-efficient User Clustering for UAV-enabled Wireless Networks Using EM Algorithm
Salim Janji, Adrian Kliks
Unmanned Aerial Vehicles (UAVs) can be used to provide wireless connectivity to support the existing infrastructure in hot-spots or replace it in cases of destruction. UAV-enabled…
On the Placement and Sustainability of Drone FSO Backhaul Relays
Salim Janji, Adam Samorzewski, Małgorzata Wasilewska +1
We consider free-space optical (FSO) communication links for the backhaul connectivity of small cells (SCs) where a UAV with an FSO apparatus can serve as a backhaul relay node. We…
Distributed Learning for Vehicular Dynamic Spectrum Access in Autonomous Driving
Pawe\{l} Sroka, Adrian Kliks
Reliable wireless communication between the autonomously driving cars is one of the fundamental needs for guaranteeing passenger safety and comfort. However, when the number of com…
Radio Environment Maps for Dynamic Frequency Selection in V2X Communications
Paweł Sroka, Paweł Kryszkiewicz, Adrian Kliks
In this paper, we investigate the concept of database supported Vehicular Dynamic Spectrum Access (VDSA) for platooning. As various researchers show that the 5.9 GHz band, devoted…
Distributed Vehicular Dynamic Spectrum Access for Platooning Environments
Paweł Sroka, Paweł Kryszkiewicz, Michał Sybis +3
In this paper, we propose a distributed Vehicular Dynamic Spectrum Access (VDSA) framework for vehicles operating in platoon formations. Given the potential for significant congest…