Ronald Freund

ORCID

Publication Activity (10 Years)

Years Active: 2000-2024
Publications (10 Years): 61

Top Venues

Technische Universität Ilmenau, Germany (PHD)

Education History

Technische Universität Ilmenau, Germany

PHD

Publications

Milan Deumer, Oliver Stiewe, Simon Nellen, Sebastian Lauck, Steffen Breuer, Robert B. Kohlhaas, Colja Schubert, Robert Elschner, Ronald Freund, Martin Schell
Optoelectronic Heterodyne THz Receiver for 100-300 GHz Communication Links. IEEE Access 12 (2024)
Abraham Johst, Markus Nölle, Lutz Molle, Nicolas Perlot, Michael Rohde, Ronald Freund
Experimental demonstration of robust spatial-diversity combining for coherent free-space optical transmission. OFC (2024)
Mihail Balanici, Pooyan Safari, Behnam Shariati, Aydin Jafari, Johannes Karl Fischer, Ronald Freund
Live Demonstration of Autonomous Link-Capacity Adjustment in Optical Metro-Aggregation Networks. OFC (2024)
Sarah Cwalina, Christoph Kottke, Norman Laske, Volker Jungnickel, Ronald Freund
Coherent LiDAR Prototype Based on 2D MEMS Mirror Scanning. OFC (2023)
Michael Theurer, Christoph Kottke, Ronald Freund, Felix Ganzer, Patrick Runge, Martin Moehrle, Ute Troppenz, Ariane Sigmund, Martin Schell
4 x 200 Gb/s EML-Array with a Single MQW Layer Stack. OFC (2023)
Behnam Shariati, Haydar Qarawlus, Steffen Biehs, Jose-Juan Pedreno-Manresa, Pooyan Safari, Mihail Balanici, Ayoub Bouchedoub, Hendrik Haße, Achim Autenrieth, Johannes K. Fischer, Ronald Freund
Telemetry Framework with Data Sovereignty Features. OFC (2023)
Mihail Balanici, Behnam Shariati, Pooyan Safari, Paul Chojecki, Moritz Chemnitz, David Przewozny, Johannes Karl Fischer, Ronald Freund
F5G OpenLab: Enabling Twin Transition through Ubiquitous Fiber Connectivity. ICTON (2023)
Guillermo von Hünefeld, Gregor Ronniger, Enes Seker, Rijil Thomas, Pooyan Safari, Isaac Sackey, Md Mahasin Khan, Stephan Suckow, Max Lemme, David Stahl, Colja Schubert, Johannes Karl Fischer, Ronald Freund
Experimental Demonstration of Optical Modulation Format Identification Using SOI-based Photonic Reservoir. OFC (2023)
Tasnad Kernetzky, Norbert Hanik, Yizhao Jia, Ulrike Höfler, Ronald Freund, Colja Schubert, Isaac Sackey, Gregor Ronniger, Lars Zimmermann
Optimization of Ultra-Broadband Optical Wavelength Conversion in Nonlinear Multi-Modal Silicon-On-Insulator Waveguides. ICTON (2023)
Pooyan Safari, Behnam Shariati, David Przewozny, Paul Chojecki, Johannes Karl Fischer, Ronald Freund, Axel Vick, Moritz Chemnitz
Edge Cloud based Visual Inspection for Automatic Quality Assurance in Production. CSNDSP (2022)
Norbert Hanik, Tasnad Kernetzky, Yizhao Jia, Ulrike Höfler, Ronald Freund, Colja Schubert, Isaac Sackey, Gregor Ronniger, Lars Zimmermann
Ultra-Broadband Optical Wavelength-Conversion using Nonlinear Multi-Modal Optical Waveguides. CSNDSP (2022)
Luca Pesando, Johannes K. Fischer, Behnam Shariati, Ronald Freund, Jose Cananao, Hongyu Li, Yi Lin, Olivier Ferveur, Ming Jiang, Jialiang Jin, David Hillerkuss, Marcus Brunner, Jun Zhou, Juan del Junco, Hakim Mkinsi, Xiang Liu
Standardization of the 5th Generation Fixed Network for Enabling End-to-End Network Slicing and Quality-Assured Services. IEEE Commun. Stand. Mag. 6 (4) (2022)
Behnam Shariati, Geronimo Bergk, Pooyan Safari, Mihail Balanici, Johannes K. Fischer, Ronald Freund
Traffic Monitoring and Analytics Framework for Optical Access Networks. CSNDSP (2022)
Kai Lennert Bober, Eric G. Ackermann, Ronald Freund, Volker Jungnickel, Tuncer Baykas, Sang-Kyu Lim
The IEEE 802.15.13 Standard for Optical Wireless Communications in Industry 4.0. IECON (2022)
Nikolay Ledentsov Jr., Christoph Kottke, Lukasz Chorchos, Vitaly A. Shchukin, O. Yu. Makarov, M. Bou Sanayeh, V. P. Kalosha, Volker Jungnickel, Ronald Freund, Jaroslaw P. Turkiewicz, Nikolay N. Ledentsov
Up to 600 Gbit/s data transmission over 100 m of single multi-mode fiber using 4×λ 850-940 nm VCSELs. OFC (2022)
Sreelal Maravanchery Mana, Kerolos Gabra Kamel Gabra, Sepideh Mohammadi Kouhini, Malte Hinrichs, Dominic Schulz, Peter Hellwig, Anagnostis Paraskevopoulos, Ronald Freund, Volker Jungnickel
LIDAR-Assisted Channel Modelling for LiFi in Realistic Indoor Scenarios. IEEE Access 10 (2022)
Sepideh Mohammadi Kouhini, Julian Hohmann, Sreelal Mavanchery Mana, Peter Hellwig, Dominic Schulz, Anagnostis Paraskevopoulos, Ronald Freund, Volker Jungnickel
All-Optical Distributed MIMO for LiFi: Spatial Diversity Versus Spatial Multiplexing. IEEE Access 10 (2022)
Jonathan Schostak, Malte Hinrichs, Kai Lennert Bober, Ronald Freund, Volker Jungnickel
Simultaneous Channel Estimation for Pulsed-Modulation Optical Wireless Communications. ICC (2022)
Sreelal Maravanchery Mana, Kerolos Gabra Kamel Gabra, Sepideh Mohammadi Kouhini, Malte Hinrichs, Dominic Schulz, Ronald Freund, Volker Jungnickel
LIDAR-Assisted Channel Modelling for LiFi. OFC (2022)
Matheus Sena, Robert Emmerich, Behnam Shariati, Johannes K. Fischer, Ronald Freund
Link Tomography for Amplifier Gain Profile Estimation and Failure Detection in C+L-band Open Line Systems. OFC (2022)
Ziyan Ma, Sepideh Mohammadi Kouhini, Christoph Kottke, Ronald Freund, Volker Jungnickel, Marcel Müller, Daniel Behnke
LiFi Positioning and Optimization in an Indoor Factory Environment. IECON (2022)
Behnam Shariati, L. Velasco, Jose-Juan Pedreno-Manresa, Annika Dochhan, Ramon Casellas, Abubakar Siddique Muqaddas, Óscar González de Dios, Lourdes Luque Canto, Bodo Lent, Jorge E. López de Vergara, Sergio López-Buedo, F. Moreno, P. Pavón, M. Ruiz, Sai Kireet Patri, Alessio Giorgetti, Filippo Cugini, Andrea Sgambelluri, Reza Nejabati, Dimitra Simeonidou, R.-P. Braun, Achim Autenrieth, Jörg-Peter Elbers, Johannes K. Fischer, Ronald Freund
Demonstration of latency-aware 5G network slicing on optical metro networks. CoRR (2022)
Sepideh Mohammadi Kouhini, Ziyan Ma, Christoph Kottke, Sreelal Maravanchery Mana, Ronald Freund, Volker Jungnickel
Object Tracking in an Indoor Scenario: Potential for Centimeter Accuracy with LiFi. CSNDSP (2022)
Sepideh Mohammadi Kouhini, Peter Hellwig, Dominic Schulz, Ronald Freund, Volker Jungnickel
Benefits of MIMO Mode Switching, Angular Diversity and Multiuser Multiplexing for LiFi. OFC (2021)
Malte Hinrichs, Pablo Wilke Berenguer, Jonas Hilt, Peter Hellwig, Dominic Schulz, Anagnostis Paraskevopoulos, Kai Lennert Bober, Ronald Freund, Volker Jungnickel
A Physical Layer for Low Power Optical Wireless Communications. IEEE Trans. Green Commun. Netw. 5 (1) (2021)
Robert Emmerich, Matheus Sena, Robert Elschner, Carsten Schmidt-Langhorst, Isaac Sackey, Colja Schubert, Ronald Freund
Enabling S-C-L-Band Systems with Standard C-Band Modulator and Coherent Receiver using Nonlinear Predistortion. OFC (2021)
Behnam Shariati, Luis Velasco, Jose-Juan Pedreno-Manresa, Annika Dochhan, Ramon Casellas, Abubakar Siddique Muqaddas, Óscar González de Dios, Lourdes Luque Canto, Bodo Lent, Jorge E. López de Vergara, Sergio López-Buedo, Francisco Javier Moreno, Pablo Pavón, Marc Ruiz, Sai Kireet Patri, Alessio Giorgetti, Filippo Cugini, Andrea Sgambelluri, Reza Nejabati, Dimitra Simeonidou, Ralf-Peter Braun, Achim Autenrieth, Jörg-Peter Elbers, Johannes K. Fischer, Ronald Freund
Demonstration of latency-aware 5G network slicing on optical metro networks. JOCN 14 (1) (2021)
Tobias Tannert, Markus Grözing, Manfred Berroth, Christian Schmidt, Jung Han Choi, Christoph Caspar, Jonathan Schostak, Volker Jungnickel, Ronald Freund, Holger Rücker
Analog 2: 1 Multiplexer with over 110 GHz Bandwidth in SiGe BiCMOS Technology. BCICTS (2021)
Matheus Sena, Robert Emmerich, Behnam Shariati, Johannes K. Fischer, Ronald Freund
Evaluation of an Autonomous Digital Pre-distortion Scheme for Optical Multiband Systems. OFC (2021)
Dominic Schulz, Julian Hohmann, Peter Hellwig, Christoph Kottke, Ronald Freund, Volker Jungnickel, Ralf-Peter Braun, Frank Geilhardt
All-Indoor Optical Customer Premises Equipment for Fixed Wireless Access. CoRR (2021)
Sepideh Mohammadi Kouhini, Ziyan Ma, Christoph Kottke, Sreelal Maravanchery Mana, Ronald Freund, Volker Jungnickel
LiFi based Positioning for Indoor Scenarios. ISWCS (2021)
Behnam Shariati, Jose-Juan Pedreno-Manresa, Annika Dochhan, Abubakar Siddique Muqaddas, Ramon Casellas, Óscar González de Dios, Lourdes Luque Canto, Bodo Lent, Jorge E. López de Vergara, Sergio López-Buedo, Francisco Javier Moreno, Pablo Pavón, Luis Velasco, Sai Kireet Patri, Alessio Giorgetti, Filippo Cugini, Andrea Sgambelluri, Reza Nejabati, Dimitra Simeonidou, Ralf-Peter Braun, Achim Autenrieth, Jörg-Peter Elbers, Johannes Karl Fischer, Ronald Freund
A Latency-Aware Real-Time Video Surveillance Demo: Network Slicing for Improving Public Safety. CoRR (2021)
Dominic Schulz, Julian Hohmann, Peter Hellwig, Christoph Kottke, Ronald Freund, Volker Jungnickel, Ralf-Peter Braun, Frank Geilhardt
All-Indoor Optical Customer Premises Equipment for Fixed Wireless Access. OFC (2021)
Behnam Shariati, Jose-Juan Pedreno-Manresa, Annika Dochhan, Abubakar Siddique Muqaddas, Ramon Casellas, Óscar González de Dios, Lourdes Luque Canto, Bodo Lent, Jorge E. López de Vergara, Sergio López-Buedo, Francisco Javier Moreno, Pablo Pavón, Luis Velasco, Sai Kireet Patri, Alessio Giorgetti, Filippo Cugini, Andrea Sgambelluri, Reza Nejabati, Dimitra Simeonidou, Ralf-Peter Braun, Achim Autenrieth, Jörg-Peter Elbers, Johannes Karl Fischer, Ronald Freund
A Latency-Aware Real-Time Video Surveillance Demo: Network Slicing for Improving Public Safety. OFC (2021)
Gregor Ronniger, Isaac Sackey, Tasnad Kernetzky, Ulrike Höfler, Christian Mai, Colja Schubert, Norbert Hanik, Lars Zimmermann, Ronald Freund, Klaus Petermann
Efficient Ultra-Broadband C-to-O Band Converter Based on Multi-Mode Silicon-on-Insulator Waveguides. ECOC (2021)
Sarah Cwalina, Christoph Kottke, Volker Jungnickel, Ronald Freund, Patrick Runge, Pascal Rustige, Thomas Knieling, Shanshan Gu-Stoppel, Jörg Albers, Norman Laske, Frank Senger, Lianzhi Wen, Fabio Giovanneschi, Erdem Altuntac, Avinash Nittur Ramesh, María A. González-Huici, Andries Küter, Sangeeta Reddy
Fiber-based Frequency Modulated LiDAR With MEMS Scanning Capability for Long-range Sensing in Automotive Applications. MetroAutomotive (2021)
Malte Hinrichs, Benjamin Poddig, Markus Nölle, Peter Hellwig, Ronald Freund, Volker Jungnickel
Efficient Line Coding for Low-Power Optical Wireless Communications. VTC Fall (2021)
Isaac Sackey, Robert Elschner, Robert Emmerich, Carsten Schmidt-Langhorst, D. D. Groß, Georg Rademacher, Yoshinari Awaji, Hideaki Furukawa, Takemi Hasegawa, Colja Schubert, Ronald Freund
Performance Evaluation of an Interband All-Optical Wavelength Converter for Cost-Effective High-Capacity Optical Networks. ECOC (2021)
Matheus Sena, Yaonian Cui, Gerrit Fiol, Behnam Shariati, Antonio Napoli, Johannes K. Fischer, Martin Schell, Ronald Freund
Performance Evaluation of InP-Based DP-IQ Modulators for Multiband Transmission Systems. ICTON (2020)
Sepideh Mohammadi Kouhini, Sreelal Maravanchery Mana, Ronald Freund, Volker Jungnickel, Carina Ribeiro Barbio Corrêa, Eduward Tangdiongga, Thiago Cunha, Xiong Deng, Jean-Paul M. G. Linnartz
Distributed MIMO Experiment Using LiFi Over Plastic Optical Fiber. GLOBECOM (Workshops) (2020)
Sepideh Mohammadi Kouhini, Sreelal Maravanchery Mana, Peter Hellwig, Jonas Hilt, Dominic Schulz, Anagnostis Paraskevopoulos, Ronald Freund, Volker Jungnickel
Performance of Bidirectional LiFi over Plastic Optical Fiber (POF). CSNDSP (2020)
Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert, Ronald Freund
100 Gb/s Real-Time Transmission over a THz Wireless Fiber Extender using a Digital-Coherent Optical Modem. OFC (2020)
Behnam Shariati, Pooyan Safari, A. Mitrovska, Nazila Hashemi, Johannes Karl Fischer, Ronald Freund
Demonstration of Federated Learning over Edge-Computing Enabled Metro Optical Networks. ECOC (2020)
Carlos Castro, Robert Elschner, Thomas Merkle, Colja Schubert, Ronald Freund
Experimental Demonstrations of High-Capacity THz-Wireless Transmission Systems for Beyond 5G. IEEE Commun. Mag. 58 (11) (2020)
M. Sezer Erkilinç, Robert Emmerich, Kai Habel, Volker Jungnickel, Carsten Schmidt-Langhorst, Colja Schubert, Ronald Freund
PON transceiver technologies for ≥50 Gbits/s per λ: Alamouti coding and heterodyne detection [Invited]. JOCN 12 (2) (2020)
Malte Hinrichs, Christian Schmidt, Benjamin Poddig, Jonas Hilt, Peter Hellwig, Dominic Schulz, Kai Lennert Bober, Jonathan Schostak, Ronald Freund, Volker Jungnickel
Demonstration of Optical Wireless Communications Using the Pulsed Modulation PHY in IEEE 802.15.13. ICTON (2020)
Matheus Sena, M. Sezer Erkilinç, Thomas Dippon, Behnam Shariati, Robert Emmerich, Johannes K. Fischer, Ronald Freund
An Autonomous Identification and Pre-distortion Scheme for Cognitive Transceivers using Bayesian Optimization. ECOC (2020)
Isaac Sackey, Carsten Schmidt-Langhorst, Colja Schubert, Johannes Karl Fischer, Ronald Freund
Experimental Comparison of Fiber Nonlinearity Mitigation: Intra-Modal FWM versus Inter-Modal FWM. OFC (2020)
Carlos Castro, Robert Elschner, José Machado, Thomas Merkle, Colja Schubert, Ronald Freund
Ethernet Transmission over a 100 Gb/s Real-Time Terahertz Wireless Link. GLOBECOM Workshops (2019)
Behnam Shariati, Kai Habel, Volker Jungnickel, Johannes K. Fischer, Ronald Freund
Photonics-Supported 5G Test Facilities for Low Latency Applications. ICTON (2019)
Dominic Schulz, Pablo Wilke Berenguer, Jonas Hilt, Peter Hellwig, Anagnostis Paraskevopoulos, Ronald Freund, Volker Jungnickel
Use Cases for Optical Wireless Communication. OFC (2018)
Christoph Kottke, Christian Schmidt, Ronald Freund, Volker Jungnickel
Bandwidth Extension Techniques for High-Speed Access Networks. OFC (2018)
Christian Schmidt, Patrick Zielonka, Volker Jungnickel, Ronald Freund, Tobias Tannert, Markus Grozing, Manfred Berroth, Friedel Gerfers
Behavioral Model for a High-Speed 2: 1 Analog Multiplexer. MWSCAS (2018)
Christian Schmidt, Christoph Kottke, Vicky H. Tanzil, Ronald Freund, Volker Jungnickel, Friedel Gerfers
Digital-to-Analog Converters Using Frequency Interleaving: Mathematical Framework and Experimental Verification. Circuits Syst. Signal Process. 37 (11) (2018)
Christian Schmidt, Christoph Kottke, Ronald Freund, Volker Jungnickel
Bandwidth Enhancement for an Optical Access Link by using a Frequency Interleaved DAC. OFC (2018)
Christoph Kottke, Christoph Caspar, Volker Jungnickel, Ronald Freund, Mikel Agustin, Nikolay N. Ledentsov
High speed 160 Gb/s DMT VCSEL transmission using pre-equalization. OFC (2017)
Dominic Schulz, Volker Jungnickel, Sushmita Das, Julian Hohmann, Jonas Hilt, Peter Hellwig, Anagnostis Paraskevopoulos, Ronald Freund
Long-term outdoor measurements using a rate-adaptive hybrid optical wireless/60 GHz link over 100 m. ICTON (2017)
Yuki Yoshida, K. Kitayama, Y. Kai, Masato Nishihara, Ryo Okabe, Toshiki Tanaka, Tomoo Takahara, Jens C. Rasmussen, Noboru Yoshikane, Xiaoyuan Cao, Takehiro Tsuritani, Itsuro Morita, Arturo Mayoral, Josep M. Fabrega, Ricard Vilalta, Ramon Casellas, Ricardo Martínez, Michela Svaluto Moreolo, Raul Muñoz, Kai Habel, Ronald Freund, Víctor López, Alejandro Aguado, Shuangyi Yan, Dimitra Simeonidou, Thomas Szyrkowiec, Achim Autenrieth, Masaki Shiraiwa, Yoshinari Awaji, Naoya Wada
First demonstration of cognitive SDN orchestration: A real-time congestion-aware services provisioning over OFDM-based 400G OPS and Flexi-WDM OCS networks. OFC (2016)
Volker Jungnickel, Michael C. Parker, Jordi Ferrer Riera, Carlos Bock, Victor Marques, David Levi, Dominic Schulz, Jonas Hilt, Kai Habel, Luz Fernandez del Rosal, Ronald Freund, Stuart D. Walker
Software-defined Open Access for flexible and service-oriented 5G deployment. ICC Workshops (2016)
Moussa Ayyash, Hany Elgala, Abdallah Khreishah, Volker Jungnickel, Thomas D. C. Little, Sihua Shao, Michael B. Rahaim, Dominic Schulz, Jonas Hilt, Ronald Freund
Coexistence of WiFi and LiFi toward 5G: concepts, opportunities, and challenges. IEEE Commun. Mag. 54 (2) (2016)
Christian Schmidt, Vicky H. Tanzil, Christoph Kottke, Ronald Freund, Volker Jungnickel
Digital signal splitting among multiple DACs for analog bandwidth interleaving (ABI). ICECS (2016)
Sihua Shao, Abdallah Khreishah, Moussa Ayyash, Michael B. Rahaim, Hany Elgala, Volker Jungnickel, Dominic Schulz, Thomas D. C. Little, Jonas Hilt, Ronald Freund
Design and Analysis of a Visible-Light-Communication Enhanced WiFi System. JOCN 7 (10) (2015)
Kai Habel, Luz Fernandez del Rosal, Stefan Weide, Jonas Hilt, Volker Jungnickel, Robert Elschner, Colja Schubert, Felix Frey, Johannes Karl Fischer, Ronald Freund
5 Gbit/s real-time processing using π/4-shift DQPSK for bidirectional radio-over-fibre system. ICTON (2015)
Dominic Schulz, Michael Schlosser, Christos Alexakis, Kai Habel, Jonas Hilt, Ronald Freund, Volker Jungnickel
Optical wireless LED link for the backhaul of small cells. OFC (2015)
Michela Svaluto Moreolo, Josep M. Fabrega, Laia Nadal, F. Javier Vilchez, Arturo Mayoral, Ricard Vilalta, Raul Muñoz, Ramon Casellas, Ricardo Martínez, Masato Nishihara, Toshiki Tanaka, Tomoo Takahara, Jens C. Rasmussen, Christoph Kottke, M. Schlosser, Ronald Freund, Fanchao Meng, Shuangyi Yan, Georgios Zervas, Dimitra Simeonidou, Yuki Yoshida, K. Kitayama
SDN-enabled sliceable BVT based on multicarrier technology for multi-flow rate/distance and grid adaptation. ECOC (2015)
Volker Jungnickel, Dominic Schulz, Jonas Hilt, Christos Alexakis, Michael Schlosser, Liane Grobe, Anagnostis Paraskevopoulos, Ronald Freund, B. Siessegger, Gerhard Kleinpeter
Optical wireless communication for backhaul and access. ECOC (2015)
Matthias Seimetz, Ronald Freund
Next generation optical networks based on higher-order modulation formats, coherent receivers and electronic distortion equalization. Elektrotech. Informationstechnik 125 (7-8) (2008)
Leo Nederlof, David Mirto, Sergey Ten, Matthias Gunkel, Dirk Breuer, Hans Reiner, Helmut Cremer, Ronald Freund, Christoph Caspar, Friedrich Raub
Cost optimization study using dispersion-managed fiber in a German backbone network. DRCN (2005)
Christoph Caspar, Ronald Freund, Norbert Hanik, Lutz Molle, Christophe Peucheret
Using Normalised Sections for the Design of All Optical Networks. ONDM (2000)

Ronald Freund.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Ronald Freund