Robert T. Schwarz

According to our database, Robert T. Schwarz authored at least 38 papers between 2006 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Survey on Opportunistic PNT With Signals From LEO Communication Satellites.

Winfried Stock, Robert T. Schwarz, Christian A. Hofmann, Andreas Knopp

IEEE Commun. Surv. Tutorials, February, 2025

2024

5G Non-Terrestrial Networks With OpenAirInterface: An Experimental Study Over GEO Satellites.

Florian Völk, Thomas Schlichter, Sumit Kumar, Robert T. Schwarz, Andreas Knopp, Marwan Hammouda, Thomas Heyn, Jorge Querol, Symeon Chatzinotas, Adam Kapovits

IEEE Access, 2024

iPhone Satellite Waveform: An Experimental Performance Evaluation.

Hung Le Son, Robert T. Schwarz, Matthias G. Schraml, Andreas Knopp

Proceedings of the 35th IEEE International Symposium on Personal, 2024

2023

In-Lab Performance Analysis of a 5G Non-Terrestrial Network using OpenAirInterface.

Florian Völk, Robert T. Schwarz, Andreas Knopp

Proceedings of the IEEE International Conference on Wireless for Space and Extreme Environments, 2023

2022

Towards a space based infrastructure for 5G and beyond 5G networks.

Anastasius Gavras, Helmut W. Zaglauer, Jörg Pfeifle, Maria Guta, Thomas Heyn, Alexander Hofmann, Leo Frank, Florian Völk, Robert T. Schwarz, Adam Kapovits, Ananya Chowdhury, Marius Iulian Corici

Proceedings of the IEEE Globecom 2022 Workshops, 2022

OpenAirInterface as a platform for 5G-NTN Research and Experimentation.

Sumit Kumar, Ashish Kumar Meshram, Abdelrahman Astro, Jorge Querol, Thomas Schlichter, Guido Casati, Thomas Heyn, Florian Völk, Robert T. Schwarz, Andreas Knopp, Paulo Marques, Luis Pereira, Roberto Magueta, Adam Kapovits, Florian Kaltenberger

Proceedings of the 2022 IEEE Future Networks World Forum, 2022

2021

Multiuser MIMO Concept for Physical Layer Security in Multibeam Satellite Systems.

Matthias G. Schraml, Robert T. Schwarz, Andreas Knopp

IEEE Trans. Inf. Forensics Secur., 2021

Emergency 5G Communication on-the-Move: Concept and field trial of a mobile satellite backhaul for public protection and disaster relief.

Florian Völk, Robert T. Schwarz, Mario Lorenz, Andreas Knopp

Int. J. Satell. Commun. Netw., 2021

Multi-Antenna-Enabled 6G Satellite Systems: Roadmap, Challenges and Opportunities.

Thomas Delamotte, Matthias G. Schraml, Robert T. Schwarz, Kai-Uwe Storek, Andreas Knopp

Proceedings of the 25th International ITG Workshop on Smart Antennas, 2021

Multi-User MIMO Satellite Communications for Aviation Networks.

Florian Völk, Robert T. Schwarz, Andreas Knopp

Proceedings of the 93rd IEEE Vehicular Technology Conference, 2021

MIMO Throughput Performance Analysis in LEO Communication Scenario.

Hlib Cheporniuk, Robert T. Schwarz, Thomas Delamotte, Andreas Knopp

Proceedings of the 94th IEEE Vehicular Technology Conference, 2021

2020

Multi-Satellite Multi-User MIMO Precoding: Testbed and Field Trial.

Kai-Uwe Storek, Robert T. Schwarz, Andreas Knopp

Proceedings of the 2020 IEEE International Conference on Communications, 2020

Linear Distortions in the Communication Satellite Payload: An Analytical Characterization.

Tony Colin, Thomas Delamotte, Robert T. Schwarz, Andreas Knopp

Proceedings of the 10th Advanced Satellite Multimedia Systems Conference and the 16th Signal Processing for Space Communications Workshop, 2020

2019

MIMO Satellite Communications for Fixed Satellite Services

Robert T. Schwarz

PhD thesis, 2019

MIMO Applications for Multibeam Satellites.

Robert T. Schwarz, Thomas Delamotte, Kai-Uwe Storek, Andreas Knopp

IEEE Trans. Broadcast., 2019

Satellite Integration into 5G: Accent on First Over-The-Air Tests of an Edge Node Concept with Integrated Satellite Backhaul.

Florian Völk, Konstantinos P. Liolis, Marius Corici, Joe Cahill, Robert T. Schwarz, Thomas Schlichter, Eric Troudt, Andreas Knopp

Future Internet, 2019

MIMO Capacity of Co-Located Satellites in Longitude Separation.

Robert T. Schwarz, Andreas Knopp

Proceedings of the 2019 IEEE International Conference on Communications, 2019

2018

MIMO Feeder Links for High Throughput Satellites.

Thomas Delamotte, Robert T. Schwarz, Kai-Uwe Storek, Andreas Knopp

Proceedings of the 22nd International ITG Workshop on Smart Antennas, 2018

Passive Channel Orthogonality Measurement Technique for MIMO SATCOM.

Balachander Ramamurthy, Robert T. Schwarz, William G. Cowley, Gerald Bolding, Andreas Knopp

Proceedings of the 2018 IEEE Military Communications Conference, 2018

Concept and Evaluation of Mobile Cell Connectivity over a Satellite Backhaul for Future 5G Networks.

Florian Völk, Robert T. Schwarz, Mario Lorenz, Andreas Knopp, Markus H. Landmann

Proceedings of the 2018 IEEE Global Conference on Signal and Information Processing, 2018

2017

The multiple-satellite MIMO channel of narrow band vehicular communications at UHF.

Robert T. Schwarz, Florian Völk, Andreas Knopp, Christian A. Hofmann, Kai-Uwe Storek

Proceedings of the 2017 IEEE Military Communications Conference, 2017

2016

Results of a MIMO Testbed with Geosynchronous Ku-Band Satellites.

Robert T. Schwarz, Christian A. Hofmann, Andreas Knopp

Proceedings of the WSA 2016, 2016

Spatial MIMO over satellite: A proof of concept.

Christian A. Hofmann, Kai-Uwe Storek, Robert T. Schwarz, Andreas Knopp

Proceedings of the 2016 IEEE International Conference on Communications, 2016

2015

Performance analysis of diversity techniques for secure SATCOM-on-the-move systems.

Christian A. Hofmann, Robert T. Schwarz, Andreas Knopp

Proceedings of the 34th IEEE Military Communications Conference, 2015

Measurement and modeling of the UHF satellite channel for animal tracking systems.

Christian A. Hofmann, Robert T. Schwarz, Andreas Knopp

Proceedings of the 2015 IEEE International Conference on Communications, 2015

2014

Measured Antenna Pointing Errors for Frequency Coordination of SATCOM On-the-Move Terminals.

Dirk Ogermann, Robert T. Schwarz, Andreas Knopp, Mostafa Alazab, Gregor Siegert, Wolfgang Felber

Proceedings of the 2014 IEEE Military Communications Conference, 2014

MIMO application for reduced adjacent satellite interference in SATCOM downlinks.

Robert T. Schwarz, Stephan P. Winter, Andreas Knopp

Proceedings of the IEEE International Conference on Communications, 2014

2013

Secure MIMO SATCOM Transmission.

Andreas Knopp, Robert T. Schwarz, Berthold Lankl

Proceedings of the 32th IEEE Military Communications Conference, 2013

2012

SC-FDE V-BLAST system concept for MIMO over satellite with antenna misalignment.

Robert T. Schwarz, Andreas Knopp, Berthold Lankl

Proceedings of the International Multi-Conference on Systems, Signals & Devices, 2012

2011

MIMO system implementation with displaced ground antennas for broadband military SATCOM.

Andreas Knopp, Robert T. Schwarz, Berthold Lankl

Proceedings of the MILCOM 2011, 2011

Performance of an SC-FDE SATCOM System in Block-Time-Invariant Orthogonal MIMO Channels.

Robert T. Schwarz, Andreas Knopp, Berthold Lankl

Proceedings of the Global Communications Conference, 2011

2010

On the Capacity Degradation in Broadband MIMO Satellite Downlinks with Atmospheric Impairments.

Andreas Knopp, Robert T. Schwarz, Berthold Lankl

Proceedings of IEEE International Conference on Communications, 2010

2008

Optimum-capacity MIMO satellite link for fixed and mobile services.

Robert T. Schwarz, Andreas Knopp, Dirk Ogermann, Christian A. Hofmann, Berthold Lankl

Proceedings of the 2008 International ITG Workshop on Smart Antennas, 2008

Deficiencies of common MIMO channel models with regard to indoor Line-of-Sight channels.

Christian A. Hofmann, Andreas Knopp, Dirk Ogermann, Robert T. Schwarz, Berthold Lankl

Proceedings of the IEEE 19th International Symposium on Personal, 2008

Satellite System Design Examples for Maximum MIMO Spectral Efficiency in LOS Channels.

Andreas Knopp, Robert T. Schwarz, Dirk Ogermann, Christian A. Hofmann, Berthold Lankl

Proceedings of the Global Communications Conference, 2008. GLOBECOM 2008, New Orleans, LA, USA, 30 November, 2008

2007

Measurements on the Impact of Sparse Multipath Components on the LOS MIMO Channel Capacity.

Andreas Knopp, Robert T. Schwarz, Christian A. Hofmann, Mohamed Chouayakh, Berthold Lankl

Proceedings of the 4th IEEE International Symposium on Wireless Communication Systems, 2007

Spatial Capacity Estimation for Correlated MIMO Channels Based on Measured SISO Data Records.

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, Mohamed Chouayakh, Berthold Lankl

Proceedings of the 4th IEEE International Symposium on Wireless Communication Systems, 2007

2006

Measured MIMO Capacity Enhancement in Correlated LOS Indoor Channels VIA Optimized Antenna Setups.

Andreas Knopp, Mohamed Chouayakh, Robert T. Schwarz, Berthold Lankl

Proceedings of the WINSYS 2006, 2006