Aktuelle Publikationen

November 2025

Robust and Efficient Kernel-Based Digital Self-Interference Cancellation Using a Priori Knowledge in Full-Duplex Transceivers

Mohammad Hossein Attar, Slawomir Stanczak, Ramez Askar, Jochen Fink

An enhanced digital self-interference cancellation technique for in-band full-duplex (FD) wireless communications, focusing on overcoming challenges from nonlinear distortions. The method uses a kernelized adaptive projected subgradient method...


November 2025

Split-Inference Architecture for Device-Centric Radio Sensing in a Networked Robotics Scenario

Mehdi Heshmati, Slawomir Stanczak, Michael Peter, Ramez Askar, Zoran Utkovski, Sven Wittig, Yuzhen Ke, Kenan Turbic

An architecture for neuromorphic device-edge co-inference, with application to radio sensing for environment mapping in networked robotics scenarios. The developed demonstration setup integrates a radar sensor, radar preprocessing unit and...


November 2025

Ad-hoc hybrid-heterogeneous metropolitan-range quantum key distribution network

Jan Krause, et al., Matthias Goy

This paper presents the development and implementation of a versatile ad-hoc metropolitan-range quantum key distribution (QKD) network. The approach presented integrates various types of physical channels and QKD protocols, and a mix of trusted...


November 2025

Network data sharing: a governance framework for ensuring data sovereignty and privacy compliance

Angela Mitrovska, Ronald Freund, Johannes Fischer, Mohammad Behnam Shariati, Pooyan Safari, Aydin Jafari

The telecommunications industry is undergoing a paradigm shift toward open, disaggregated, and automated networks, necessitating a secure, regulated, and sovereign approach to telemetry data sharing among stakeholders. This paper introduces a...


November 2025

Impact of Dispersion Slope on High-Symbol-Rate Coherent Transceivers

Juan Lautaro Moreno Morrone, Colja Schubert, Carsten Schmidt-Langhorst, Robert Emmerich, Ogulcan Erdogan, Laurenz Ebner

Next generation coherent transceivers are expected to offer capacities of 1600 Gbps per wavelength, potentially requiring single-carrier symbol rates of 240 GBd or more. The analysis of higher order physical layer effects at these elevated symbol...


November 2025

CISSIR: Beam Codebooks with Self-Interference Reduction Guarantees for Integrated Sensing and Communication Beyond 5G

Rodrigo Hernangómez, Slawomir Stanczak, Renato L. G. Cavalcante, Jochen Fink

We have extended current 5G beamforming to reduce self-interference for integrated sensing and communication. Our principled beam codebook design follows novel analytical bounds to guarantee sensing performance alongside broadband...


November 2025

D-Band Dielectric Lens Antenna: Emulated Linear Array Superposition Measurements for Performance Analysis

Vitor Carvalho De Almeida, Wilhelm Keusgen, Michael Peter, Ramez Askar, Jaehoon Chung, Woo Cheol Choi

Dielectric lens characterization in sub-THz frequencies requires not only high precision positioning of the feed antenna, but also the possibility to select multiple relative positions between the lens and the feed, especially in the case of...


Oktober 2025

Real-time Fusion of Stereo Vision and Hyperspectral Imaging for Objective Decision Support during Surgery

Eric Wisotzky, Peter Eisert, Anna Hilsmann, Brigitta Globke, Michael Knoke, Jost Triller

We present a real-time stereo hyperspectral imaging system that combines 3D reconstruction with spectral tissue analysis, enabling live visualization of oxygenation and tissue composition during surgery.


Oktober 2025

Live Demonstration of Modulation Format Identification Using a Photonic Neural Network

Guillermo von Hünefeld, Colja Schubert, Ronald Freund, Pooyan Safari, Rijil Thomas, Enes Seker, Stephan Suckow, Max Lemme, David Stahl, Mahdi Kaveh, Mahtab Aghaeipour Kolyani, Joseph Hopfmüller, Johannes Karl Fischer

We demonstrate modulation format identification on a micro ROADM ring using a photonic neural network with low-speed photodiodes.


Oktober 2025

Design and Validation of a Time Domain Correlation based Channel Sounder up to 500 GHz

Alper Schultze, Wilhelm Keusgen, Michael Peter, Ramez Askar, Mathis Schmieder, Sven Wittig, Anton Dilg

In this paper, we introduce a novel time domain correlation based channel sounder that operates at 485 GHz.


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