31 citations · 82 across the 17 of their papers we have counts for
17 papers
WIP: Energy-Efficient LLM-Based Serving Cluster Formulation in Cell-Free Massive MIMO
Marcin Hoffmann, Paweł Kryszkiewicz
One way to increase the Energy Efficiency (EE) of 6G wireless networks is to utilize existing network infrastructure more efficiently. This can be achieved by introducing User-Cent…
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…
Large-scale wireless network management via Open-RAN Tandem Apps: Cell on/off switching use case
Paweł Kryszkiewicz, Łukasz Kułacz, Marcin Pakuła +5
With growing mobile-network complexity, management and optimization have become increasingly difficult. Centralized algorithms face high control-data overhead and computational loa…
Radio Environment Map for Energy-Efficient User-Centric Cell-Free M-MIMO Network
Marcin Hoffmann, Paweł Kryszkiewicz
This paper proposes a Radio Environment Map (REM) for energy-efficient (EE) serving cluster formulation in a user-centric cell-free network. By incorporating the location of the us…
Impact of Nonlinear Power Amplifier on Massive MIMO: Machine Learning Prediction Under Realistic Radio Channel
Marcin Hoffmann, Paweł Kryszkiewicz
M-MIMO is one of the crucial technologies for increasing spectral and energy efficiency of wireless networks. Most of the current works assume that M-MIMO arrays are equipped with…
An Open-RAN Testbed for Detecting and Mitigating Radio-Access Anomalies
Hanna Bogucka, Marcin Hoffmann, Paweł Kryszkiewicz +1
This paper presents the Open Radio Access Net-work (O-RAN) testbed for secure radio access. We discuss radio-originating attack detection and mitigation methods based on anomaly de…
Energy Saving and Traffic Steering Use Case and Testing by O-RAN RIC xApp/rApp Multi-vendor Interoperability
Arda Akman, Peyman Tehrani, Pablo Oliver +3
This paper discusses the use case of energy saving and traffic steering in O-RAN, the mechanism of multi-vendor interoperability to make it work and depict its test methodology.
O-RAN for Energy-Efficient Serving Cluster Formulation in User-Centric Cell-Free MMIMO
Marcin Hoffmann, Paweł Kryszkiewicz
The 6G Massive Multiple-Input Multiple-Output (MMIMO) networks can follow the so-called User-Centric Cell-Free (UCCF) architecture, where a single user is served by multiple Access…
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…
Why white noise is not enough? On using radio front-end models while designing 6G PHY
Pawel Kryszkiewicz, Pawel Sroka, Marcin Hoffmann +1
From generation to generation there are increasing requirements for wireless standards both in terms of spectral and energy efficiency. While up to now the layered wireless transce…
Beam Management Driven by Radio Environment Maps in O-RAN Architecture
Marcin Hoffmann, Pawel Kryszkiewicz
The Massive Multiple-Input Multiple-Output (M-MIMO) is considered as one of the key technologies in 5G, and future 6G networks. From the perspective of, e.g., channel estimation, e…
Signaling Storm Detection in IIoT Network based on the Open RAN Architecture
Marcin Hoffmann, Pawel Kryszkiewicz
The Industrial Internet of Things devices due to their low cost and complexity are exposed to being hacked and utilized to attack the network infrastructure causing a so-called Sig…
Radio Environment Map and Deep Q-Learning for 5G Dynamic Point Blanking
Marcin Hoffmann, Paweł Kryszkiewicz
Dynamic Point Blanking (DPB) is one of the Coordinated MultiPoint (CoMP) techniques, where some Base Stations (BSs) can be temporarily muted, e.g., to improve the cell-edge users 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…
Frequency Selection for Platoon Communications in Secondary Spectrum Using Radio Environment Maps
Marcin Hoffmann, Pawel Kryszkiewicz, Adrian Kliks
Platoon-based driving is an idea that vehicles follow each other at a close distance, in order to increase road throughput and fuel savings. This requires reliable wireless communi…
Similarity Measures for Location-Dependent MMIMO, 5G Base Stations On/Off Switching Using Radio Environment Map
Marcin Hoffmann, Paweł Kryszkiewicz
The Massive Multiple-Input Multiple-Output (MMIMO) technique together with Heterogeneous Network (Het-Net) deployment enables high throughput of 5G and beyond networks. However, a…
Increasing Energy Efficiency of Massive-MIMO Network via Base Stations Switching using Reinforcement Learning and Radio Environment Maps
Marcin Hoffmann, Pawel Kryszkiewicz, Adrian Kliks
Energy Efficiency (EE) is of high importance while considering Massive Multiple-Input Multiple-Output (M-MIMO) networks where base stations (BSs) are equipped with an antenna array…