Recent publications

December 2025

Adaptive Change-Point Detection in S-RISnet-Assisted Wireless Networks

Sida Dai, Slawomir Stanczak, Eduard Jorswieck, Setareh Maghsudi, Ehsan Tohidi, Bile Peng

This paper proposes Adaptive S-RISNet, a scalable RIS configuration framework that leverages statistical CSI and change-point detection to update phase shifts only when necessary. The method achieves near-optimal performance while drastically...


December 2025

Short Range Optical Wireless Communication at 67.8 Gbit/s using a Multiaperture VCSEL

Matthias Koepp, Volker Jungnickel, Ronald Freund, Christoph Kottke, Nikolai N. Ledentsov, Oleg Yu Makarov

We demonstrate a point-to-point optical wireless communication link for fixed wireless access scenarios using a multiaperture VCSEL. At 5 meters distance, a record net data rate of 67.8 Gbit/s is reached after LDPC FEC.


December 2025

Catalytically active plate heat exchanger for flexible hydrogen release from perhydro benzyltoluene

Phillip Nathrath, Eike Hübner, Peter Wasserscheid, P. Schüle

A catalytic plate reactor derived from the design of conventional plate heat exchangers was used for the continuous and dynamic dehydrogenation of perhydro benzyltoluene, a LOHC. The surface of heat exchanger plates has been catalytically...


December 2025

Software for dataset-wide XAI: From local explanations to global insights with Zennit, CoRelAy, and ViRelAy

Christopher J. Anders, Klaus-Robert Müller, Wojciech Samek, Sebastian Lapuschkin, David Neumann

The predictive capabilities of Deep Neural Networks (DNNs) are well-established, yet the underlying mechanisms driving these predictions often remain opaque. The advent of Explainable Artificial Intelligence (XAI) has introduced novel...


December 2025

LLM Assistant for TAPI Context and Client Code Translation

Aydin Jafari, Johannes Fischer, Achim Autenrieth, Mohammad Behnam Shariati, Pooyan Safari, Hussein Zaid, Vignesh Karunakaran, Philomena Moek, Ramon Casellas

This paper presents an LLM-based mediator for disaggregated optical networks, designed to address inconsistencies in TAPI interpretation and generation. By integrating TAPI-YANG models, shared TAPI context, and advanced prompting, it enables a...


December 2025

Leveraging Shared Data and Models for ML-Based QoT Estimation: Toward Standardized and Generalizable Models

Hassan Akbari, Ronald Freund, Johannes Fischer, Mohammad Behnam Shariati, Pooyan Safari, Angela Mitrovska, Stephan Pachnicke, Xiao Ma, Jasper Müller

This work presents the first study of a machine learning-based quality-of-transmission (QoT) estimator using synthetic and experimental datasets from four different organizations, including live network data. It investigates the feasibility of a...


December 2025

Introducing AI practitioners to international standards through online competitions

Lorenzo Nava, Monique Kuglitsch, Arif Albayrak, Andrea Toreti, Elena Xoplaki, Stefan Uhlenbrook, Raffaele Albano, Katharina Weitz, Jennifer Selby, Amy Bray, Paul Kennedy, Joel Lontsi, Megan Yates, Ahmed Tambal, Ahmed Ilmane, Andrea Manara, Thomas Basikolo, Chester Karwatowski, Rakiya Babamaaji, Silvia Garcia, Pierre-Philippe Mathieu, Filippo Catani

This Comment analyzes a global online landslide classification challenge to examine whether AI competitions can help participants engage with international standards. The results show that while technical innovation was strong, awareness of...


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

Sub-THz MIMO Hybrid Beamforming: D-Band Dual-Channel Analog Beamforming Front-Ends Prototyping

Ramez Askar, Thomas Haustein, Michael Peter, Jaehoon Chung, Axel Tessmann, Laurenz John, Jongpil Lee, Mehmet Ahad Yurtoglu, Vitor Carvalho De Almeida, Arnulf Leuther, Kim Woochan, Chulkyu Mun, Yonghak Suh

Design and implementation of novel D-band (sub-THz) dual-channel (MIMO hybrid) beamforming wireless front-ends operating between 150 and 170 GHz. The system utilizes analog beamforming networks with two 16×16 microstrip Rotman lenses and dual...


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