Measured MIMO Capacity Enhancement in Correlated LOS Indoor Channels VIA Optimized Antenna Setups. - Andreas Knopp; Mohamed Chouayakh; Robert T. Schwarz; Berthold Lankl (WINSYS, 2006)

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 (ISWCS, 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 (ISWCS, 2007)

Satellite System Design Examples for Maximum MIMO Spectral Efficiency in LOS Channels. - Andreas Knopp; Robert T. Schwarz; Dirk Ogermann; Christian A. Hofmann; Berthold Lankl (GLOBECOM, 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 (PIMRC, 2008)

Optimum-capacity MIMO satellite link for fixed and mobile services. - Robert T. Schwarz; Andreas Knopp; Dirk Ogermann; Christian A. Hofmann; Berthold Lankl (WSA, 2008)

On the Capacity Degradation in Broadband MIMO Satellite Downlinks with Atmospheric Impairments. - Andreas Knopp; Robert T. Schwarz; Berthold Lankl (ICC, 2010)

Performance of an SC-FDE SATCOM System in Block-Time-Invariant Orthogonal MIMO Channels. - Robert T. Schwarz; Andreas Knopp; Berthold Lankl (GLOBECOM, 2011)

MIMO system implementation with displaced ground antennas for broadband military SATCOM. - Andreas Knopp; Robert T. Schwarz; Berthold Lankl (MILCOM, 2011)

SC-FDE V-BLAST system concept for MIMO over satellite with antenna misalignment. - Robert T. Schwarz; Andreas Knopp; Berthold Lankl (SSD, 2012)

Secure MIMO SATCOM Transmission. - Andreas Knopp; Robert T. Schwarz; Berthold Lankl (MILCOM, 2013)

MIMO application for reduced adjacent satellite interference in SATCOM downlinks. - Robert T. Schwarz; Stephan P. Winter; Andreas Knopp (ICC, 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 (MILCOM, 2014)

Measurement and modeling of the UHF satellite channel for animal tracking systems. - Christian A. Hofmann; Robert T. Schwarz; Andreas Knopp (ICC, 2015)

Performance analysis of diversity techniques for secure SATCOM-on-the-move systems. - Christian A. Hofmann; Robert T. Schwarz; Andreas Knopp (MILCOM, 2015)

Spatial MIMO over satellite: A proof of concept. - Christian A. Hofmann; Kai-Uwe Storek; Robert T. Schwarz; Andreas Knopp (ICC, 2016)

Results of a MIMO Testbed with Geosynchronous Ku-Band Satellites. - Robert T. Schwarz; Christian A. Hofmann; Andreas Knopp (WSA, 2016)

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 (MILCOM, 2017)

Concept and Evaluation of Mobile Cell Connectivity over a Satellite Backhaul for Future 5G Networks. - Florian Völk; Robert T. Schwarz; Mario Lorenz 002; Andreas Knopp; Markus H. Landmann (GlobalSIP, 2018)

Passive Channel Orthogonality Measurement Technique for MIMO SATCOM. - Balachander Ramamurthy; Robert T. Schwarz; William G. Cowley; Gerald Bolding; Andreas Knopp (MILCOM, 2018)

MIMO Feeder Links for High Throughput Satellites. - Thomas Delamotte; Robert T. Schwarz; Kai-Uwe Storek; Andreas Knopp (WSA, 2018)

MIMO Capacity of Co-Located Satellites in Longitude Separation. - Robert T. Schwarz; Andreas Knopp (ICC, 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 Applications for Multibeam Satellites. - Robert T. Schwarz; Thomas Delamotte; Kai-Uwe Storek; Andreas Knopp (IEEE Trans. Broadcast., 2019)

MIMO Satellite Communications for Fixed Satellite Services - Robert T. Schwarz (2019)

Linear Distortions in the Communication Satellite Payload: An Analytical Characterization. - Tony Colin; Thomas Delamotte; Robert T. Schwarz; Andreas Knopp (ASMS/SPSC, 2020)

Multi-Satellite Multi-User MIMO Precoding: Testbed and Field Trial. - Kai-Uwe Storek; Robert T. Schwarz; Andreas Knopp (ICC, 2020)

MIMO Throughput Performance Analysis in LEO Communication Scenario. - Hlib Cheporniuk; Robert T. Schwarz; Thomas Delamotte; Andreas Knopp (VTC Fall, 2021)

Multi-User MIMO Satellite Communications for Aviation Networks. - Florian Völk; Robert T. Schwarz; Andreas Knopp (VTC Spring, 2021)

Multi-Antenna-Enabled 6G Satellite Systems: Roadmap, Challenges and Opportunities. - Thomas Delamotte; Matthias G. Schraml; Robert T. Schwarz; Kai-Uwe Storek; Andreas Knopp (WSA, 2021)

Field Trial on 5G New Radio Over Satellite. - Florian Völk; Robert T. Schwarz; Andreas Knopp (Frontiers Commun. Networks, 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 002; Andreas Knopp (Int. J. Satell. Commun. Netw., 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)

OpenAirInterface as a platform for 5G-NTN Research and Experimentation. - Sumit Kumar 001; Ashish Kumar Meshram; Abdelrahman Astro; Jorge Querol; Thomas Schlichter; Guido Casati; Thomas Heyn; Florian Völk; Robert T. Schwarz; Andreas Knopp; Paulo Marques 002; Luis Pereira; et al. (FNWF, 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 (GLOBECOM (Workshops), 2022)

In-Lab Performance Analysis of a 5G Non-Terrestrial Network using OpenAirInterface. - Florian Völk; Robert T. Schwarz; Andreas Knopp (WiSEE, 2023)

iPhone Satellite Waveform: An Experimental Performance Evaluation. - Hung Le Son; Robert T. Schwarz; Matthias G. Schraml; Andreas Knopp (PIMRC, 2024)

5G Non-Terrestrial Networks With OpenAirInterface: An Experimental Study Over GEO Satellites. - Florian Völk; Thomas Schlichter; Sumit Kumar 001; Robert T. Schwarz; Andreas Knopp; Marwan Hammouda; Thomas Heyn; Jorge Querol; Symeon Chatzinotas; Adam Kapovits (IEEE Access, 2024)

Error Source Analysis for Doppler Shift Based Opportunistic LEO-PNT With Starlink Signals. - Winfried Stock; Robert T. Schwarz; Andreas Knopp (PLANS, 2025)

Update on the German and Australasian Optical Ground Station Networks. - Nicholas Rattenbury; Joseph Ashby; Francis Bennet; Marcus Birch; John E. Cater; Kate Ferguson; Dirk Giggenbach; Kenneth J. Grant; Andreas Knopp; Marcus T. Knopp; Ed Kruzins; Andrew J. Lambert; et al. (Int. J. Satell. Commun. Netw., 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, 2025)