26 citations · 50 across the 15 of their papers we have counts for
17 papers
Hardware-Efficient Cognitive Radar: Multi-Target Detection with RL-Driven Transmissive RIS
Adam Umra, Aya Mostafa Ahmed, Stefan Roth +1
Cognitive radar has emerged as a key paradigm for next-generation sensing, enabling adaptive, intelligent operation in dynamic and complex environments. Yet, conventional cognitive…
Anomaly Detection for Sensing Security
Stefan Roth, Aydin Sezgin
Various approaches in the field of physical layer security involve anomaly detection, such as physical layer authentication, sensing attacks, and anti-tampering solutions. Dependin…
Covertness in the Near Field: Maximizing the Covert Region with FDA
Fatemeh Lotfi, Stefan Roth, Anas Chaaban +1
Covert communication in wireless networks ensures that transmissions remain undetectable to adversaries, making it a potential enabler for privacy and security in sensitive applica…
A Structural Analysis of the User Behavior Dynamics for Environmentally Sustainable ICT
Stefan Roth, Aydin Sezgin
The sector of information and communication technology (ICT) can contribute to the fulfillment of the Paris agreement and the sustainable development goals (SDGs) through the intro…
Spatial-Domain Wireless Jamming with Reconfigurable Intelligent Surfaces
Philipp Mackensen, Paul Staat, Stefan Roth +3
Wireless communication infrastructure is a cornerstone of modern digital society, yet it remains vulnerable to the persistent threat of wireless jamming. Attackers can easily creat…
Enhancing the Secrecy Rate with Direction-range Focusing with FDA and RIS
Chu Li, Stefan Roth, Aydin Sezgin
One of the great potentials to improve the confidentiality in mmWave/THz at the physical layer of technical communication, measured by the secrecy rate, lies in the use of reconfig…
EMF-Constrained Artificial Noise for Secrecy Rates with Stochastic Eavesdropper Channels
Stefan Roth, Aydin Sezgin
An information-theoretic confidential communication is achievable if the eavesdropper has a degraded channel compared to the legitimate receiver. In wireless channels, beamforming…
Integrated Communication and Control Systems: A Data Significance Perspective
Stefan Roth, Yasemin Karacora, Christina Chaccour +2
The interconnected smart devices and industrial internet of things devices require low-latency communication to fulfill control objectives despite limited resources. In essence, su…
Optimizing the Age of Information in Mixed-Critical Wireless Communication Networks
Robert-Jeron Reifert, Stefan Roth, Aydin Sezgin
Beyond fifth generation wireless communication networks (B5G) are applied in many use-cases, such as industrial control systems, smart public transport, and power grids. Those appl…
Approximation-based Threshold Optimization from Single Antenna to Massive SIMO Authentication
Stefan Roth, Aydin Sezgin, Roman Bessel +1
In a wireless sensor network, data from various sensors are gathered to estimate the system-state of the process system. However, adversaries aim at distorting the system-state est…
Comeback Kid: Resilience for Mixed-Critical Wireless Network Resource Management
Robert-Jeron Reifert, Stefan Roth, Alaa Alameer Ahmad +1
The future sixth generation (6G) of communication systems is envisioned to provide numerous applications in safety-critical contexts, e.g., driverless traffic, modular industry, an…
Energy Efficiency in Rate-Splitting Multiple Access with Mixed Criticality
Robert-Jeron Reifert, Stefan Roth, Alaa Alameer Ahmad +1
Future sixth generation (6G) wireless communication networks face the need to similarly meet unprecedented quality of service (QoS) demands while also providing a larger energy eff…
IRShield: A Countermeasure Against Adversarial Physical-Layer Wireless Sensing
Paul Staat, Simon Mulzer, Stefan Roth +5
Wireless radio channels are known to contain information about the surrounding propagation environment, which can be extracted using established wireless sensing methods. Thus, tod…
Localization Attack by Precoder Feedback Overhearing in 5G Networks and Countermeasures
Stefan Roth, Stefano Tomasin, Marco Maso +1
In fifth-generation (5G) cellular networks, users feed back to the base station the index of the precoder (from a codebook) to be used for downlink transmission. The precoder is st…
Remote Short Blocklength Process Monitoring: Trade-off Between Resolution and Data Freshness
Stefan Roth, Ahmed Arafa, H. Vincent Poor +1
In cyber-physical systems, as in 5G and beyond, multiple physical processes require timely online monitoring at a remote device. There, the received information is used to estimate…
Base-Stations Up in the Air: Multi-UAV Trajectory Control for Min-Rate Maximization in Uplink C-RAN
Stefan Roth, Ali Kariminezhad, Aydin Sezgin
In this paper we study the impact of unmanned aerial vehicles (UAVs) trajectories on terrestrial users' spectral efficiency (SE). Assuming a strong line of sight path to the users,…
On The Efficiency of Widely Linear Precoding and Symbol Extension in Cellular Uplink
Ali Kariminezhad, Stefan Roth, Aydin Sezgin +1
We investigate Gaussian widely linear precoding known as improper Gaussian signaling for the cellular uplink with inter-cell interference, known as interference multiple access cha…