no code implementations • 2 Apr 2024 • Yuzhen Ke, Zoran Utkovski, Mehdi Heshmati, Osvaldo Simeone, Johannes Dommel, Slawomir Stanczak
An important use case of next-generation wireless systems is device-edge co-inference, where a semantic task is partitioned between a device and an edge server.
no code implementations • 31 Aug 2023 • Mariam Yahya, Setareh Maghsudi, Slawomir Stanczak
We then develop a model and solution based on the multi-objective multi-armed bandit theory to maximize the network coverage while minimizing the FL delay.
no code implementations • 10 May 2023 • Ehsan Tohidi, Robert Stoecker, Julia-Marie Koeszegi, Slawomir Stanczak
Reflecting intelligent surface (RIS) has emerged as a promising technology for enhancing wireless communication performance and enabling new applications in 6G networks with potentially low energy consumption and hardware complexity thanks to their passive nature.
no code implementations • 5 May 2023 • Ehsan Tohidi, Sven Haesloop, Lars Thiele, Slawomir Stanczak
More specifically, locations, which determine whether BS-IRS and IRS-UE line of sight (LOS) links exist, and surface orientation, which determines whether the BS and UE are within the field of view (FoV) of the surface, play crucial roles in the quality of provided coverage.
no code implementations • 27 Apr 2023 • Patrick Agostini, Zoran Utkovski, Slawomir Stanczak
The detection step is followed by a per-user soft-input-soft-output (SISO) decoding of the outer channel code in combination with a successive interference cancellation (SIC) step.
no code implementations • 14 Apr 2023 • Renato Luis Garrido Cavalcante, Lorenzo Miretti, Slawomir Stanczak
We establish necessary and sufficient conditions for a network configuration to provide utilities that are both fair and efficient in a well-defined sense.
no code implementations • 23 Feb 2023 • Alexandros Palaios, Christian L. Vielhaus, Daniel F. Külzer, Cara Watermann, Rodrigo Hernangomez, Sanket Partani, Philipp Geuer, Anton Krause, Raja Sattiraju, Martin Kasparick, Gerhard Fettweis, Frank H. P. Fitzek, Hans D. Schotten, Slawomir Stanczak
This proactive behavior of the network can be leveraged to sustain, for example, a specific quality of service requirement.
Explainable Artificial Intelligence (XAI) Feature Engineering
no code implementations • 24 Nov 2022 • Yasaman Abdollahian, Ehsan Tohidi, Martin Kasparick, Li Wang, Ahmet Hasim Gokceoglu, Slawomir Stanczak
Due to the non-convexity of this problem, we propose machine learning-based methods for RA antenna mode selection in both dynamic and static scenarios.
no code implementations • 12 Jul 2022 • M. Hossein Attar, Omid Taghizadeh, Kaxin Chang, Ramez Askar, Matthias Mehlhose, Slawomir Stanczak
This paper presents a kernel-based adaptive filter that is applied for the digital domain self-interference cancellation (SIC) in a transceiver operating in full-duplex (FD) mode.
no code implementations • 19 May 2022 • Navneet Agrawal, Yuqin Qiu, Matthias Frey, Igor Bjelakovic, Setareh Maghsudi, Slawomir Stanczak, Jingge Zhu
Lagrange coded computation (LCC) is essential to solving problems about matrix polynomials in a coded distributed fashion; nevertheless, it can only solve the problems that are representable as matrix polynomials.
no code implementations • 9 Mar 2022 • Rodrigo Hernangomez, Igor Bjelakovic, Lorenzo Servadei, Slawomir Stanczak
Commercial radar sensing is gaining relevance and machine learning algorithms constitute one of the key components that are enabling the spread of this radio technology into areas like surveillance or healthcare.
no code implementations • 2 Mar 2022 • Jochen Fink, Renato L. G. Cavalcante, Slawomir Stanczak
In this paper, we show that the adaptive projected subgradient method (APSM) is bounded perturbation resilient.
no code implementations • 17 Feb 2022 • Barış Göktepe, Cornelius Hellge, Thomas Schierl, Slawomir Stanczak
Compared to regular HARQ, the DA2SGMM reduces the maximum transmission latency by more than 72. 4 %, while maintaining more than 75 % of the throughput in the no-blockage scenario.
no code implementations • 13 Jul 2021 • Hammad Zafar, Zoran Utkovski, Martin Kasparick, Slawomir Stanczak
This paper addresses the problem of decentralized spectrum sharing in vehicle-to-everything (V2X) communication networks.
no code implementations • 21 Mar 2021 • Daniyal Amir Awan, Renato L. G. Cavalcante, Slawomir Stanczak
Learning of the cell-load in radio access networks (RANs) has to be performed within a short time period.
no code implementations • 21 Mar 2021 • Daniyal Amir Awan, Renato L. G. Cavalcante, Zoran Utkovski, Slawomir Stanczak
Cloud-radio access network (C-RAN) can enable cell-less operation by connecting distributed remote radio heads (RRHs) via fronthaul links to a powerful central unit.
no code implementations • 23 Feb 2021 • Jochen Fink, Renato L. G. Cavalcante, Slawomir Stanczak
We formulate a convex relaxation of the problem as a semidefinite program in a real Hilbert space, which allows us to approximate a point in the feasible set by iteratively applying a bounded perturbation resilient fixed-point mapping.
no code implementations • 12 Jun 2020 • Renato Luis Garrido Cavalcante, Slawomir Stanczak
We propose a novel algorithm to estimate the channel covariance matrix of a desired user in multiuser massive MIMO systems.
no code implementations • 11 Nov 2019 • Matthias Mehlhose, Daniyal Amir Awany, Renato L. G. Cavalcante, Martin Kurras, Slawomir Stanczak
As an alternative to conventional methods, this paper proposes and demonstrates a low-complexity practical Machine Learning (ML) based receiver that achieves similar (and at times better) performance to the SIC receiver.
no code implementations • 15 Mar 2018 • Renato L. G. Cavalcante, Slawomir Stanczak
To address this limitation of existing approaches, we show in this study that the spectral radii of asymptotic mappings can be used to identify an important subclass of contractive mappings and also to estimate their moduli of contraction.
no code implementations • 1 Nov 2017 • Daniyal Amir Awan, Renato L. G. Cavalcante, Masahiro Yukawa, Slawomir Stanczak
We propose a novel online learning based detection for the NOMA uplink.
1 code implementation • 4 Sep 2017 • Steffen Limmer, Slawomir Stanczak
Owing to the specific structure, it is shown that the centroid can be computed analytically by extending a recent result that facilitates the volume computation of polytopes via Laplace transformations.
no code implementations • 28 Aug 2017 • Wojciech Samek, Slawomir Stanczak, Thomas Wiegand
The areas of machine learning and communication technology are converging.
no code implementations • 3 Apr 2014 • Martin Kasparick, Renato L. G. Cavalcante, Stefan Valentin, Slawomir Stanczak, Masahiro Yukawa
In this paper, we address the problem of reconstructing coverage maps from path-loss measurements in cellular networks.